NPPES file of Aug 9, 2026

Lynn Hallarman, M.D.

Internal Medicine Physician · Stony Brook, NY

Lynn Hallarman, M.D. is an internal medicine physician with a practice address in Stony Brook, New York, and NPI 1689778078, issued on Sep 7, 2006. Check the license (New York 200475, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689778078
Name
Lynn Hallarman
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
200475 NY
Self-reported in NPPES; status is on the state search
Practice location
Hsc T15, Room 020, Stony Brook, NY 11794
Phone
(631) 444-2059
Enumerated
Sep 7, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Lynn Hallarman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 200475
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Lynn Hallarman among 12,067 internal medicine physician records in New York

Lynn Hallarman, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2007 · 61% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

121 internal medicine physician records list a practice address in Stony Brook

They are 121 of the 3,053 NPPES records with a practice address in Stony Brook, and 12,067 internal medicine physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Robert Abdullah, M.D.Stony Brook, NY 117941700079100
  2. Patricia Boromee, MDStony Brook, NY 117941982700993
  3. Roderick Go, DOStony Brook, NY 117941558486555
  4. Jennifer Hensley, M.D.Stony Brook, NY 117941881702124
  5. Kyung Ho Kim, MDStony Brook, NY 117941063687929
  6. Olena Ksovreli, M.D.Stony Brook, NY 117941821063041
  7. Patrick Lynch, MDStony Brook, NY 117941841495256
  8. Sarah Pestieau, M.D.Stony Brook, NY 117941043499981

Common questions

What is Lynn Hallarman, M.D.'s NPI number?

Lynn Hallarman, M.D.'s National Provider Identifier (NPI) is 1689778078, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lynn Hallarman, M.D. located?

The NPPES record lists a practice address at Hsc T15, Room 020, Stony Brook, NY, 11794. Phone: (631) 444-2059. Providers update this record themselves, so call before visiting.

How can I verify Lynn Hallarman, M.D.'s license?

NPPES lists New York license number 200475, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.