DR. TIRUNELLAI RANGANATHAN SHANKAR (MD) – Surgery Physician, NPI 1780700856

DR. TIRUNELLAI RANGANATHAN SHANKAR (MD) is a healthcare provider. based in Skowhegan, Maine. specializing in GENERAL SURGERY. They hold the professional credentials MD. They hold a License No. MD17663 (ME). The NPI Number for DR. TIRUNELLAI RANGANATHAN SHANKAR (MD) is 1780700856

Main info

Male
Accepts Medicare Assignment
Name
DR. TIRUNELLAI RANGANATHAN SHANKAR (MD)
NPI
1780700856
Phone
(207) 474-7045
Address
PO BOX 468
Enumeration Date
21 March 2007
Last Update Date
3 July 2023

Doctor Profile

Medical School Name
UNIVERSITY OF NEVADA SCHOOL OF MEDICINE
Secondary Phone
2074747045
Graduation Year
null (2026 years ago)
PAC ID
2567548209
Group Practice PAC ID
9133018740
Professional Enrollment ID
I20080321000051
Address ID
ME049761481SK46XXXAVEX306
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

218 GENERAL SURGERY in ME

Provider Addresses for DR. TIRUNELLAI RANGANATHAN SHANKAR (MD)

  • PO BOX 468

    SKOWHEGAN, ME 049760468

    Phone: (207) 474-7045

    Fax: (207) 474-5173

    Type: Mailing

  • 46 FAIRVIEW AVE STE 223

    SKOWHEGAN, ME 049761481

    Phone: (207) 474-7045

    Fax: (207) 474-5173

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2008-03-21

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
I20080321000051IGeneral SurgeryMETBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 04976)

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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: 9133018740View full group profile
NameSpecialtyState
Family PracticeDC
Physician AssistantME
Nurse PractitionerME
Orthopedic SurgeryMA
-ME
H O S P I T A L I S TME
Family PracticeME
Internal MedicineME
Cardiovascular Disease (Cardiology)ME
Emergency MedicineME

Reviews

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Frequently asked questions

What federal number belongs to DR. TIRUNELLAI RANGANATHAN SHANKAR (MD)?
The federal identifier for DR. TIRUNELLAI RANGANATHAN SHANKAR (MD) is NPI 1780700856.
Is DR. TIRUNELLAI RANGANATHAN SHANKAR (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What kind of provider is DR. TIRUNELLAI RANGANATHAN SHANKAR (MD)?
The page reflects Surgery Physician for DR. TIRUNELLAI RANGANATHAN SHANKAR (MD). Clinical services aligned with this taxonomy classification.
Does DR. TIRUNELLAI RANGANATHAN SHANKAR (MD) practice in Maine?
You will see Skowhegan, Maine on file for DR. TIRUNELLAI RANGANATHAN SHANKAR (MD) alongside any extra practice locations.
Is DR. TIRUNELLAI RANGANATHAN SHANKAR (MD) a real provider?
This page reflects official NPPES data for NPI 1780700856. Always confirm identity and privileges with the practice and licensing boards.

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