FRANK V JR. LINN (M.D.) – Gastroenterology Physician, NPI 1639250327

FRANK V JR. LINN (M.D.) is a healthcare provider. based in Concord, Massachusetts. specializing in GASTROENTEROLOGY, INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 58433 (MA). The NPI Number for FRANK V JR. LINN (M.D.) is 1639250327

Main info

Male
Sole Proprietor
43 Years Of Experience
Accepts Medicare Assignment
Name
FRANK V JR. LINN (M.D.)
NPI
1639250327
Phone
(978) 371-2288
Address
131 OLD ROAD TO NINE ACRE CORNER
Enumeration Date
18 October 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
UNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Secondary Phone
9784292010
Graduation Year
1983 (43 years ago)
PAC ID
8921080060
Group Practice PAC ID
6800819566
Professional Enrollment ID
I20040603000149
Address ID
MA017204482AC45XXXWAYX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

828 GASTROENTEROLOGY in MA

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Provider Addresses for FRANK V JR. LINN (M.D.)

  • 131, Old Road to Nine Acre Corner, Concord, Middlesex County, Massachusetts, 01742, United States

    JOHN CUMING BUILDING SUITE 540

    CONCORD, MA 01742

    Phone: (978) 371-2288

    Fax: (978) 371-9153

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 186 Open Payments records for all available years, with a total value of $4,482.

Total Amount is formed as General ($4,482) + Research ($0) + Ownership ($0) = $4,482.

Last reported payment date: 2024-12-23 • Largest payer in this snapshot: ABBVIE INC. ($815).

Total Amount

$4,482

General + Research + Ownership

Payments

186

Total payment records

General Amount

$4,482

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-23

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-06-03

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040603000149IGastroenterologyMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes11782$0
99214Established patient office or other outpatient visit, 30-39 minutes10284$0
45380Biopsy of large bowel using a flexible endoscope5857$0
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope3836$0
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare3333$0
View full utilization report →

Insurance plans in this area (ZIP 01742)

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Provider's Procedures

FRANK V JR. LINN (M.D.) performs procedures in GASTROENTEROLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
GASTROENTEROLOGYMA45378Diagnostic examination of large bowel using an endoscope1918
GASTROENTEROLOGYMA45385Removal of polyps or growths of large bowel using an endoscope3434

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6800819566View full group profile
NameSpecialtyState
-MA
Gastroenterology, Internal MedicineMA
G A S T R O E N T E R O L O G YMA
G A S T R O E N T E R O L O G YMA
-MA
Registered Dietitian Or Nutrition ProfessionalMA
G A S T R O E N T E R O L O G YMA
G A S T R O E N T E R O L O G YMA
Physician AssistantMA
-MA

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Frequently asked questions

Where can patients find FRANK V JR. LINN (M.D.)'s NPI?
You can confirm FRANK V JR. LINN (M.D.) with NPI 1639250327; it appears in the national provider directory.
Does this profile mean FRANK V JR. LINN (M.D.) is currently active?
Yes — FRANK V JR. LINN (M.D.) appears active in the national provider directory.
Does FRANK V JR. LINN (M.D.) list a primary specialty?
If you are matching referrals, note Gastroenterology Physician for FRANK V JR. LINN (M.D.). Clinical services aligned with this taxonomy classification.
Where does public data place FRANK V JR. LINN (M.D.)?
The snapshot lists Concord, Massachusetts for FRANK V JR. LINN (M.D.); download NPPES for the complete set.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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