NPPES file of Aug 9, 2026

Shawn Barton Hersevoort, M.D., M.P.H.

Psychiatry Physician · Berkeley, CA

Shawn Barton Hersevoort, M.D., M.P.H. is a psychiatry physician with a practice address in Berkeley, California, and NPI 1518013317, issued on Jan 25, 2007. Check the license (California A88489, 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
1518013317
Name
Shawn Barton Hersevoort
Credential
M.D., M.P.H.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A88489 CA
Self-reported in NPPES; status is on the state search
Practice location
2855 Telegraph Ave Ste 515, Berkeley, CA 94705
Phone
(877) 768-7075
Enumerated
Jan 25, 2007
Record last updated
Feb 9, 2022
Medicare enrollment
Enrolled (PECOS I20050713000447); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2003
Telehealth
Offers telehealth (CMS)
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 2855 Telegraph Ave Ste 515

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

  1. Janelle Aguirre, LMFTMarriage & Family Therapist1114290665
  2. Amanda CamarilloMental Health Counselor1275923997
  3. Shaneque Hawkins, M.ED, LPCProfessional Counselor1396406344
  4. Ashley KingMental Health Counselor1497409296
  5. Maggie Law, LMFTMarriage & Family Therapist1184095424
  6. Stacey MonroeClinical Social Worker1124592050

Verify Shawn Barton Hersevoort in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A88489
    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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90% fewer Medicare Part D claims than the average psychiatry physician in 2024

104 Medicare Part D claims for 11 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Shawn Hersevoort104
  2. Specialty average1,000

Most prescribed

  1. Abilify Maintena11 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. Pacific Coast Psychiatric Associates IncSacramento, CA

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

Shawn Barton Hersevoort among 8,673 psychiatry physician records in California

Shawn Barton Hersevoort, M.D., M.P.H. is one of 8,673 psychiatry physician 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 2007, is newer than 33% of them.

  • NPI issued2007 · 33% of these records are older, 48% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2003 · median 2005 among the 3,295 with a school on file
  • Record last updated2022 · 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 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

106 psychiatry physician records list a practice address in Berkeley

They are 106 of the 4,898 NPPES records with a practice address in Berkeley, and 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Kenneth Braslow, M.D.Berkeley, CA 947051942274139
  2. Marcia Dillon, M.D.Berkeley, CA 947051447343777
  3. Ronald Elson, MDBerkeley, CA 947051730272378
  4. Peter Freedman, M.D.Berkeley, CA 947051124025051
  5. Alexander Hauptman, M.D.Berkeley, CA 947051568560951
  6. Belle Huang, M.D.Berkeley, CA 947051184731846
  7. Henry Massie, MDBerkeley, CA 947051942254206
  8. Roger Mendelson, MDBerkeley, CA 947051558378992

Common questions

What is Shawn Barton Hersevoort, M.D., M.P.H.'s NPI number?

Shawn Barton Hersevoort, M.D., M.P.H.'s National Provider Identifier (NPI) is 1518013317, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Shawn Barton Hersevoort, M.D., M.P.H. located?

The NPPES record lists a practice address at 2855 Telegraph Ave Ste 515, Berkeley, CA, 94705. Phone: (877) 768-7075. Providers update this record themselves, so call before visiting.

How can I verify Shawn Barton Hersevoort, M.D., M.P.H.'s license?

NPPES lists California license number A88489, 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 Shawn Barton Hersevoort, M.D., M.P.H. prescribe under Medicare Part D?

In 2024, Shawn Barton Hersevoort, M.D., M.P.H. had 104 Medicare Part D claims for 11 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.