Mahnoosh Seifoddini, M.D.
NPI 1003836909 · Internal Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mahnoosh Seifoddini, M.D. is a Internal Medicine Physician provider in Palo Alto, CA (NPI 1003836909).
Provider details
- NPI number
- 1003836909
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A78756 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 134 | 50 |
| Amlodipine Besylate | 89 | 37 |
| Lisinopril | 82 | 28 |
| Losartan Potassium | 79 | 23 |
| Pantoprazole Sodium | 72 | 28 |
| Fluticasone Propionate | 65 | 12 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2021-03-05
- Certified
- 2021-03-05
Frequently asked questions
- What is Mahnoosh Seifoddini's NPI number?
- Mahnoosh Seifoddini's National Provider Identifier (NPI) is 1003836909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahnoosh Seifoddini's specialty?
- Mahnoosh Seifoddini is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mahnoosh Seifoddini located?
- Mahnoosh Seifoddini's practice location on file with NPPES is 3801 Miranda Ave, Palo Alto, CA 94304.
- What is Mahnoosh Seifoddini's phone number?
- The practice phone number listed in the NPPES registry for Mahnoosh Seifoddini is (209) 946-3400.
- Does Mahnoosh Seifoddini accept Medicare?
- Mahnoosh Seifoddini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mahnoosh Seifoddini's NPI active?
- Yes — Mahnoosh Seifoddini's NPI (1003836909) is active in the NPPES registry as of the last update on 2021-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.