Joan Katz, M.D.
Public Health & General Preventive Medicine Physician · Boston, MA
Joan Katz, M.D. is a public health & general preventive medicine physician with a practice address in Boston, Massachusetts, and NPI 1154341576, issued on Jul 20, 2006. Check the license (Massachusetts 53852, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Joan Katz
- Credential
- M.D.
- Primary taxonomy
- Public Health & General Preventive Medicine Physician 2083P0901X
- License numbers
- 53852 MA
ME80568 FL
Self-reported in NPPES; status is on the state search - Practice location
- 65 E India Row, Boston, MA 02110
- Phone
- (617) 367-8887
- Enumerated
- Jul 20, 2006
- Record last updated
- Mar 29, 2023
- Entity
- Type 1 · individual
8 nearest public health & general preventive medicine physician records → All 52 in Massachusetts → Look up another NPI →
Also registered at 65 E India Row
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Hasiotis, MDInternal Medicine Physician1386631844
Verify Joan Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 53852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average public health & general preventive medicine physician in 2024
155 Medicare Part D claims for 38 beneficiaries, against an average of 820 among the 336 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Dutasteride74 claims
- Ketoconazole15 claims
- Valacyclovir11 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.
Joan Katz among 52 public health & general preventive medicine physician records in Massachusetts
Joan Katz, M.D. is one of 52 public health & general preventive medicine physician records with a practice address in Massachusetts. 12% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 63% newer
- In a Medicare fileYes · 12% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2023 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0901X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Public Health & General Preventive Medicine Physician providers in Massachusetts
There are 52 public health & general preventive medicine physician records in Massachusetts.
All 52 in Massachusetts → Every provider in Boston → Public Health & General Preventive Medicine Physician nationwide →
The 8 public health & general preventive medicine physician records with the nearest ZIP codes
- Lars Boman, MDBoston, MA 021091275562944
- Paul Andrew Hattis, M.D.Boston, MA 021111922141407
- Anthony Robbins, M.D.Boston, MA 021111518026970
- Helen Holly Hackman, M.D.Boston, MA 021081871692624
- Gillian Lee, MD, MPHBoston, MA 021141356964977
- Barry Chaiken, M.D.Boston, MA 021151568412906
- Elizabeth Dean-Clower, M.D., MPHBoston, MA 021151679711030
- Sally Heymann, M.D.Boston, MA 021151609997857
Common questions
What is Joan Katz, M.D.'s NPI number?
Joan Katz, M.D.'s National Provider Identifier (NPI) is 1154341576, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joan Katz, M.D. located?
The NPPES record lists a practice address at 65 E India Row, Boston, MA, 02110. Phone: (617) 367-8887. Providers update this record themselves, so call before visiting.
How can I verify Joan Katz, M.D.'s license?
NPPES lists Massachusetts license number 53852, 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 Joan Katz, M.D. prescribe under Medicare Part D?
In 2024, Joan Katz, M.D. had 155 Medicare Part D claims for 38 beneficiaries; the average among public health & general preventive medicine physician prescribers was 820. 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.