NPPES file of Aug 9, 2026

Mariya A. Leontyeva, FNP-C

Family Nurse Practitioner · San Mateo, CA

Mariya A. Leontyeva, FNP-C is a family nurse practitioner with a practice address in San Mateo, California, and NPI 1649037094, issued on Mar 4, 2024. Check the license (California 95028520, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649037094
Name
Mariya A. Leontyeva
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95028520 CA
Self-reported in NPPES; status is on the state search
Practice location
34 N San Mateo Dr # 2, San Mateo, CA 94401
Phone
(650) 513-6651
Enumerated
Mar 4, 2024
Record last updated
Mar 4, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mariya A. Leontyeva in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95028520
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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82% fewer Medicare Part D claims than the average family nurse practitioner in 2024

231 Medicare Part D claims for 54 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 126 claims were for opioids.

  1. Mariya Leontyeva231
  2. Specialty average1,305

Most prescribed

  1. Hydrocodone-Acetaminophen66 claims
  2. Gabapentin27 claims
  3. Oxycodone Hcl16 claims
  4. Baclofen15 claims
  5. Morphine Sulfate Er14 claims
  6. Cyclobenzaprine Hcl12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $222.33

10 payments; by number, the most common kind was food and beverage; the largest payer was Collegium Pharmaceutical, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mariya Leontyeva$222.33
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mariya A. Leontyeva among 16,966 family nurse practitioner records in California

Mariya A. Leontyeva, FNP-C is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 83% of them.

  • NPI issued2024 · 83% of these records are older, 10% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2024 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

43 family nurse practitioner records list a practice address in San Mateo

They are 43 of the 3,909 NPPES records with a practice address in San Mateo, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Hayley Brown, MS, RN, FNP-CSan Mateo, CA 944011518395169
  2. Allison Bunch, NPSan Mateo, CA 944011871661207
  3. Michelle ChiSan Mateo, CA 944011972452423
  4. Amanda Cinquegrano, FNP-CSan Mateo, CA 944011548711633
  5. Elisabeth Denker, RN FNP-CSan Mateo, CA 944011235363102
  6. Cristina Diaz, FNPSan Mateo, CA 944011326859612
  7. Zahiyah Hasan, MSN, FNPSan Mateo, CA 944011851936892
  8. Kaye Labasan, NPSan Mateo, CA 944011619756400

Common questions

What is Mariya A. Leontyeva, FNP-C's NPI number?

Mariya A. Leontyeva, FNP-C's National Provider Identifier (NPI) is 1649037094, issued on Mar 4, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Mariya A. Leontyeva, FNP-C located?

The NPPES record lists a practice address at 34 N San Mateo Dr # 2, San Mateo, CA, 94401. Phone: (650) 513-6651. Providers update this record themselves, so call before visiting.

How can I verify Mariya A. Leontyeva, FNP-C's license?

NPPES lists California license number 95028520, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mariya A. Leontyeva, FNP-C prescribe under Medicare Part D?

In 2024, Mariya A. Leontyeva, FNP-C had 231 Medicare Part D claims for 54 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.