Katherine S. Gerstle, MD
Family Medicine Physician · Springfield, MA
Katherine S. Gerstle, MD is a family medicine physician with a practice address in Springfield, Massachusetts, and NPI 1700808839, issued on Jul 25, 2006. Check the license (Massachusetts 81516, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katherine S. Gerstle
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 81516 MA
Self-reported in NPPES; status is on the state search - Practice location
- 380 Plainfield Street, Springfield, MA 01107
- Phone
- (413) 794-4458
- Enumerated
- Jul 25, 2006
- Record last updated
- Feb 28, 2023
- Fax
- (413) 794-5131
- Medicare enrollment
- Enrolled (PECOS I20060403000684); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 380 Plainfield Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Trevor Bell, M.D.Family Medicine Physician1598084741
- Gregory Campbell, M.D.Internal Medicine Physician1497287254
- Charles ClevelandPharmacy Technician1023601127
- Lucille Passer, PA-CMedical Physician Assistant1750470878
- Hilda Rivera-RiveraInternal Medicine Physician1225247521
Verify Katherine S. Gerstle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 81516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average family medicine physician in 2024
1,271 Medicare Part D claims for 111 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium55 claims
- Famotidine49 claims
- Amlodipine Besylate48 claims
- Gabapentin44 claims
- Metoprolol Succinate42 claims
- Fluticasone Propionate41 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
- Baystate Medical Practices IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine S. Gerstle among 2,265 family medicine physician records in Massachusetts
Katherine S. Gerstle, MD is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 55% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1992 · median 2006 among the 1,529 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Massachusetts
There are 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Springfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Omar Abduljabar, M.D.Springfield, MA 011071770978843
- Trevor Bell, M.D.Springfield, MA 011071598084741
- Elka Cloke, M.D.Springfield, MA 011071598959249
- Jaai Deshpande, MDSpringfield, MA 011071679095947
- Leila Elysee-MittonSpringfield, MA 011071508599044
- Karen Hoyt, MDSpringfield, MA 011071013978097
- David Katz, MDSpringfield, MA 011071427069061
- Justin Quinlan, DOSpringfield, MA 011071124558481
Common questions
What is Katherine S. Gerstle, MD's NPI number?
Katherine S. Gerstle, MD's National Provider Identifier (NPI) is 1700808839, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine S. Gerstle, MD located?
The NPPES record lists a practice address at 380 Plainfield Street, Springfield, MA, 01107. Phone: (413) 794-4458. Providers update this record themselves, so call before visiting.
How can I verify Katherine S. Gerstle, MD's license?
NPPES lists Massachusetts license number 81516, 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 Katherine S. Gerstle, MD prescribe under Medicare Part D?
In 2024, Katherine S. Gerstle, MD had 1,271 Medicare Part D claims for 111 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.