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

Mr. Dirk F Hartog, PT

Individual provider Physical Therapist · NPI 1255567590

Mr. Dirk F Hartog, PT is registered under Physical Therapist in Private Practice in New York, New York. Qualified in 2008, 18 years ago. Practices with Marika Molnar Physical Therapist PC, a 9-clinician group. Licensed in New York.

Years since qualifying
18
Licensed in
NY
In the registry since
2009
What do these letters mean?
PT — Physical Therapist
A licensed therapist who treats movement, pain and injury.

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Practice location Address checks out

53 Columbus Ave
New York, NY 10023-6909 Not confirmed with CMS for 17 years — call before visiting
Phone: (212) 541-8450
Fax: (212) 541-8582
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 031407-1 (NY)

Record details

NPI number1255567590
Entity typeIndividual (Type 1)
GenderMale
Credentials PT
Sole proprietorNo
NPI enumeratedJune 1, 2009
Last updated in NPPESJune 1, 2009

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Marika Molnar Physical Therapist Pc — 9 clinicians
Accepts Medicare assignment Not indicated

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients27
Services billed 1,803 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Marika Molnar Physical Therapist PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

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