NPPES file of Aug 9, 2026

Mark Aaron Jacknin, D.O.

Family Medicine Physician · New York, NY

Mark Aaron Jacknin, D.O. is a family medicine physician with a practice address in New York, New York, and NPI 1033179338, issued on Mar 23, 2006. Check the license (New York 230171, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033179338
Name
Mark Aaron Jacknin
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
230171 NY
Self-reported in NPPES; status is on the state search
Practice location
4405 Broadway, New York, NY 10040
Phone
(212) 740-2020
Enumerated
Mar 23, 2006
Record last updated
Sep 1, 2023
Fax
(646) 666-0280
Medicaid ID
02716663 NY
Medicare enrollment
Enrolled (PECOS I20051109001167); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 2002
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 4405 Broadway

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

  1. Maria Baez, NPFamily Nurse Practitioner1487026522
  2. Alberto De Castro, PHYSICAL THERAPYPhysical Therapist1720227226
  3. Maria Diaz, M.D.Internal Medicine Physician1316991417
  4. Rhoda Galawanji, FNPFamily Nurse Practitioner1235782848
  5. Judd Garson, DDSGeneral Practice Dentistry1982825691
  6. Seong Chul HaAcupuncturist1336485531

Verify Mark Aaron Jacknin 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 230171
    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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44% fewer Medicare Part D claims than the average family medicine physician in 2024

1,968 Medicare Part D claims for 287 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Mark Jacknin1,968
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium210 claims
  2. Amlodipine Besylate109 claims
  3. Metformin Hcl87 claims
  4. Fluticasone Propionate82 claims
  5. Lisinopril76 claims
  6. Gabapentin64 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.

Bills Medicare through one group practice

  1. Griffin Myers Medical PCJamaica, NY

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

Mark Aaron Jacknin among 6,417 family medicine physician records in New York

Mark Aaron Jacknin, D.O. is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 58% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2002 · median 2007 among the 4,188 with a school on file
  • Record last updated2023 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in New York

There are 6,417 family medicine physician records in New York.

The 8 family medicine physician records with the nearest ZIP codes

  1. Sherin Janardhanan, FNPNew York, NY 100401477111490
  2. Harvey Lewit, D.O.New York, NY 100401467699975
  3. Vladimir Moliver, M.D.,D.O.New York, NY 100401942226485
  4. Andres Pereira, M.D.New York, NY 100401497824817
  5. Suey Wong Urena, MDNew York, NY 100401205329372
  6. David Adlerstein, M.D.New York, NY 100411407295371
  7. Olga Baratt, M.DNew York, NY 100411972682839
  8. Irina Belkina, MDNew York, NY 100411831421098

Common questions

What is Mark Aaron Jacknin, D.O.'s NPI number?

Mark Aaron Jacknin, D.O.'s National Provider Identifier (NPI) is 1033179338, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Aaron Jacknin, D.O. located?

The NPPES record lists a practice address at 4405 Broadway, New York, NY, 10040. Phone: (212) 740-2020. Providers update this record themselves, so call before visiting.

How can I verify Mark Aaron Jacknin, D.O.'s license?

NPPES lists New York license number 230171, 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 Aaron Jacknin, D.O. prescribe under Medicare Part D?

In 2024, Mark Aaron Jacknin, D.O. had 1,968 Medicare Part D claims for 287 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.