NPPES file of Aug 9, 2026

John Boren Hallett, MD

Family Medicine Physician · Rohnert Park, CA

John Boren Hallett, MD is a family medicine physician with a practice address in Rohnert Park, California, and NPI 1619436995, issued on Mar 17, 2019. Check the license (California A178101, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619436995
Name
John Boren Hallett
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A178101 CA
Self-reported in NPPES; status is on the state search
Practice location
5900 State Farm Dr Ste 200, Rohnert Park, CA 94928
Phone
(707) 559-7500
Enumerated
Mar 17, 2019
Record last updated
Oct 20, 2022
Fax
(707) 559-7707
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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Also registered at 5900 State Farm Dr Ste 200

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

  1. Jesus Dimas-Arriaga, REGISTERED DIETITIANRegistered Dietitian1649723388
  2. Laura Martin, M.D.Family Medicine Physician1225353923
  3. Sean Nadalin, PAPhysician Assistant1518430628
  4. Paula Pelavin, P.A.Physician Assistant1821458761
  5. Elisa Pujals, M.D.Family Medicine Physician1891058038
  6. Cary Wilson, PA-CPhysician Assistant1700067378

Verify John Boren Hallett in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A178101
    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.

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47% fewer Medicare Part D claims than the average family medicine physician in 2024

1,893 Medicare Part D claims for 192 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 58 claims were for opioids.

  1. John Hallett1,893
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium156 claims
  2. Tamsulosin Hcl62 claims
  3. Lisinopril61 claims
  4. Fluticasone Propionate56 claims
  5. Amlodipine Besylate55 claims
  6. Gabapentin48 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.

John Boren Hallett among 17,133 family medicine physician records in California

John Boren Hallett, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2022 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 family medicine physician records list a practice address in Rohnert Park

They are 33 of the 483 NPPES records with a practice address in Rohnert Park, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Margo Budman, MDRohnert Park, CA 949281710949821
  2. Charles Catlett, MDRohnert Park, CA 949281588748651
  3. Christopher Crossland, MDRohnert Park, CA 949281447334438
  4. Mary Frank, M.D.Rohnert Park, CA 949281174536023
  5. Robert Goodman, MDRohnert Park, CA 949281982666855
  6. Rex Harner, M.D.Rohnert Park, CA 949281528066321
  7. Judith Heiler, M.D.Rohnert Park, CA 949281346354420
  8. Steven Levenberg, DORohnert Park, CA 949281952350381

Common questions

What is John Boren Hallett, MD's NPI number?

John Boren Hallett, MD's National Provider Identifier (NPI) is 1619436995, issued on Mar 17, 2019. An NPI identifies a provider in billing; it is not a license.

Where is John Boren Hallett, MD located?

The NPPES record lists a practice address at 5900 State Farm Dr Ste 200, Rohnert Park, CA, 94928. Phone: (707) 559-7500. Providers update this record themselves, so call before visiting.

How can I verify John Boren Hallett, MD's license?

NPPES lists California license number A178101, 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 John Boren Hallett, MD prescribe under Medicare Part D?

In 2024, John Boren Hallett, MD had 1,893 Medicare Part D claims for 192 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.