Sayema Saifullah, MD
NPI 1386650992 · Family Medicine Physician · Danville, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sayema Saifullah, MD is a Family Medicine Physician provider in Danville, CA (NPI 1386650992).
Provider details
- NPI number
- 1386650992
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A96737 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
188 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $151 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $109 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $215 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 23 | $156 |
Typical Medicare-allowed amounts for these services range $109–$215 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 56 | 19 |
| Amlodipine Besylate | 52 | 18 |
| Azithromycin | 30 | 29 |
| Fluticasone Propionate | 29 | 19 |
| Alendronate Sodium | 29 | — |
| Levothyroxine Sodium | 28 | — |
| Losartan Potassium | 28 | — |
Practice location
Mailing address
Additional practice locations (1)
- 2734 El Camino RealSanta Clara, CA 95051-3007Phone: (408) 241-3801
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2020-07-15
- Certified
- 2020-07-15
Frequently asked questions
- What is Sayema Saifullah's NPI number?
- Sayema Saifullah's National Provider Identifier (NPI) is 1386650992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sayema Saifullah's specialty?
- Sayema Saifullah is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sayema Saifullah located?
- Sayema Saifullah's practice location on file with NPPES is 915 San Ramon Valley Blvd Ste 100, Danville, CA 94526-4063.
- What is Sayema Saifullah's phone number?
- The practice phone number listed in the NPPES registry for Sayema Saifullah is (925) 875-3750.
- Does Sayema Saifullah accept Medicare?
- Sayema Saifullah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sayema Saifullah's NPI active?
- Yes — Sayema Saifullah's NPI (1386650992) is active in the NPPES registry as of the last update on 2020-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.