Mary Safrit, WHNP
NPI 1154552818 · Women's Health Nurse Practitioner · Greenbrae, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Safrit, WHNP is a Women's Health Nurse Practitioner provider in Greenbrae, CA (NPI 1154552818).
Provider details
- NPI number
- 1154552818
- Entity type
- Individual
- Primary specialty
- Women's Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- WHNP
- Sex
- Female
- Sole proprietor
- No
- License
- 3760 (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
46 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $63 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 12 | $77 |
Typical Medicare-allowed amounts for these services range $63–$77 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 135 | 59 |
| Progesterone, Micronizedbrand: Progesterone | 34 | 14 |
| Estradiolbrand: Estradiol (twice Weekly) | 30 | 14 |
| Valacyclovir Hclbrand: Valacyclovir | 20 | — |
| Estradiolbrand: Estring | 14 | — |
| Estradiolbrand: Dotti | 11 | — |
| Norethindrone Acetate | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-07-29
- Last updated
- 2014-12-15
Frequently asked questions
- What is Mary Safrit's NPI number?
- Mary Safrit's National Provider Identifier (NPI) is 1154552818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Safrit's specialty?
- Mary Safrit is listed in the NPPES registry with a primary specialty of Women's Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Safrit located?
- Mary Safrit's practice location on file with NPPES is 350 Bon Air Ctr, Greenbrae, CA 94904-3000.
- What is Mary Safrit's phone number?
- The practice phone number listed in the NPPES registry for Mary Safrit is (415) 578-3095.
- Does Mary Safrit accept Medicare?
- Mary Safrit is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Safrit's NPI active?
- Yes — Mary Safrit's NPI (1154552818) is active in the NPPES registry as of the last update on 2014-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.