Doctor profile · Federal record

Dr. Jason Hemming, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Haverhill, MA

  • NPI 1184712010
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Park Way
Haverhill, MA 018306278
(978) 521-3235
fax (978) 521-3236

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 14, 2020
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Massachusetts #230212
Medicaid (2)
NH #30209313 · MA #110084663A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184712010. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,520
Distinct HCPCS
10
Medicare allowed
$164,472
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 444 136 $36
99214 Established patient office or other outpatient visit, 30-39 minutes 260 218 $130
45380 Biopsy of large bowel using a flexible endoscope 159 159 $88
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 135 132 $95
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 103 103 $249
99204 New patient office or other outpatient visit, 45-59 minutes 90 90 $167
99215 Established patient office or other outpatient visit, 40-54 minutes 64 59 $180
88312 Special stained specimen slides to identify organisms including interpretation and report 56 35 $91
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 45 45 $183
99213 Established patient office or other outpatient visit, 20-29 minutes 38 34 $90

In context: peer comparison

Among 2 peers in this city , average services per provider: 79. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
785
Patients
264
Total drug cost
$564,870
Drug Type Claims Patients Total cost
Omeprazole Generic 271 128 $6,538
Pantoprazole Sodium Generic 113 39 $2,787
Famotidine Generic 83 32 $1,283
Dicyclomine Hcl Generic 71 24 $1,176
Ondansetron Hcl Generic 44 11 $638
Linzess (Linaclotide) Brand 40 15 $27,419
Mesalamine Generic 24 0 $16,032
Esomeprazole Magnesium Generic 20 0 $749
Stelara (Ustekinumab) Brand 19 0 $487,581
Colestipol Hcl Generic 18 0 $3,804

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Hemming's medical specialty?
Dr. Jason Hemming practices Gastroenterology Physician in Haverhill, MA.
Where does Dr. Jason Hemming practice?
Dr. Jason Hemming practices at 1 Park Way, Haverhill, MA 018306278. Office phone: 9785213235.
What is Dr. Jason Hemming's NPI?
Dr. Jason Hemming's National Provider Identifier (NPI) is 1184712010, issued by NPPES.
Does Dr. Jason Hemming accept Medicare assignment?
Yes. Dr. Jason Hemming accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Hemming commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.