NPPES file of Aug 9, 2026

Ronald C. Hartfelder, MD

Gastroenterology Physician · Salem, MA

Ronald C. Hartfelder, MD is a gastroenterology physician with a practice address in Salem, Massachusetts, and NPI 1053312397, issued on Aug 9, 2005. Check the license (Massachusetts 59277, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053312397
Name
Ronald C. Hartfelder
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
59277 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Highland Ave, Salem, MA 01970
Phone
(978) 741-4171
Enumerated
Aug 9, 2005
Record last updated
Apr 14, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(978) 741-4283
Medicaid ID
3038025 MA
Medicare enrollment
Enrolled (PECOS I20050414001271); accepts Medicare assignment
Medical or professional school
University Of Utah School Of Medicine, 1983
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 55 Highland Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Betsy August, MDObstetrics & Gynecology Physician1346231271
  2. Stephen BrauningerAudiologist1104918978
  3. Kristin BresnahanAudiologist1396857827
  4. Gregg Brodsky, MDGastroenterology Physician1750375119
  5. Ashley Brooks, LICSWSocial Worker1518243856
  6. Venetia Carney Breene, LICSWClinical Social Worker1336613819

Verify Ronald C. Hartfelder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 59277
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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2.3 times the Medicare Part D claims of the average gastroenterology physician in 2024

1,828 Medicare Part D claims for 380 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Ronald Hartfelder1,828
  2. Specialty average811

Most prescribed

  1. Omeprazole303 claims
  2. Famotidine161 claims
  3. Linzess140 claims
  4. Pantoprazole Sodium140 claims
  5. Creon72 claims
  6. Gavilyte-G57 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.

Industry payments in 2024: $194.24

4 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ronald Hartfelder$194.24
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gastroenterology Physician providers in Massachusetts

There are 686 gastroenterology physician records in Massachusetts.

Other gastroenterology physician records in Massachusetts

  1. Robert Aaron, MDStoneham, MA1962694323
  2. Michael Aaronson, MDBeverly, MA1366547739
  3. Diane Abraczinskas, MDBoston, MA1811988488
  4. Nitin Aggarwal, M.D.North Chelmsford, MA1407145402
  5. Jaya Agrawal, M.D.Florence, MA1316979842
  6. Heidi Ahmed, M.D.North Chelmsford, MA1801276472
  7. Lynne Ahn, MDFramingham, MA1144269143
  8. Hiroyuki Aihara, M.D.Boston, MA1619395795
  9. Mona AkbariSouth Weymouth, MA1871720037
  10. Geetanjali Akerkar, M.D.Chelmsford, MA1144289166

Common questions

What is Ronald C. Hartfelder, MD's NPI number?

Ronald C. Hartfelder, MD's National Provider Identifier (NPI) is 1053312397, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ronald C. Hartfelder, MD located?

The NPPES record lists a practice address at 55 Highland Ave, Salem, MA, 01970. Phone: (978) 741-4171. Providers update this record themselves, so call before visiting.

How can I verify Ronald C. Hartfelder, MD's license?

NPPES lists Massachusetts license number 59277, 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 Ronald C. Hartfelder, MD prescribe under Medicare Part D?

In 2024, Ronald C. Hartfelder, MD had 1,828 Medicare Part D claims for 380 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.