Doctor profile · Federal record

Dr. Forrest Manheimer, MD

Internal Medicine Physician (CMS: Gastroenterology) · New York, NY

  • NPI 1528003381
  • Accepts Medicare
  • MIPS 93.4 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
156 William St, 7Th Fl
New York, NY 100382609
(212) 238-0189
fax (646) 898-4799
Mailing address
Po Box 1057, Peck Slip Station
New York, NY 102721057

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 25, 2013
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #179554

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528003381. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
689
Distinct HCPCS
9
Medicare allowed
$76,909
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 286 153 $66
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 101 96 $120
45378 Diagnostic exam of large bowel using a flexible endoscope 75 73 $209
99203 New patient office or other outpatient visit, 30-44 minutes 58 58 $131
99202 New patient office or other outpatient visit, 15-29 minutes 51 51 $84
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 48 46 $288
36415 Insertion of needle into vein for collection of blood sample 39 35 $8
45380 Biopsy of large bowel using a flexible endoscope 20 20 $157
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $98

In context: peer comparison

Among 559 peers in this city , average services per provider: 137. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
759
Patients
353
Total drug cost
$172,904
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 141 132 $10,195
Omeprazole Generic 127 52 $1,966
Pantoprazole Sodium Generic 114 45 $1,177
Dexlansoprazole Dr (Dexlansoprazole) Brand 91 23 $29,239
Famotidine Generic 56 20 $1,100
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 49 46 $829
Mesalamine Generic 40 0 $21,116
Creon (Lipase/Protease/Amylase) Brand 32 0 $60,697
Clarithromycin Generic 18 18 $592
Sucralfate Generic 18 0 $4,693

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Forrest Manheimer's medical specialty?
Dr. Forrest Manheimer practices Internal Medicine Physician in New York, NY.
Where does Dr. Forrest Manheimer practice?
Dr. Forrest Manheimer practices at 156 William St, New York, NY 100382609. Office phone: 2122380189.
What is Dr. Forrest Manheimer's NPI?
Dr. Forrest Manheimer's National Provider Identifier (NPI) is 1528003381, issued by NPPES.
Does Dr. Forrest Manheimer accept Medicare assignment?
Yes. Dr. Forrest Manheimer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Forrest Manheimer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Diagnostic exam of large bowel using a flexible endoscope (HCPCS 45378). Source: CMS Medicare Physician & Other Practitioners file.