Seyed Mohsen Mousavi Nasab, M.D.
NPI 1982866562 · Specialist · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Seyed Mohsen Mousavi Nasab, M.D. is a Specialist provider in Walnut Creek, CA (NPI 1982866562).
Provider details
- NPI number
- 1982866562
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A113873 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
12 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 12 | $92 |
Typical Medicare-allowed amounts for these services range $92–$92 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 132 | 71 |
| Furosemide | 70 | 43 |
| Pantoprazole Sodium | 69 | 36 |
| Levothyroxine Sodium | 60 | 23 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 59 | 48 |
| Famotidine | 59 | 34 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-25
- Last updated
- 2021-12-15
Frequently asked questions
- What is Seyed Mohsen Mousavi Nasab's NPI number?
- Seyed Mohsen Mousavi Nasab's National Provider Identifier (NPI) is 1982866562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seyed Mohsen Mousavi Nasab's specialty?
- Seyed Mohsen Mousavi Nasab is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Seyed Mohsen Mousavi Nasab located?
- Seyed Mohsen Mousavi Nasab's practice location on file with NPPES is 1425 S Main St, Walnut Creek, CA 94596-5318.
- What is Seyed Mohsen Mousavi Nasab's phone number?
- The practice phone number listed in the NPPES registry for Seyed Mohsen Mousavi Nasab is (925) 295-2724.
- Does Seyed Mohsen Mousavi Nasab accept Medicare?
- Seyed Mohsen Mousavi Nasab is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Seyed Mohsen Mousavi Nasab's NPI active?
- Yes — Seyed Mohsen Mousavi Nasab's NPI (1982866562) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.