Keith R Fish, MD - Medicare Internal Medicine in Lebanon, NH

Keith R Fish, MD is a medicare enrolled "Internal Medicine" physician in Lebanon, New Hampshire. His current practice location is 1 Medical Center Drive, Dhmc Dept Of Sleep Medicine, Lebanon, New Hampshire. You can reach out to his office (for appointments etc.) via phone at (603) 650-3630.

Keith R Fish is licensed to practice in Connecticut (license number 1382969) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1861504110.

Contact Information

Keith R Fish, MD
1 Medical Center Drive, Dhmc Dept Of Sleep Medicine,
Lebanon, NH 03756-0001
(603) 650-3630
Not Available

Map and Direction




Physician's Profile

Full NameKeith R Fish
GenderMale
SpecialityInternal Medicine
Location1 Medical Center Drive, Lebanon, New Hampshire
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1861504110
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 10/07/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 5991877128
  • Enrollment ID: I20080703000511

Medical Identifiers

Medical identifiers for Keith R Fish such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861504110NPI-NPPES
2V5140OtherHEALTHNET
36549485OtherTRI-CARE
010038296CT03OtherANTHEM BCBS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 1382969 (Connecticut)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Keith R Fish allows following entities to bill medicare on his behalf.
Entity NameSigma Health Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720035843
PECOS PAC ID: 2961305693
Enrollment ID: O20040130000006
Entity NameNorthshore University Healthsystem Faculty Practice Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497701882
PECOS PAC ID: 2163334699
Enrollment ID: O20040524000118

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Keith R Fish is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Keith R Fish, MD
1 Medical Center Drive, Dhmc Dept Of Sleep Medicine,
Lebanon, NH 03756-0001

Ph: (603) 650-3630
Keith R Fish, MD
1 Medical Center Drive, Dhmc Dept Of Sleep Medicine,
Lebanon, NH 03756-0001

Ph: (603) 650-3630

Reviews and Comments


Internal Medicine Doctors in Lebanon, NH

Elias Loukas, M.D.
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Dr. Michael W Winter, MD
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Hannah Elizabeth Foote Bensimhon, M.D.
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Victoria Forbes, MD
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Practice Location: 1 Medical Center Dr, Lebanon, NH 03756
Phone: 603-650-5516    
Zanira Fazal, M.D.
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Practice Location: 18 Old Etna Rd, Lebanon, NH 03766
Phone: 603-650-4000    
Susan Si-yao Wang, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1 Medical Center Dr, Dartmouth-hitchcock Medical Ctr, Department Of Medicine, Lebanon, NH 03756
Phone: 603-650-9480    
Mark Edward Splaine, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1 Medical Center Dr, Dhmc Section Of General Internal Medicine, Lebanon, NH 03756
Phone: 603-653-9500    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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