Jason M. Hemming, M.D.
Gastroenterology Physician · Haverhill, MA
Jason M. Hemming, M.D. is a gastroenterology physician with a practice address in Haverhill, Massachusetts, and NPI 1184712010, issued on Oct 10, 2006. Check the license (Massachusetts 230212, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jason M. Hemming
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 230212 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Park Way, Haverhill, MA 01830
- Phone
- (978) 521-3235
- Enumerated
- Oct 10, 2006
- Record last updated
- Jul 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (978) 521-3236
- Medicaid IDs
- 30209313 NH
110084663A MA - Medicare enrollment
- Enrolled (PECOS I20100830000274); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Also registered at 1 Park Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sara Brum, PA-CPhysician Assistant1477151959
- Emily Dulude, M.D.Nephrology Physician1477661791
- Lisa Gruber, M.D.Pediatrics Physician1942291679
- Judy Howell, N.P.Adult Health Nurse Practitioner1952458432
- John King, MDFamily Medicine Physician1790771269
- Robin Kornegay-Rougeau, M.D.Pediatrics Physician1760465397
Verify Jason M. Hemming in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 230212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average gastroenterology physician in 2024
1,089 Medicare Part D claims for 280 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Omeprazole331 claims
- Pantoprazole Sodium121 claims
- Famotidine79 claims
- Linzess72 claims
- Dicyclomine Hcl52 claims
- Colestipol Hcl38 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Mass General Brigham Community Physicians IncHaverhill, MA
- Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA
- Mass General Brigham Medical Group, Inc.Salem, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason M. Hemming among 686 gastroenterology physician records in Massachusetts
Jason M. Hemming, M.D. is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2004 · median 2004 among the 491 with a school on file
- Record last updated2020 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts.
All 686 in Massachusetts → Every provider in Haverhill → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ali Hashmi, M.B.B.SHaverhill, MA 018301336473172
- Francis Macmillan, M.D.Haverhill, MA 018301053316620
- Norman Miller, MDHavenhill, MA 018301235136367
- Bridget Seymour, M.D.Haverhill, MA 018301811104789
- Michael Thiim, M.D.Haverhill, MA 018301902801509
- Geetanjali Akerkar, M.D.Chelmsford, MA 018241144289166
- Joseph Dailey, MDChelmsford, MA 018241356878920
- Paul Gilmore, M.D.Chelmsford, MA 018241750340220
Common questions
What is Jason M. Hemming, M.D.'s NPI number?
Jason M. Hemming, M.D.'s National Provider Identifier (NPI) is 1184712010, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jason M. Hemming, M.D. located?
The NPPES record lists a practice address at 1 Park Way, Haverhill, MA, 01830. Phone: (978) 521-3235. Providers update this record themselves, so call before visiting.
How can I verify Jason M. Hemming, M.D.'s license?
NPPES lists Massachusetts license number 230212, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jason M. Hemming, M.D. prescribe under Medicare Part D?
In 2024, Jason M. Hemming, M.D. had 1,089 Medicare Part D claims for 280 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.