2026 NPPES data Ambulatory Women's Health Care Registered Nurse NPI 1700074200 RN, NP
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LYNN WEST, RN, NP

Ambulatory Women's Health Care Registered Nurse in REDWOOD CITY, 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
221
Medicare Part D claims · 137 beneficiaries · Ambulatory Women's Health Care Registered Nurse avg: 202
Generic prescribing
87%
generic claims · 13% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

LYNN WEST, RN, NP filed 221 Medicare Part D claims in 2023 as a Ambulatory Women's Health Care Registered Nurse in REDWOOD CITY, California, prescribing 87% generic.

221
Part D claims, 2023
87%
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.

LYNN WEST, RN, NP's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

221 49th percentile higher than 49% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). This entry sits in this band. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. 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 Medicare Part D Prescriber Public Use File · 2023

What does the federal data show about LYNN WEST, RN, NP?

Quality data not reported

NPI registry status

Active

Issued 10/09/2007

NPI 1700074200

Primary specialty

Ambulatory Women's Health Care Registered Nurse

Niche

904 US NPIs in this specialty

Medicare Part D claims

221 9% vs specialty avg

2023 prescription claims

Specialty avg: 202

Specialty distribution in California

How Ambulatory Women's Health Care Registered Nurse compares to other specialties among California providers

California providers

Ambulatory Women's Health Care Registered Nurse share within California

1. Ambulatory Women's Health Care Registered Nurse42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Ambulatory Women's Health Care Registered Nurse share within California

Specialty board-certification context

Estimated specialty board-certified rate — Ambulatory Women's Health Care Registered Nurse (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Ambulatory Women's Health Care Registered Nurse ABMS/AOA estimate

Est. board-certified rate (Ambulatory Women's Health Care Registered Nurse) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Ambulatory Women's Health Care Registered Nurse) — ABMS / AOA estimate

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).

LYNN WEST, RN, NP appears in the CMS NPPES registry as a Ambulatory Women's Health Care Registered Nurse provider holding RN, NP credentials at 1150 VETERANS BLVD, REDWOOD CITY, CA, 94063, with a listed phone of (650) 299-2015. NPI 1700074200 was issued on 10/09/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WEST 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 221 prescription claims written by this provider, covering 137 Medicare beneficiaries and totaling roughly $20K in drug spend, split 13% brand-name and 87% 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.

Ambulatory Women's Health Care Registered Nurse is a narrow specialty nationwide, with 904 enrolled providers across 51 states and an average of 202 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

1150 VETERANS BLVD
REDWOOD CITY, CA 94063

Provider Details

NPI 1700074200
Specialty Ambulatory Women's Health Care Registered Nurse
Credentials RN, NP
Gender Female
NPI Issued 10/09/2007

Hospital and facility affiliations

Facilities where LYNN WEST, RN, NP 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.

PERMANENTE MEDICAL GROUP INC
REDWOOD CITY, 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 LYNN WEST, RN, NP. To verify LYNN WEST, RN, NP'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 · Typical

LYNN WEST, RN, NP — brand share 13.0%
Specialty average (est.)

13% brand-name claims vs 87% generic, on 221 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.

221
Total Claims
$20K
Total Drug Cost
137
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
594
Total Day Supply
16,935
Brand vs Generic
13% brand / 87% generic
Brand Drug Cost
$12K
Generic Drug Cost
$8K
Antibiotic Claims
19

Patient Demographics

Average Patient Age
73.8 years
Avg HCC Risk Score
0.92
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 LYNN WEST, RN, NP 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
Estring
Estradiol
15
Yuvafem
Estradiol
14
Triamcinolone Acetonide
13
Hydrocortisone
11

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

Ambulatory Women's Health Care Registered Nurse Overview

How LYNN WEST, RN, NP fits within the Ambulatory Women's Health Care Registered Nurse landscape nationally.

904
Ambulatory Women's Health Care Registered Nurse Providers in US
51
States with Ambulatory Women's Health Care Registered Nurse
202
Avg Claims per Provider

LYNN WEST, RN, NP's 221 claims are above the specialty average of 202.

Nearby Ambulatory Women's Health Care Registered Nurse Providers in California

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

Compare Ambulatory Women's Health Care Registered Nurse nationally: see state-by-state distribution →

Frequently Asked Questions

What is LYNN WEST, RN, NP's specialty?
LYNN WEST, RN, NP specializes in Ambulatory Women's Health Care Registered Nurse and practices in REDWOOD CITY, California. Credentials: RN, NP.
How much does LYNN WEST, RN, NP prescribe under Medicare Part D?
In 2023, LYNN WEST, RN, NP wrote 221 Medicare Part D claims totaling $20K in drug costs for 137 beneficiaries.
Where is LYNN WEST, RN, NP located?
LYNN WEST, RN, NP is located at 1150 VETERANS BLVD, REDWOOD CITY, CA, 94063. Phone: (650) 299-2015.
What is LYNN WEST, RN, NP's NPI number?
LYNN WEST, RN, NP's National Provider Identifier (NPI) is 1700074200, issued on 10/09/2007.
Does LYNN WEST, RN, NP prescribe more brand-name or generic drugs?
LYNN WEST, RN, NP's prescribing is 13% brand-name and 87% generic drugs by claim count, with $12K in brand drug costs.
How many Ambulatory Women's Health Care Registered Nurse providers are there in the US?
There are 904 Ambulatory Women's Health Care Registered Nurse providers across 51 states in the US. The average Ambulatory Women's Health Care Registered Nurse provider writes 202 Medicare Part D claims per year.
What drugs does LYNN WEST, RN, NP prescribe most often?
Based on 2023 Medicare Part D data, LYNN WEST, RN, NP's most frequently prescribed drugs include Estradiol, Estring, Yuvafem. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does LYNN WEST, RN, NP accept Medicare?
LYNN WEST, RN, NP appears in CMS Medicare data with 221 Part D claims and 137 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify LYNN WEST, RN, NP's credentials?
LYNN WEST, RN, NP's NPI is 1700074200 with credentials RN, NP. 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.
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