Registry data as of Aug 27, 2026

Gerald Chase, M.D.

Internal Medicine Physician · Worcester, MA

Gerald Chase, M.D. is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1720061468, issued on Nov 28, 2005. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1720061468
Name
Gerald Chase
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
367 Plantation St, Worcester, MA 01605
Phone
(508) 334-1443
Enumerated
Nov 28, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 367 Plantation St

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

  1. Demosthenes Agiomavritis, M.D.Internal Medicine Physician1386850691
  2. Robert Babineau, M.D.Family Medicine Physician1972542967
  3. William Corbett, M.D.Internal Medicine Physician1033192778
  4. Seth Curtis, MDFamily Medicine Physician1245572072
  5. Danielle Hebert, NPNurse Practitioner1477740264
  6. Lester Mietkiewicz, MDInternal Medicine Physician1285609479

Verify Gerald Chase in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

81% fewer Medicare Part D claims than the average internal medicine physician in 2024

526 Medicare Part D claims for 207 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Gerald Chase526
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium49 claims
  2. Losartan Potassium32 claims
  3. Levothyroxine Sodium23 claims
  4. Lisinopril20 claims
  5. Omeprazole18 claims
  6. Metformin Hcl17 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.

One hospital or facility affiliation

  1. Umass Memorial Medical Group IncWorcester, MA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

513 internal medicine physician records list a Worcester practice address

They are 513 of the 13,166 NPPES records with a Worcester practice address, and 7,865 internal medicine physician records in Massachusetts.

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Zainab AbbasWorcester, MA1609028000
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Lauren Abbate, MDBoston, MA1922099621
  5. Bassima Abdallah, MDBoston, MA1912327305
  6. Samah Abdallah, MDBrighton, MA1730814971
  7. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  8. Salah Abdelgadir, MDBoston, MA1891280954
  9. Mahmoud Abdelghany, M.D.Springfield, MA1134479629
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Gerald Chase, M.D.'s NPI number?

Gerald Chase, M.D.'s National Provider Identifier (NPI) is 1720061468, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gerald Chase, M.D. located?

The NPPES record lists a practice address at 367 Plantation St, Worcester, MA, 01605. Phone: (508) 334-1443. Providers update this record themselves, so call before visiting.

How can I verify Gerald Chase, M.D.'s license?

Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gerald Chase, M.D. prescribe under Medicare Part D?

In 2024, Gerald Chase, M.D. had 526 Medicare Part D claims for 207 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.