2026 NPPES data Women's Health Nurse Practitioner NPI 1154552818 WHNP
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MARY SAFRIT, WHNP

Women's Health Nurse Practitioner in GREENBRAE, California. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
310
Medicare Part D claims · 140 beneficiaries · Women's Health Nurse Practitioner avg: 262
Generic prescribing
74%
generic claims · 26% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
74.4657/100
▼ 9 pts below national avg 83.1 · [object Object]

What the federal data shows

MARY SAFRIT, WHNP reported a CMS MIPS final score of 74.4657/100 — below the 83.1 national average — and filed 310 Medicare Part D claims in 2023.

74.4657/100
MIPS score · -9 vs avg
310
Part D claims, 2023
74%
generic prescribing

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

MARY SAFRIT, WHNP's MIPS score vs every scored U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023 — the federal quality measure

74 12th percentile higher than 12% of 477,587 scored providers

0–10: 8,684 scored providers (2%). Below this entry. 10–20: 3,008 scored providers (1%). Below this entry. 20–30: 3,069 scored providers (1%). Below this entry. 30–40: 2,746 scored providers (1%). Below this entry. 40–50: 2,928 scored providers (1%). Below this entry. 50–60: 5,882 scored providers (1%). Below this entry. 60–70: 13,906 scored providers (3%). Below this entry. 70–80: 118,074 scored providers (25%). This entry sits in this band. 80–90: 129,887 scored providers (27%). Above this entry. 90–100: 189,403 scored providers (40%). Above this entry. This provider 0 100 every MIPS-scored clinician, bucketed by value

Each bar is a band; taller bars hold more scored providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Merit-based Incentive Payment System (MIPS) · 2023

What does the federal data show about MARY SAFRIT, WHNP?

Below national average

NPI registry status

Active

Issued 07/29/2009

NPI 1154552818

Primary specialty

Women's Health Nurse Practitioner

Mid-sized

9,452 US NPIs in this specialty

Medicare Part D claims

310 18% vs specialty avg

2023 prescription claims

Specialty avg: 262

MIPS final score

74.4657/100 8.634299999999996% pts

Mid-tier band

vs 83.1 national avg

Specialty distribution in California

How Women's Health Nurse Practitioner compares to other specialties among California providers

California providers

Women's Health Nurse Practitioner share within California

1. Women's Health Nurse Practitioner42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Women's Health Nurse Practitioner share within California

Medicare quality performance — MIPS

MARY SAFRIT, WHNP's 2023 MIPS final score plotted against the Women's Health Nurse Practitioner national average

Below national average
MIPS Final Score
74.4657/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Women's Health Nurse Practitioner) — 74.4657/100 vs national avg 83.1

0%100%National avg83%74.5%
MIPS final score (Women's Health Nurse Practitioner) — 74.4657/100 vs national avg 83.1

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

MARY SAFRIT, WHNP appears in the CMS NPPES registry as a Women's Health Nurse Practitioner provider holding WHNP credentials at 350 BON AIR CTR, GREENBRAE, CA, 94904, with a listed phone of (415) 578-3095. NPI 1154552818 was issued on 07/29/2009. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what SAFRIT most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 310 prescription claims written by this provider, covering 140 Medicare beneficiaries and totaling roughly $61K in drug spend, split 26% brand-name and 74% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 74.4657/100 for the 2023 performance year, compared with the national average of 83.1.

Women's Health Nurse Practitioner is a mid-sized specialty nationwide, with 9,452 enrolled providers across 55 states and an average of 262 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

350 BON AIR CTR
GREENBRAE, CA 94904

Provider Details

NPI 1154552818
Specialty Women's Health Nurse Practitioner
Credentials WHNP
Gender Female
NPI Issued 07/29/2009

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

74.4657
Final Score
Avg: 83.1
46.6814
Cost
76
Promoting Interoperability

Reporting: Group practice

Hospital and facility affiliations

Facilities where MARY SAFRIT, WHNP bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

UNIVERSITY OF CALIFORNIA SAN FRANCISCO
SAN FRANCISCO, CA

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

License & disciplinary context — California MBC 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~150K California medical licensees in 2023 — they are NOT specific to MARY SAFRIT, WHNP. To verify MARY SAFRIT, WHNP's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases

MBC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Above average

MARY SAFRIT, WHNP — brand share 26.0%
Specialty average (est.)

26% brand-name claims vs 74% generic, on 310 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

310
Total Claims
$61K
Total Drug Cost
140
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
717
Total Day Supply
20,799
Brand vs Generic
26% brand / 74% generic
Brand Drug Cost
$41K
Generic Drug Cost
$21K

Patient Demographics

Average Patient Age
69.8 years
Avg HCC Risk Score
1.00
Gender Split
100% female / 0% male

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What MARY SAFRIT, WHNP prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Estradiol
81
Estradiol (Twice Weekly)
Estradiol
29
Estring
Estradiol
18
Estradiol (Once Weekly)
Estradiol
14
Norethindrone
12
Valacyclovir
Valacyclovir Hcl
11
Progesterone
"Progesterone
N/A

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Women's Health Nurse Practitioner Overview

How MARY SAFRIT, WHNP fits within the Women's Health Nurse Practitioner landscape nationally.

9,452
Women's Health Nurse Practitioner Providers in US
55
States with Women's Health Nurse Practitioner
262
Avg Claims per Provider

MARY SAFRIT, WHNP's 310 claims are above the specialty average of 262.

Nearby Women's Health Nurse Practitioner Providers in California

Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as SAFRIT.

Compare Women's Health Nurse Practitioner nationally: see state-by-state distribution →

Frequently Asked Questions

What is MARY SAFRIT, WHNP's specialty?
MARY SAFRIT, WHNP specializes in Women's Health Nurse Practitioner and practices in GREENBRAE, California. Credentials: WHNP.
How much does MARY SAFRIT, WHNP prescribe under Medicare Part D?
In 2023, MARY SAFRIT, WHNP wrote 310 Medicare Part D claims totaling $61K in drug costs for 140 beneficiaries.
What is MARY SAFRIT, WHNP's Medicare quality score?
MARY SAFRIT, WHNP has a CMS MIPS Final Score of 74.4657/100, Cost: 46.6814. The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is MARY SAFRIT, WHNP located?
MARY SAFRIT, WHNP is located at 350 BON AIR CTR, GREENBRAE, CA, 94904. Phone: (415) 578-3095.
What is MARY SAFRIT, WHNP's NPI number?
MARY SAFRIT, WHNP's National Provider Identifier (NPI) is 1154552818, issued on 07/29/2009.
Does MARY SAFRIT, WHNP prescribe more brand-name or generic drugs?
MARY SAFRIT, WHNP's prescribing is 26% brand-name and 74% generic drugs by claim count, with $41K in brand drug costs.
How many Women's Health Nurse Practitioner providers are there in the US?
There are 9,452 Women's Health Nurse Practitioner providers across 55 states in the US. The average Women's Health Nurse Practitioner provider writes 262 Medicare Part D claims per year.
What drugs does MARY SAFRIT, WHNP prescribe most often?
Based on 2023 Medicare Part D data, MARY SAFRIT, WHNP's most frequently prescribed drugs include Estradiol, Estradiol (Twice Weekly), Estring. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MARY SAFRIT, WHNP accept Medicare?
MARY SAFRIT, WHNP appears in CMS Medicare data with 310 Part D claims and 140 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MARY SAFRIT, WHNP's credentials?
MARY SAFRIT, WHNP's NPI is 1154552818 with credentials WHNP. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) — 2023 performance year.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology