Frank V. Linn, M.D.
Gastroenterology Physician · Concord, MA
Frank V. Linn, M.D. is a gastroenterology physician with a practice address in Concord, Massachusetts, and NPI 1639250327, issued on Oct 18, 2006. Check the license (Massachusetts 58433, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Frank V. Linn
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 58433 MA
Self-reported in NPPES; status is on the state search - Practice location
- 131 Old Road TO Nine Acre Corner, Concord, MA 01742
- Phone
- (978) 371-2288
- Enumerated
- Oct 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (978) 371-9153
- Medicaid ID
- 3067572 MA
- Medicare enrollment
- Enrolled (PECOS I20040603000149); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1983
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Also registered at 131 Old Road TO Nine Acre Corner
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eriko Frank, LICSWClinical Social Worker1962999706
- Elizabeth Mulley, PA-CPhysician Assistant1700611225
- Melissa Piech, M.D.Endocrinology, Diabetes & Metabolism Physician1326240730
Verify Frank V. Linn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 58433Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average gastroenterology physician in 2024
517 Medicare Part D claims for 218 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Omeprazole79 claims
- Famotidine70 claims
- Ondansetron Hcl65 claims
- Pantoprazole Sodium60 claims
- Sutab23 claims
- Lansoprazole21 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: $2,374.37
101 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Middlesex Gastroenterolgy PCActon, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frank V. Linn among 686 gastroenterology physician records in Massachusetts
Frank V. Linn, M.D. is one of 686 gastroenterology 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, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1983 · median 2004 among the 491 with a school on file
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts.
All 686 in Massachusetts → Every provider in Concord → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Andrea Fribush, M.D.Concord, MA 017421336107309
- Tanya KhanConcord, MA 017421427582741
- Richard Schwartz, MD PCConcord, MA 017421053439844
- T Bynum, MDMarlboro, MA 017521790866655
- Ali Amini, MDMilford, MA 017571962502997
- Ajay Batra, MDMilford, MA 017571053411082
- Albert Crimaldi, MDMilford, MA 017571538262100
- Daniel Donahue, MDMilford, MA 017571790888360
Common questions
What is Frank V. Linn, M.D.'s NPI number?
Frank V. Linn, M.D.'s National Provider Identifier (NPI) is 1639250327, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frank V. Linn, M.D. located?
The NPPES record lists a practice address at 131 Old Road TO Nine Acre Corner, Concord, MA, 01742. Phone: (978) 371-2288. Providers update this record themselves, so call before visiting.
How can I verify Frank V. Linn, M.D.'s license?
NPPES lists Massachusetts license number 58433, 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 Frank V. Linn, M.D. prescribe under Medicare Part D?
In 2024, Frank V. Linn, M.D. had 517 Medicare Part D claims for 218 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.