NPPES file of Aug 9, 2026

Mark Allen Finger, M.D.

Nephrology Physician · Stony Brook, NY

Mark Allen Finger, M.D. is a nephrology physician with a practice address in Stony Brook, New York, and NPI 1710984125, issued on Jun 30, 2005. Check the license (New York 175861, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710984125
Name
Mark Allen Finger
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
175861 NY
Self-reported in NPPES; status is on the state search
Practice location
2500 Route 347, Stony Brook, NY 11790
Phone
(631) 689-7800
Enumerated
Jun 30, 2005
Record last updated
Jan 3, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(631) 689-3016
Medicaid ID
01353548 NY
Medicare enrollment
Enrolled (PECOS I20101207000933); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 1987
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2500 Route 347

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carmichael Angeles, M.D.Nephrology Physician1689671190
  2. Mark Bernstein, MDRheumatology Physician1710909502
  3. Nicolae Caraiani, M.D.Nephrology Physician1700887924
  4. Kelly Kreis, RN, LMTNurse Massage Therapist (NMT)1356615504
  5. Brooke Moore, M.D.Nephrology Physician1205833704
  6. Elyse Rafal, M.D.Dermatology Physician1477515781

Verify Mark Allen Finger 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 175861
    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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90% fewer Medicare Part D claims than the average nephrology physician in 2024

150 Medicare Part D claims for 35 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Mark Finger150
  2. Specialty average1,465

Most prescribed

  1. Potassium Citrate Er31 claims
  2. Metoprolol Succinate11 claims
  3. Torsemide11 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.

The MIPS final score for 2023 (Medicare payment program): 91.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%91.7
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. North Shore-Lij Medical PCGreat Neck, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Allen Finger among 1,049 nephrology physician records in New York

Mark Allen Finger, M.D. is one of 1,049 nephrology physician records with a practice address in New York. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1987 · median 1999 among the 764 with a school on file
  • Record last updated2012 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in New York

There are 1,049 nephrology physician records in New York.

The 8 nephrology physician records with the nearest ZIP codes

  1. Carmichael Angeles, M.D.Stony Brook, NY 117901689671190
  2. Nicolae Caraiani, M.D.Stony Brook, NY 117901700887924
  3. Mitchell Kirsch, M.D.Stony Brook, NY 117901184621500
  4. Claudio Martincic, DOStony Brook, NY 117901710998182
  5. Brooke Moore, M.D.Stony Brook, NY 117901205833704
  6. Rula Abdulrahman, M.D.Stony Brook, NY 117941790180776
  7. Mansoor AhmedStony Brook, NY 117941366154742
  8. Imran ChaudhriStony Brook, NY 117941689170557

Common questions

What is Mark Allen Finger, M.D.'s NPI number?

Mark Allen Finger, M.D.'s National Provider Identifier (NPI) is 1710984125, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Allen Finger, M.D. located?

The NPPES record lists a practice address at 2500 Route 347, Stony Brook, NY, 11790. Phone: (631) 689-7800. Providers update this record themselves, so call before visiting.

How can I verify Mark Allen Finger, M.D.'s license?

NPPES lists New York license number 175861, 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.

How much does Mark Allen Finger, M.D. prescribe under Medicare Part D?

In 2024, Mark Allen Finger, M.D. had 150 Medicare Part D claims for 35 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Mark Allen Finger, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.