NPPES file of Aug 9, 2026

Katherine Ann Fish, DDS

Dentist · Greenfield, MA

Katherine Ann Fish, DDS is a dentist with a practice address in Greenfield, Massachusetts, and NPI 1003273004, issued on Jan 21, 2016. Check the license (Massachusetts DN1856609, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1003273004
Name
Katherine Ann Fish
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
DN1856609 MA
Self-reported in NPPES; status is on the state search
Practice location
262 Federal St, Greenfield, MA 01301
Phone
(413) 773-3955
Enumerated
Jan 21, 2016
Record last updated
Jan 21, 2016 (not updated in 10 years: call before relying on the address or phone)
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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Verify Katherine Ann Fish in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license DN1856609
    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
Find the Massachusetts license search

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34% more Medicare Part D claims than the average dentist in 2024

115 Medicare Part D claims for 80 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Katherine Fish115
  2. Specialty average86

Most prescribed

  1. Amoxicillin68 claims
  2. Amoxicillin-Clavulanate Potass21 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.

Katherine Ann Fish among 2,934 dentist records in Massachusetts

Katherine Ann Fish, DDS is one of 2,934 dentist records with a practice address in Massachusetts. 58% 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 52% of them.

  • NPI issued2016 · 52% of these records are older, 43% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2016 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 dentist records list a practice address in Greenfield

They are 14 of the 1,251 NPPES records with a practice address in Greenfield, and 2,934 dentist records in Massachusetts.

The 8 dentist records with the nearest ZIP codes

  1. Peter Bagley, DMDGreenfield, MA 013011548433543
  2. Mohamed ElobaidGreenfield, MA 013011023983996
  3. Timothy Fish, DDSGreenfield, MA 013011245384825
  4. Christopher Goodwin, DMDGreenfield, MA 013011538332531
  5. Jenna Hrinda, DMDGreenfield, MA 013011619140613
  6. Michael Hrinda, DMDGreenfield, MA 013011073786075
  7. Seo Yeon JooGreenfield, MA 013011780360982
  8. Nam Hun Kim, DMDGreenfield, MA 013011831579044

Common questions

What is Katherine Ann Fish, DDS's NPI number?

Katherine Ann Fish, DDS's National Provider Identifier (NPI) is 1003273004, issued on Jan 21, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Ann Fish, DDS located?

The NPPES record lists a practice address at 262 Federal St, Greenfield, MA, 01301. Phone: (413) 773-3955. Providers update this record themselves, so call before visiting.

How can I verify Katherine Ann Fish, DDS's license?

NPPES lists Massachusetts license number DN1856609, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Ann Fish, DDS prescribe under Medicare Part D?

In 2024, Katherine Ann Fish, DDS had 115 Medicare Part D claims for 80 beneficiaries; the average among dentist prescribers was 86. 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.