NPPES file of Aug 9, 2026

Carol J. Patterson, M.D.

Internal Medicine Physician · Holyoke, MA

Carol J. Patterson, M.D. is an internal medicine physician with a practice address in Holyoke, Massachusetts, and NPI 1609809508, issued on Jul 7, 2006. Check the license (Massachusetts 261400, 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
1609809508
Name
Carol J. Patterson
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
261400 MA
036106175 IL
Self-reported in NPPES; status is on the state search
Practice location
230 Maple St Ste 1, Holyoke, MA 01040
Phone
(413) 420-2200
Enumerated
Jul 7, 2006
Record last updated
Jun 26, 2023
Medicaid IDs
1011727 VT
110027773 MA
30205270 NH
Medicare enrollment
Enrolled (PECOS I20150113001639); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1999
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 230 Maple St Ste 1

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

  1. Chithu Abraham, DDSDentist1043615321
  2. Jamie Abraham, DMD, MPHDentist1720665854
  3. Ayotunde Akinwande, DNP, APRN, FNP-BCFamily Nurse Practitioner1740112630
  4. Kefah Al-Ramahi, M.D.Internal Medicine Physician1235493008
  5. Matthew Antil, PHARMD, RPHPharmacist1467172056
  6. Muriel Appram, NPNurse Practitioner1639952401

Verify Carol J. Patterson 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 261400
    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

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

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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

68 Medicare Part D claims for 42 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Carol Patterson68
  2. Specialty average3,176

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 one group practice

  1. Holyoke Health Center Inc.Holyoke, MA

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

Carol J. Patterson among 6,825 internal medicine physician records in Massachusetts

Carol J. Patterson, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1999 · median 2004 among the 4,103 with a school on file
  • Record last updated2023 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

31 internal medicine physician records list a practice address in Holyoke

They are 31 of the 1,961 NPPES records with a practice address in Holyoke, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Purnima Adlakha, M.D.Holyoke, MA 010401487601175
  2. Tazeen Aleem, MDHolyoke, MA 010401760466494
  3. Vamseedhar Alla, M.D.Holyoke, MA 010401083646517
  4. Kenneth Aquilino, MDHolyoke, MA 010401770583668
  5. Vanessa Begolli, M.D.Holyoke, MA 010401770553562
  6. Ana Maria Castrillon, MDHolyoke, MA 010401932174570
  7. Alejandro Esparza-Perez, M.D.Holyoke, MA 010401124098595
  8. Thomas Judd, MDHolyoke, MA 010401780788802

Common questions

What is Carol J. Patterson, M.D.'s NPI number?

Carol J. Patterson, M.D.'s National Provider Identifier (NPI) is 1609809508, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carol J. Patterson, M.D. located?

The NPPES record lists a practice address at 230 Maple St Ste 1, Holyoke, MA, 01040. Phone: (413) 420-2200. Providers update this record themselves, so call before visiting.

How can I verify Carol J. Patterson, M.D.'s license?

NPPES lists Massachusetts license number 261400, 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 Carol J. Patterson, M.D. prescribe under Medicare Part D?

In 2024, Carol J. Patterson, M.D. had 68 Medicare Part D claims for 42 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.