DR. JASON M HEMMING M.D.
NPI 1184712010
Internal Medicine - Gastroenterology in Haverhill, MA

Active since October 10, 2006PECOS EnrolledAccepts Medicare Assignment
1 PARK WAY, HAVERHILL, MA 01830(978) 521-3235(978) 521-3236 Get Directions Write a Review

NPPES record last updated: July 14, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 14, 2020, Mar 31, 2017 (2 updates tracked since 2017).

About Dr. Jason M Hemming M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JASON M HEMMING M.D. (NPI 1184712010) is an individual gastroenterology provider in Haverhill, Massachusetts, licensed in Massachusetts (230212) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and is a graduate of Tufts University School Of Medicine (2004).

NPPES Registry Identity

NPI1184712010
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JASON M HEMMINGCredential: M.D.
Location Address1 PARK WAYHaverhill, MA 01830-6278
Mailing Address1 Park WayHaverhill, MA 01830-6278 · (978) 521-3235 · Fax (978) 521-3236
Fax(978) 521-3236
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2004
Enumeration DateOctober 10, 2006
Last NPPES UpdateJuly 14, 20202 updates tracked since enumeration
NPPES CertifiedJuly 14, 2020
✔ NPI 1184712010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MA · 230212
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1 PARK WAY, Haverhill, MA 01830

Other Identifiers 14

Other3313842MA · Cigna
Other9586474MA · Aetna Non Hmo
Medicaid110084663AMA
Other1184712010MA · Evercare
Other1184712010MA · Fallon Community Health Plan
Medicaid30209313NH
Other754812MA · Tufts
Other1184712010MA · Anthem
Other0592888MA · Neighborhood Health Plan
Other1184712010MA · Boston Medical Center
Other94461101MA · Network Health
OtherAA175770MA · Hphc
Other1184712010MA · Bcbs
Other1184712010MA · Aetna

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jason M Hemming M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628192507
PECOS Enrollment IDI20100830000274, I20230421002366
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Jason Hemming reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1 PARKWAY
Haverhill, MA 01830
  • Reassigned Medicare billing, Massachusetts enrollment
  • 350 clinicians in this Medicare group
Internal Medicine
30 TUSCAN BOULEVARD
Salem, NH 03079
  • Reassigned Medicare billing, New Hampshire enrollment
  • 83 clinicians in this Medicare group
Emergency Medicine
81 HIGHLAND AVE
Salem, MA 01970
  • Reassigned Medicare billing, Massachusetts enrollment
  • 994 clinicians in this Medicare group
Cardiovascular Disease
541 MAIN ST, SUITE 400
South Weymouth, MA 02190
  • Reassigned Medicare billing, Massachusetts enrollment
  • 419 clinicians in this Medicare group
Internal Medicine
143 LONGWATER DRIVE
Norwell, MA 02061
  • Reassigned Medicare billing, Massachusetts enrollment
  • 346 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
458 services163 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
269 services217 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
216 services216 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
173 services173 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
141 services139 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
64 services56 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Anna Jaques Hospital

Acute Care Hospitals · Newburyport, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220029
Location25 Highland AvenueNewburyport, MA 01950 · Essex County
Emergency services Birthing friendly

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Holy Family Hospital

Acute Care Hospitals · Methuen, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220080
Location70 East StreetMethuen, MA 01844 · Essex County
Emergency services Birthing friendly

Wentworth-Douglass Hospital

Acute Care Hospitals · Dover, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300018
Location789 Central AveDover, NH 03820 · Strafford County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01830 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinical Medical Laboratory
1 PARK WAY, 3RD FL
HAVERHILL, MA 01830
Pathology (Anatomic Pathology & Clinical Pathology)
1 PARK WAY
HAVERHILL, MA 01830
Pathology (Anatomic Pathology & Clinical Pathology)
1 PARK WAY
HAVERHILL, MA 01830
Nurse Practitioner (Family)
1 PARK WAY
HAVERHILL, MA 01830
Nurse Practitioner (Pediatrics)
1 PARK WAY
HAVERHILL, MA 01830
Internal Medicine
1 PARK WAY
HAVERHILL, MA 01830
Internal Medicine (Cardiovascular Disease)
1 PARK WAY
HAVERHILL, MA 01830
Nurse Practitioner (Family)
1 PARK WAY
HAVERHILL, MA 01830

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jason Hemming's NPI number?

The NPI number for Jason Hemming is 1184712010. It was assigned to this individual provider in the NPPES registry on October 10, 2006.

Where is Jason Hemming located?

Jason Hemming practices at 1 Park Way, Haverhill, MA 01830. The listed phone number is (978) 521-3235.

What is Jason Hemming's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Jason Hemming enrolled in Medicare?

Yes. Jason Hemming is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jason Hemming's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Hemming reassigns Medicare benefits to 5 organizations: Mass General Brigham Community Physicians Inc. (Haverhill, MA), Mass General Brigham Medical Group, Inc. (Salem, NH), Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, MA), Harbor Medical Associates, Inc. (South Weymouth, MA) and South Shore Medical Center, Inc. (Norwell, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Hemming's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jason Hemming accept?

Health plans from Anthem Blue Cross and Blue Shield, Taro Health and WellSense Health Plan list Jason Hemming as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jason Hemming affiliated with any hospitals?

According to CMS data, Jason Hemming is affiliated with Anna Jaques Hospital, North Shore Medical Center -, Massachusetts General Hospital, Holy Family Hospital and Wentworth-Douglass Hospital.

When was this NPI record last updated?

The NPPES record for Jason Hemming was last updated on July 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.