NPPES file of Aug 9, 2026

John Alan Puccini, PA-C

Medical Physician Assistant · Walnut Creek, CA

John Alan Puccini, PA-C is a medical physician assistant with a practice address in Walnut Creek, California, and NPI 1528351814, issued on May 19, 2011. Check the license (California PA21529, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528351814
Name
John Alan Puccini
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA21529 CA
Self-reported in NPPES; status is on the state search
Practice location
106 LA Casa Via Ste 140, Walnut Creek, CA 94598
Phone
(925) 274-2860
Enumerated
May 19, 2011
Record last updated
May 19, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120830000205); 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 106 LA Casa Via Ste 140

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

  1. Ryan Brown, MDCardiovascular Disease Physician1467425439
  2. Stephanie Chin, PA-CPhysician Assistant1902936115
  3. Anurag Gupta, M.D.Clinical Cardiac Electrophysiology Physician1255520623
  4. Faizul Haque, MDCardiovascular Disease Physician1609952597
  5. Jordan Hauer-Laurencin, PAPhysician Assistant1417446717
  6. John Vu, M.D.Cardiovascular Disease Physician1124050216

Verify John Alan Puccini 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 PA21529
    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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19% more Medicare Part D claims than the average medical physician assistant in 2024

1,365 Medicare Part D claims for 212 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. John Puccini1,365
  2. Specialty average1,148

Most prescribed

  1. Metoprolol Succinate239 claims
  2. Atorvastatin Calcium118 claims
  3. Carvedilol113 claims
  4. Furosemide84 claims
  5. Spironolactone82 claims
  6. Amlodipine Besylate63 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 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 score82.1
  2. Costout of 100 · 30%64.1
  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: $672.56

18 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Puccini$672.56
  2. Specialty average$1,055.00

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. Alameda Health SystemOakland, CA

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

John Alan Puccini among 3,376 medical physician assistant records in California

John Alan Puccini, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 46% of them.

  • NPI issued2011 · 46% of these records are older, 49% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2010 · median 2012 among the 1,347 with a school on file
  • Record last updated2011 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Crystal Alpert, PA-CWalnut Creek, CA 945981821225319
  2. Jessica BeckWalnut Creek, CA 945981790604668
  3. Ehsan Ejaz, PAWalnut Creek, CA 945981689087892
  4. Salam Hasan, PA-CWalnut Creek, CA 945981841666443
  5. Maureen McGhee, PHYSICIAN ASSISTANTWalnut Creek, CA 945981639326234
  6. Angelica Meza, PAWalnut Creek, CA 945981386687945
  7. Robert Molden, PA-CWalnut Creek, CA 945981609507102
  8. Nicole Petro, PA-CWalnut Creek, CA 945981134373392

Common questions

What is John Alan Puccini, PA-C's NPI number?

John Alan Puccini, PA-C's National Provider Identifier (NPI) is 1528351814, issued on May 19, 2011. An NPI identifies a provider in billing; it is not a license.

Where is John Alan Puccini, PA-C located?

The NPPES record lists a practice address at 106 LA Casa Via Ste 140, Walnut Creek, CA, 94598. Phone: (925) 274-2860. Providers update this record themselves, so call before visiting.

How can I verify John Alan Puccini, PA-C's license?

NPPES lists California license number PA21529, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does John Alan Puccini, PA-C prescribe under Medicare Part D?

In 2024, John Alan Puccini, PA-C had 1,365 Medicare Part D claims for 212 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is John Alan Puccini, PA-C's MIPS final score?

The 2023 MIPS final score is 91 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.