NPPES file of Aug 9, 2026

Nicholas John Naayers

Physician Assistant · San Francisco, CA

Nicholas John Naayers is a physician assistant with a practice address in San Francisco, California, and NPI 1518480862, issued on Jul 19, 2017. Check the license (California PA63323, 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
1518480862
Name
Nicholas John Naayers
Primary taxonomy
Physician Assistant 363A00000X
License number
PA63323 CA
Self-reported in NPPES; status is on the state search
Practice location
2 Embarcadero Ctr Lbby Level, San Francisco, CA 94111
Phone
(888) 663-6331
Enumerated
Jul 19, 2017
Record last updated
Mar 17, 2025
Fax
(415) 252-7176
Medicare enrollment
Enrolled (PECOS I20180124002378); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2 Embarcadero Ctr Lbby Level

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Susan AdamNurse Practitioner1033530811
  2. Julie Ahlrich, FNP-BCFamily Nurse Practitioner1780802629
  3. Ann Ala, NPFamily Nurse Practitioner1083948012
  4. Jennifer Alexander, FNPFamily Nurse Practitioner1205179249
  5. Sameerah Ali, FNP-BCNurse Practitioner1558531566
  6. Amanda Anderson, P.A.Physician Assistant1104292267

Verify Nicholas John Naayers 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 PA63323
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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75% fewer Medicare Part D claims than the average physician assistant in 2024

210 Medicare Part D claims for 163 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Nicholas Naayers210
  2. Specialty average830

Most prescribed

  1. Cephalexin17 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.

Bills Medicare through one group practice

  1. Thse - Marco Urgent Care LLCMarco Island, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nicholas John Naayers among 14,451 physician assistant records in California

Nicholas John Naayers is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 47% of them.

  • NPI issued2017 · 47% of these records are older, 48% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2017 · median 2018 among the 7,214 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physician Assistant providers in California

There are 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Caroline Ahlquist, PA-CSan Francisco, CA 941111467524579
  2. Bodhi Anderson, PACSan Francisco, CA 941111730384942
  3. Joshua Borgstadt, PA-CSan Francisco, CA 941111417097155
  4. Karen Dress, PA-CSan Francisco, CA 941111013123157
  5. Cuyla Dudley, PA-C, ATCSan Francisco, CA 941111467426056
  6. Ashley Gregory, P.A.San Francisco, CA 941111255371746
  7. Amee Koch, PA-CSan Francisco, CA 941111013932094
  8. Danielle MartinoSan Francisco, CA 941111659549152

Common questions

What is Nicholas John Naayers's NPI number?

Nicholas John Naayers's National Provider Identifier (NPI) is 1518480862, issued on Jul 19, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas John Naayers located?

The NPPES record lists a practice address at 2 Embarcadero Ctr Lbby Level, San Francisco, CA, 94111. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.

How can I verify Nicholas John Naayers's license?

NPPES lists California license number PA63323, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Nicholas John Naayers prescribe under Medicare Part D?

In 2024, Nicholas John Naayers had 210 Medicare Part D claims for 163 beneficiaries; the average among physician assistant prescribers was 830. 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.