Hamed Nayeb-Hashemi
NPI 1285874990 · Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hamed Nayeb-Hashemi is a Gastroenterology Physician provider in Los Angeles, CA (NPI 1285874990).
Provider details
- NPI number
- 1285874990
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A106620 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
2,075 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 553 | $137 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 469 | $17 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 204 | $245 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 182 | $91 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 178 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 532 | 206 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 256 | 245 |
| Omeprazole | 190 | 72 |
| Famotidine | 153 | 63 |
| Linaclotidebrand: Linzess | 93 | 40 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 65 | 20 |
| Mesalamine | 59 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$160 across 3 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
- 2009-02-20
- Last updated
- 2017-10-26
Frequently asked questions
- What is Hamed Nayeb-Hashemi's NPI number?
- Hamed Nayeb-Hashemi's National Provider Identifier (NPI) is 1285874990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hamed Nayeb-Hashemi's specialty?
- Hamed Nayeb-Hashemi is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Hamed Nayeb-Hashemi located?
- Hamed Nayeb-Hashemi's practice location on file with NPPES is 200 Med Plaza #365, 420, 120, Los Angeles, CA 90095-6082.
- What is Hamed Nayeb-Hashemi's phone number?
- The practice phone number listed in the NPPES registry for Hamed Nayeb-Hashemi is (805) 418-3500.
- Does Hamed Nayeb-Hashemi accept Medicare?
- Hamed Nayeb-Hashemi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hamed Nayeb-Hashemi's NPI active?
- Yes — Hamed Nayeb-Hashemi's NPI (1285874990) is active in the NPPES registry as of the last update on 2017-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.