Maher Tama, M.D.
NPI 1326393737 · Gastroenterology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maher Tama, M.D. is a Gastroenterology Physician provider in Walnut Creek, CA (NPI 1326393737).
Provider details
- NPI number
- 1326393737
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A161762 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
487 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 101 | $131 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 62 | $241 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 56 | $98 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 55 | $6 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 30 | $79 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 113 | 31 |
| Omeprazole | 105 | 49 |
| Ondansetronbrand: Ondansetron Odt | 33 | 26 |
| Famotidine | 32 | 13 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 23 | 23 |
| Sucralfate | 14 | — |
| Adalimumabbrand: Humira Pen | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$35 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-23
- Last updated
- 2026-01-20
- Certified
- 2026-01-20
Frequently asked questions
- What is Maher Tama's NPI number?
- Maher Tama's National Provider Identifier (NPI) is 1326393737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maher Tama's specialty?
- Maher Tama is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Maher Tama located?
- Maher Tama's practice location on file with NPPES is 1479 Ygnacio Valley Rd Ste 150, Walnut Creek, CA 94598-2954.
- What is Maher Tama's phone number?
- The practice phone number listed in the NPPES registry for Maher Tama is (925) 296-7340.
- Does Maher Tama accept Medicare?
- Maher Tama is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maher Tama's NPI active?
- Yes — Maher Tama's NPI (1326393737) is active in the NPPES registry as of the last update on 2026-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.