Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Diane Collmar Merenda, DO

Individual provider Anesthesiology Physician · NPI 1487650396

Diane Collmar Merenda, DO practises Anesthesiology in New Hyde Park, New York. Graduated from New York College of Osteo Medicine of New York Institute of Technology in 1989, 37 years ago. Practices with Anesthesia Dynamics LLC, a 880-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
37
Trained at
New York College of Osteo Medicine of New York Institute of Technology
Licensed in
NY
In the registry since
2005
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

2800 Marcus Ave
New Hyde Park, NY 11042-1008 Not confirmed with CMS for 18 years — call before visiting
Phone: (516) 622-7405
Fax: (516) 622-7401
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 195532 (NY)

Record details

NPI number1487650396
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 24, 2005
Last updated in NPPESOctober 17, 2008

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolNEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY
Graduated 1989 (37 years in practice)
Group practice Anesthesia Dynamics Llc — 880 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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 patients403
Services billed 421 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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 Anesthesia Dynamics LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 880 clinicians in the practice; 12 are shown here.

Other providers in New Hyde Park