Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mark Harris Haltrecht, DO

Individual provider Family Medicine Physician · NPI 1366510620

Dr. Mark Harris Haltrecht, DO is a Family Practice in Merrick, New York. Graduated from Philadelphia College of Osteopathic Medicine in 2004, 22 years ago. Practices with Doctors Medical Office PLLC, a 2-clinician group and offers telehealth. Licensed in New York.

Years since qualifying
22
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1825 Merrick Rd
Merrick, NY 11566-4559
Phone: (516) 867-5132
Fax: (516) 867-5519
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 242484 (NY)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 242484 (NY)

Record details

NPI number1366510620
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedDecember 2, 2006
Last updated in NPPESJanuary 7, 2026
Certification dateJanuary 7, 2026
Mailing address1825 Merrick Rd, Merrick, NY 11566-4559

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2004 (22 years in practice)
Group practice Doctors Medical Office Pllc — 2 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

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