Doctor profile · Federal record

Dr. Anish Mammen, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · New York, NY

  • NPI 1053574277
  • Accepts Medicare
  • MIPS 96.1 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
310 E 24Th St, Apt 1L
New York, NY 100104012
(617) 513-9508
Mailing address
4760 Union Deposit RD, Ste 100
Harrisburg, PA 171113744

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
December 9, 2020
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Pennsylvania #MD472422

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053574277. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
707
Distinct HCPCS
10
Medicare allowed
$84,139
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 122 87 $78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 109 108 $128
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 66 65 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 56 51 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 54 45 $86
99204 New patient office or other outpatient visit, 45-59 minutes 46 46 $160
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 43 42 $212
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 40 39 $49
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 33 31 $228
43273 Exam of common bile and/or pancreatic duct using a flexible endoscope 31 24 $115

In context: peer comparison

Among 165 peers in this city , average services per provider: 69. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,248
Transactions
75
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 30 $515.94
Janssen Biotech, Inc. 17 $204.06
PFIZER INC. 7 $117.53
Salix Pharmaceuticals, a division of Bausch Health US, LLC 5 $94.46
Regeneron Healthcare Solutions, Inc. 4 $82.27
Merck Sharp & Dohme LLC 3 $69.19
Ardelyx, Inc. 3 $61.00
Takeda Pharmaceuticals U.S.A., Inc. 3 $46.21
Madrigal Pharmaceuticals 1 $26.45
Ipsen Biopharmaceuticals, Inc 1 $15.42
Braintree Laboratories, Inc. 1 $15.01

By nature of payment

Food and Beverage
$1,248

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
434
Patients
179
Total drug cost
$29,252
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 240 108 $5,710
Famotidine Generic 110 42 $1,452
Omeprazole Generic 40 17 $532
Linzess (Linaclotide) Brand 19 12 $20,578
Esomeprazole Magnesium Generic 14 0 $661
Dicyclomine Hcl Generic 11 0 $320

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anish Mammen's medical specialty?
Dr. Anish Mammen practices Gastroenterology Physician in New York, NY.
Where does Dr. Anish Mammen practice?
Dr. Anish Mammen practices at 310 E 24Th St, New York, NY 100104012. Office phone: 6175139508.
What is Dr. Anish Mammen's NPI?
Dr. Anish Mammen's National Provider Identifier (NPI) is 1053574277, issued by NPPES.
Does Dr. Anish Mammen accept Medicare assignment?
Yes. Dr. Anish Mammen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anish Mammen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.