NPPES file of Aug 9, 2026

Zachary Herrmann, D.O.

Psychiatry Physician · Springfield, MA

Zachary Herrmann, D.O. is a psychiatry physician with a practice address in Springfield, Massachusetts, and NPI 1134583438, issued on Apr 12, 2016. Check the license (Massachusetts 1015722, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1134583438
Name
Zachary Herrmann
Credential
D.O.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
1015722 MA
Self-reported in NPPES; status is on the state search
Practice location
3300 Main Street, Springfield, MA 01107
Phone
(413) 794-5555
Enumerated
Apr 12, 2016
Record last updated
Jun 13, 2024
Medicare enrollment
Enrolled (PECOS I20230707003520); accepts Medicare assignment
Medical or professional school
Philadelphia Col Of Osteo Med, Sewanee, 2016
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 3300 Main Street

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

  1. Mohammad Abu Hishmeh, M.DPulmonary Disease Physician1841608890
  2. Sophia Airhart, M.D., FACCAdvanced Heart Failure and Transplant Cardiology Physician1427379825
  3. Raul Alicea, PA-CMedical Physician Assistant1275057051
  4. Stuart Anfang, M.D.Psychiatry Physician1033269410
  5. Stacie Baldwin, PA-CMedical Physician Assistant1558518951
  6. George Baquis, MDNeurology Physician1912002965

Verify Zachary Herrmann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 1015722
    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 Massachusetts 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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74% fewer Medicare Part D claims than the average psychiatry physician in 2024

259 Medicare Part D claims for 31 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Zachary Herrmann259
  2. Specialty average1,000

Most prescribed

  1. Clonazepam24 claims
  2. Mirtazapine24 claims
  3. Fluoxetine Hcl20 claims
  4. Buspirone Hcl13 claims
  5. Lorazepam13 claims
  6. Venlafaxine Hcl Er13 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. Baystate Medical Practices IncSpringfield, MA

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

Zachary Herrmann among 2,736 psychiatry physician records in Massachusetts

Zachary Herrmann, D.O. is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 81% of them.

  • NPI issued2016 · 81% of these records are older, 17% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2016 · median 2005 among the 1,219 with a school on file
  • Record last updated2024 · 62% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Massachusetts

There are 2,736 psychiatry physician records in Massachusetts.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Ryan Alvares, M.D.Springfield, MA 011071598109944
  2. Stuart Anfang, M.D.Springfield, MA 011071033269410
  3. Lewis Cohen, MDSpringfield, MA 011071679597439
  4. Steven Fischel, MDSpringfield, MA 011071487678249
  5. Veeraraghavan Iyer, MDSpringfield, MA 011071609259282
  6. Erin Johnson, M.D.Springfield, MA 011071639563810
  7. Hossain Khan, DOSpringfield, MA 011071467941047
  8. Brianne Kumar, DOSpringfield, MA 011071558850131

Common questions

What is Zachary Herrmann, D.O.'s NPI number?

Zachary Herrmann, D.O.'s National Provider Identifier (NPI) is 1134583438, issued on Apr 12, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Herrmann, D.O. located?

The NPPES record lists a practice address at 3300 Main Street, Springfield, MA, 01107. Phone: (413) 794-5555. Providers update this record themselves, so call before visiting.

How can I verify Zachary Herrmann, D.O.'s license?

NPPES lists Massachusetts license number 1015722, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Zachary Herrmann, D.O. prescribe under Medicare Part D?

In 2024, Zachary Herrmann, D.O. had 259 Medicare Part D claims for 31 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.