Dr. Marvin O. Delgado Guay
- Gender: Male
- Experience: 22 years
- Graduation year: 1999
- Sole propriator: No
- NPI: 1306008552
Dr. Marvin O. Delgado Guay MD
Geriatrician
He is located at 1515 Holcombe Boulevard in Houston, TX 77030. Can help patients with the following: Alzheimer's Disease, Arthritis, Cancer, Esophageal Cancer, Gastroesophageal Reflux Disease (GERD), Hot Flashes. His National Provider Identifier (NPI) number is 1306008552. Appointment can be made via the phone number (713) 792-6161.
Conditions treated
Dr. Marvin Omar Delgado-Guay, being an geriatrician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Marvin O. Delgado Guay.
- Abdominal Pain
- Achalasia
- Acute Pain
- Aging In Place
- Alzheimer's Disease
- Anal Fissure
- Anemia
- Appendicitis
- Arthritis
- Asthma
- Atherosclerosis
- Balance Issues
- Bladder Control
- Boils
- Bone Loss
- Cancer
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cognitive Decline
- Colon Cancer
- Common Cold
- Constipation
- Crohn's Disease
- Cyst
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Enlarged Spleen
- Esophageal Cancer
- Fatigue
- Fecal Incontinence
- Fever
- Gallstones
- Gangrene
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hemorrhoids
- Hernia
- Hiatal Hernia
- High Blood Pressure
- Hip Bursitis
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Low Back Pain
- Lymphedema
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Prescription Refill
- Progressive Neurological Disorders
- Sebaceous Cyst
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Marvin O. Delgado Guay as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Texas
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 19 plans from Blue Cross and Blue Shield of Texas
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Advantage Bronze HMO℠ 204 (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Bronze HMO℠ 301 (14 plan variants) | HMO · Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Bronze HMO℠ Standard (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ 206 (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ 603 (14 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ Standard (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ 303 (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ 305 (27 plan variants) | POS · Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ Standard (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ 203 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ 803 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ Standard (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ 202 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ 605 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ Standard (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Security HMO℠ 200 (27 plan variants) | HMO · Catastrophic | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ 205 (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ 801 (14 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ Standard (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
Harbor Health
Network data as of Sep 14, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Harbor Health G0 $0 Deductible $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health G1S $30 PCP $30 Mental Health Office Visit $30 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health S1 $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Silver | Preferred | Accepting new patients |
| Harbor Health S1S $40 PCP $40 Mental Health Office Visit $40 Express Care | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Marvin O. Delgado Guay is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Marvin O. Delgado Guay is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Hospice/palliative Care, Practitioner - Geriatric Medicine, Practitioner - Other (physician)) .
Bills through: Physicians Referral Service
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
Graduated in 1999Additional Specialities
- Internist
- Resident
- Surgeon
Looking for more Geriatricians?
Out of the 47 geriatricians in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 2002 Holcombe Boulevard Houston, 77030, TX
- Gender: Male
- Address: 6620 Main Street Houston, 77030, TX
- Gender: Female
- Address: 6431 Fannin Street Houston, 77030, TX
- Gender: Male
- Address: 1515 Holcombe Boulevard Houston, 77030, TX
- Gender: Female
- Address: 2002 Holcombe Boulevard Houston, 77030, TX
- Gender: Female
- Address: 1502 Taub Loop Houston, 77030, TX
- Gender: Female
- Address: 6411 Fannin Street Houston, 77030, TX
- Gender: Female
- Address: 6720 Bertner Avenue Houston, 77030, TX
- Gender: Male
- Address: 11905 Linden Walk Lane Pearland, 77584, TX
- Gender: Male
- Address: Suite 250 6410 Fannin Street Houston, 77030, TX
Questions & Answers
Does Dr. Marvin Omar Delgado-Guay accept insurance?
Dr. Marvin Omar Delgado-Guay is listed in-network for 23 ACA Marketplace (Obamacare/HealthCare.gov) plans from Blue Cross and Blue Shield of Texas, Harbor Health. See the Marketplace plans section for details.
Where can you meet with Dr. Marvin Omar Delgado-Guay?
Dr. Marvin Omar Delgado-Guay's office is located at 1515 Holcombe Boulevard in Houston, TX 77030.
What conditions does Dr. Marvin Omar Delgado-Guay treat?
Dr. Marvin Omar Delgado-Guay provides treatment for Alzheimer's Disease, Arthritis, Cancer, Esophageal Cancer, Gastroesophageal Reflux Disease (GERD), Hot Flashes. For the full list see this list.