NPPES file of Aug 9, 2026

Mark Harris Haltrecht, D.O.

Family Medicine Physician · Merrick, NY

Mark Harris Haltrecht, D.O. is a family medicine physician with a practice address in Merrick, New York, and NPI 1366510620, issued on Dec 2, 2006. Check the license (New York 242484, 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
1366510620
Name
Mark Harris Haltrecht
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
242484 NY
Self-reported in NPPES; status is on the state search
Practice location
1825 Merrick RD, Merrick, NY 11566
Phone
(516) 867-5132
Enumerated
Dec 2, 2006
Record last updated
Jan 7, 2026
Fax
(516) 867-5519
Medicaid ID
02891752 NY
Medicare enrollment
Enrolled (PECOS I20070815000452); may accept Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2004
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 1825 Merrick RD

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

  1. Helga Gentile, D.D.S.Pediatric Dentistry1295031888
  2. John Melinski, D.M.DPediatric Dentistry1013936426
  3. David Tesser, MDPlastic Surgery Physician1255373098

Verify Mark Harris Haltrecht 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 242484
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

15% more Medicare Part D claims than the average family medicine physician in 2024

4,090 Medicare Part D claims for 543 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Mark Haltrecht4,090
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium274 claims
  2. Rosuvastatin Calcium223 claims
  3. Amlodipine Besylate164 claims
  4. Levothyroxine Sodium143 claims
  5. Losartan Potassium140 claims
  6. Metformin Hcl139 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).

Industry payments in 2024: $216.05

11 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Haltrecht$216.05
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Doctors Medical Office PLLCMerrick, NY

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

9 family medicine physician records list a practice address in Merrick

They are 9 of the 782 NPPES records with a practice address in Merrick, and 6,417 family medicine physician records in New York.

Other family medicine physician records in New York

  1. Alexandra AaronsGlens Falls, NY1417342361
  2. Stuart Aaronson, M.D.New York, NY1336513100
  3. Sharon Abara-Palaganas, MDBrooklyn, NY1952529158
  4. Daniel AbbeySyosset, NY1063867687
  5. Mary Claire Abbot, MDNew York, NY1215322383
  6. Heather Abdalla, FNP-CHorseheads, NY1164076907
  7. Higer Abdallah, NPPatchogue, NY1528662400
  8. Aya Abdelfattah, MBBCH, MPHSchenectady, NY1821676206
  9. Basil Abdeljaber, M.D.White Plains, NY1831354323
  10. Sarah Abdelsayed, MDBuffalo, NY1093065138

Common questions

What is Mark Harris Haltrecht, D.O.'s NPI number?

Mark Harris Haltrecht, D.O.'s National Provider Identifier (NPI) is 1366510620, issued on Dec 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Harris Haltrecht, D.O. located?

The NPPES record lists a practice address at 1825 Merrick RD, Merrick, NY, 11566. Phone: (516) 867-5132. Providers update this record themselves, so call before visiting.

How can I verify Mark Harris Haltrecht, D.O.'s license?

NPPES lists New York license number 242484, 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 Harris Haltrecht, D.O. prescribe under Medicare Part D?

In 2024, Mark Harris Haltrecht, D.O. had 4,090 Medicare Part D claims for 543 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Mark Harris Haltrecht, D.O.'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.