NPPES file of Aug 9, 2026

Michael Howard Katz, M.D.

Psychiatry Physician · Norwell, MA

Michael Howard Katz, M.D. is a psychiatry physician with a practice address in Norwell, Massachusetts, and NPI 1932211653, issued on Aug 31, 2006. Check the license (Massachusetts 47973, 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
1932211653
Name
Michael Howard Katz
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
47973 MA
Self-reported in NPPES; status is on the state search
Practice location
148 Washington St, Norwell, MA 02061
Phone
(781) 681-9500
Enumerated
Aug 31, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(781) 681-9550
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 148 Washington St

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

  1. Mary Marchant, LMFT, LMHCMental Health Counselor1699763839
  2. Robert Parmenter, LMHC, LADCMental Health Counselor1376699132

Verify Michael Howard Katz 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 47973
    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

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27% more Medicare Part D claims than the average psychiatry physician in 2024

1,268 Medicare Part D claims for 91 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Michael Katz1,268
  2. Specialty average1,000

Most prescribed

  1. Bupropion Xl105 claims
  2. Clonazepam103 claims
  3. Lamotrigine100 claims
  4. Alprazolam86 claims
  5. Buspirone Hcl68 claims
  6. Lorazepam60 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.

Industry payments in 2024: $395.23

22 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Katz$395.23
  2. Specialty average$4,954.93

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

Michael Howard Katz among 2,736 psychiatry physician records in Massachusetts

Michael Howard Katz, M.D. 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 51% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2007 · 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. Lawrence Berley, M.D.Norwell, MA 020611629164892
  2. Eugenya Alesker, MDNorwood, MA 020621538135413
  3. Timothy Davis, M.D.Norwood, MA 020621255442372
  4. Alice Freeman, M.D.Norwood, MA 020621972692762
  5. Roger Gray, MDNorwood, MA 020621194799460
  6. Evelyn Hale, M.D.Norwood, MA 020621548450687
  7. Pamela Hoyt, MDNorwood, MA 020621508930793
  8. Motria Huk, MDNorwood, MA 020621861540403

Common questions

What is Michael Howard Katz, M.D.'s NPI number?

Michael Howard Katz, M.D.'s National Provider Identifier (NPI) is 1932211653, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Howard Katz, M.D. located?

The NPPES record lists a practice address at 148 Washington St, Norwell, MA, 02061. Phone: (781) 681-9500. Providers update this record themselves, so call before visiting.

How can I verify Michael Howard Katz, M.D.'s license?

NPPES lists Massachusetts license number 47973, 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 Michael Howard Katz, M.D. prescribe under Medicare Part D?

In 2024, Michael Howard Katz, M.D. had 1,268 Medicare Part D claims for 91 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.