Stacy L. Hershfeld, D.O.
Internal Medicine Physician · Farmington, ME
Stacy L. Hershfeld, D.O. is an internal medicine physician with a practice address in Farmington, Maine, and NPI 1467483214, issued on Jul 6, 2006. Check the license (Maine 1735, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stacy L. Hershfeld
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1735 ME
Self-reported in NPPES; status is on the state search - Practice location
- 144 High St Ste 305, Farmington, ME 04938
- Phone
- (207) 491-1681
- Enumerated
- Jul 6, 2006
- Record last updated
- Jul 21, 2026
- Medicare enrollment
- Enrolled (PECOS I20101006000025); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1999
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 597 in Maine → Look up another NPI →
Also registered at 144 High St Ste 305
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Goss, D.O.Internal Medicine Physician1215968151
- Deborah Hamilton, M.D.Family Medicine Physician1952334864
Verify Stacy L. Hershfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 1735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% more Medicare Part D claims than the average internal medicine physician in 2024
5,972 Medicare Part D claims for 493 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 350 claims were for opioids.
Most prescribed
- Atorvastatin Calcium359 claims
- Levothyroxine Sodium284 claims
- Lisinopril181 claims
- Omeprazole157 claims
- Eliquis152 claims
- Amlodipine Besylate144 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.
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $23.00
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- MainehealthFarmington, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stacy L. Hershfeld among 597 internal medicine physician records in Maine
Stacy L. Hershfeld, D.O. is one of 597 internal medicine physician records with a practice address in Maine. 77% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2005 among the 369 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Farmington
They are 10 of the 349 NPPES records with a practice address in Farmington, and 597 internal medicine physician records in Maine.
All 597 in Maine → Every provider in Farmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Peter Cordner, D.O.Farmington, ME 049381659384089
- Thomas Frohwein, M.D.Farmington, ME 049381275941148
- Kimberly Gooch, MDFarmington, ME 049381659365641
- Stephen Goss, D.O.Farmington, ME 049381215968151
- David Hyde, D.O.Farmington, ME 049381144288341
- Robert O'Reilly, D.O.Farmington, ME 049381497780605
- Roderick Prior, M.D.Farmington, ME 049381184681215
- Nelson Record, M.D.Farmington, ME 049381629173281
Common questions
What is Stacy L. Hershfeld, D.O.'s NPI number?
Stacy L. Hershfeld, D.O.'s National Provider Identifier (NPI) is 1467483214, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stacy L. Hershfeld, D.O. located?
The NPPES record lists a practice address at 144 High St Ste 305, Farmington, ME, 04938. Phone: (207) 491-1681. Providers update this record themselves, so call before visiting.
How can I verify Stacy L. Hershfeld, D.O.'s license?
NPPES lists Maine license number 1735, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stacy L. Hershfeld, D.O. prescribe under Medicare Part D?
In 2024, Stacy L. Hershfeld, D.O. had 5,972 Medicare Part D claims for 493 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Stacy L. Hershfeld, D.O.'s MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.