NPPES file of Aug 9, 2026

Gregory August Kuzmik, MD

Neurological Surgery Physician · San Francisco, CA

Gregory August Kuzmik, MD is a neurological surgery physician with a practice address in San Francisco, California, and NPI 1922444371, issued on May 13, 2013. Check the license (California A168627, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922444371
Name
Gregory August Kuzmik
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
A168627 CA
67453 CT
Self-reported in NPPES; status is on the state search
Practice location
400 Parnassus Ave # A303, San Francisco, CA 94143
Phone
(415) 353-2739
Enumerated
May 13, 2013
Record last updated
Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210615003509); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 2013
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.
Download card Updates feed

Also registered at 400 Parnassus Ave # A303

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

  1. Tej Azad, MDNeurological Surgery Physician1447711205
  2. John Burke, MDNeurological Surgery Physician1235519935
  3. Timothy Chryssikos, MDNeurological Surgery Physician1841673332
  4. Nathan Han, MDNeurological Surgery Physician1417484569
  5. Jay Kumar, MDNeurological Surgery Physician1558850503
  6. Vignessh Kumar, MDNeurological Surgery Physician1649730359

Verify Gregory August Kuzmik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A168627
    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
Open 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

54% fewer Medicare Part D claims than the average neurological surgery physician in 2024

79 Medicare Part D claims for 29 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D.

  1. Gregory Kuzmik79
  2. Specialty average172

Most prescribed

  1. Gabapentin32 claims
  2. Meloxicam14 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 91.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.4
  2. Costout of 100 · 30%56.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $618.26

4 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Kuzmik$618
  2. Specialty average$14,926

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

Bills Medicare through one group practice

  1. Hartford Healthcare Medical Group Specialists PLLCNorth Haven, CT

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

Gregory August Kuzmik among 929 neurological surgery physician records in California

Gregory August Kuzmik, MD is one of 929 neurological surgery physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 74% of them.

  • NPI issued2013 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2013 · median 2005 among the 612 with a school on file
  • Record last updated2021 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in California

There are 929 neurological surgery physician records in California.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Manish Aghi, MD PHDSan Francisco, CA 941431689647778
  2. Christopher Ames, MDSan Francisco, CA 941431265485155
  3. Mitchel Berger, MDSan Francisco, CA 941431538117981
  4. Nicholas Butowski, MDSan Francisco, CA 941431184681009
  5. Susan Chang, MDSan Francisco, CA 941431346299518
  6. Nalin Gupta, MDSan Francisco, CA 941431811955438
  7. Evren Keles, M.D.San Francisco, CA 941431407872674
  8. Praveen Mummaneni, M.D.San Francisco, CA 941431407960099

Common questions

What is Gregory August Kuzmik, MD's NPI number?

Gregory August Kuzmik, MD's National Provider Identifier (NPI) is 1922444371, issued on May 13, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Gregory August Kuzmik, MD located?

The NPPES record lists a practice address at 400 Parnassus Ave # A303, San Francisco, CA, 94143. Phone: (415) 353-2739. Providers update this record themselves, so call before visiting.

How can I verify Gregory August Kuzmik, MD's license?

NPPES lists California license number A168627, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory August Kuzmik, MD prescribe under Medicare Part D?

In 2024, Gregory August Kuzmik, MD had 79 Medicare Part D claims for 29 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

What is Gregory August Kuzmik, MD's MIPS final score?

The 2023 MIPS final score is 91.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.