Sejad Al-Tahan, DO
NPI 1871087874 · Internal Medicine Physician · Riverside, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sejad Al-Tahan, DO is a Internal Medicine Physician provider in Riverside, CA (NPI 1871087874).
Provider details
- NPI number
- 1871087874
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 207 | 75 |
| Semaglutidebrand: Ozempic | 110 | 22 |
| Metformin Hcl | 94 | 33 |
| Amlodipine Besylate | 91 | 34 |
| Omeprazole | 72 | 39 |
| Simvastatin | 72 | 25 |
| Alendronate Sodium | 57 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (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
Additional practice locations (1)
- 3033 W Orange AveAnaheim, CA 92804-3156Phone: (714) 827-3000
Registry dates
- Enumerated
- 2018-06-21
- Last updated
- 2021-08-05
- Certified
- 2021-08-05
Frequently asked questions
- What is Sejad Al-Tahan's NPI number?
- Sejad Al-Tahan's National Provider Identifier (NPI) is 1871087874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sejad Al-Tahan's specialty?
- Sejad Al-Tahan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sejad Al-Tahan located?
- Sejad Al-Tahan's practice location on file with NPPES is 3750 Arlington Ave, Riverside, CA 92506-2607.
- What is Sejad Al-Tahan's phone number?
- The practice phone number listed in the NPPES registry for Sejad Al-Tahan is (951) 774-3050.
- Does Sejad Al-Tahan accept Medicare?
- Sejad Al-Tahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sejad Al-Tahan's NPI active?
- Yes — Sejad Al-Tahan's NPI (1871087874) is active in the NPPES registry as of the last update on 2021-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.