Doctor profile · Federal record

Dr. Harold Keiser, MD

Rheumatology Physician · Bronx, NY

  • NPI 1245320951
  • MIPS 100.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Montefiore Medical Park, 1515 Blondell Avenue, Ste. 220
Bronx, NY 10461
(718) 405-8323
Mailing address
606 Maitland Ave
Teaneck, NJ 076662201

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
New York #105395

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245320951. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
41
Distinct HCPCS
2
Medicare allowed
$2,691
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 28 16 $77
99212 Established patient office or other outpatient visit, 10-19 minutes 13 11 $42

In context: peer comparison

Among 12 peers in this city , average services per provider: 324. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
779
Patients
113
Total drug cost
$976,755
Drug Type Claims Patients Total cost
Prednisone Generic 122 30 $1,122
Methotrexate (Methotrexate Sodium) Brand 100 27 $6,547
Gabapentin Generic 82 21 $1,882
Cyclobenzaprine Hcl Generic 80 24 $620
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 62 0 $2,891
Enbrel Sureclick (Etanercept) Brand 50 0 $553,885
Leflunomide Generic 40 11 $7,076
Zolpidem Tartrate Generic 39 0 $209
Allopurinol Generic 35 0 $776
Pregabalin Generic 34 0 $3,857

Frequently asked questions

Auto-generated from federal data
What is Dr. Harold Keiser's medical specialty?
Dr. Harold Keiser practices Rheumatology Physician in Bronx, NY.
Where does Dr. Harold Keiser practice?
Dr. Harold Keiser practices at Montefiore Medical Park, Bronx, NY 10461. Office phone: 7184058323.
What is Dr. Harold Keiser's NPI?
Dr. Harold Keiser's National Provider Identifier (NPI) is 1245320951, issued by NPPES.
What procedures does Dr. Harold Keiser commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.