Doctor profile · Federal record

Dr. Michael Demarest, PA

Physician Assistant · New York, NY

  • NPI 1841248747
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 E 77Th St
New York, NY 100211850
(212) 434-2650
fax (212) 434-4512

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 20, 2010
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New York #005865
Medicaid
NY #01868506

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841248747. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
460
Distinct HCPCS
10
Medicare allowed
$31,356
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 192 178 $90
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 65 65 $50
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 46 46 $41
99203 New patient office or other outpatient visit, 30-44 minutes 35 35 $113
71046 X-ray of chest, 2 views 27 16 $18
99214 Established patient office or other outpatient visit, 30-39 minutes 24 24 $127
81003 Automated urinalysis test 22 21 $2
87804 Detection test by immunoassay with direct visual observation for influenza virus 18 18 $16
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 16 16 $16
99212 Established patient office or other outpatient visit, 10-19 minutes 15 15 $57

In context: peer comparison

Among 206 peers in New York Physician Assistant, average services per provider: 65. This provider delivers 7.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
419
Patients
409
Total drug cost
$5,026
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 111 106 $1,355
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 54 54 $563
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 52 50 $1,379
Doxycycline Hyclate Generic 49 49 $682
Prednisone Generic 46 46 $84
Amoxicillin Generic 36 36 $185
Cephalexin Generic 22 21 $152
Clindamycin Hcl Generic 19 19 $154
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 19 17 $315
Promethazine Hcl Generic 11 11 $156

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Demarest's medical specialty?
Dr. Michael Demarest practices Physician Assistant in New York, NY.
Where does Dr. Michael Demarest practice?
Dr. Michael Demarest practices at 100 E 77Th St, New York, NY 100211850. Office phone: 2124342650.
What is Dr. Michael Demarest's NPI?
Dr. Michael Demarest's National Provider Identifier (NPI) is 1841248747, issued by NPPES.
Does Dr. Michael Demarest accept Medicare assignment?
Yes. Dr. Michael Demarest accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Demarest commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (HCPCS 87635); Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (HCPCS 87811). Source: CMS Medicare Physician & Other Practitioners file.