John M. Littlefield, M.D.
General Practice Physician · Swansea, MA
John M. Littlefield, M.D. is a general practice physician with a practice address in Swansea, Massachusetts, and NPI 1770633554, issued on Jan 12, 2007. Check the license (Massachusetts MA 150526, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John M. Littlefield
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- MA 150526 MA
150526 MA
293375 NY
Self-reported in NPPES; status is on the state search - Practice location
- 262 Swansea Mall Dr, Swansea, MA 02777
- Phone
- (508) 343-8400
- Enumerated
- Jan 12, 2007
- Record last updated
- Aug 23, 2022
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 135 in Massachusetts → Look up another NPI →
Also registered at 262 Swansea Mall Dr
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Verify John M. Littlefield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license MA 150526Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average general practice physician in 2024
117 Medicare Part D claims for 18 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril12 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.
John M. Littlefield among 135 general practice physician records in Massachusetts
John M. Littlefield, M.D. is one of 135 general practice physician records with a practice address in Massachusetts. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 39% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 13% of these records are
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Massachusetts
There are 135 general practice physician records in Massachusetts.
All 135 in Massachusetts → Every provider in Swansea → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Neeta Ohri, M.D.Taunton, MA 027801447394853
- Christopher Wlaz, M.D.Plainville, MA 027621447320460
- Randall Bock, M.D.North Attleboro, MA 027601205991031
- Henry Gravel, MDDartmouth, MA 027471821044462
- Gloria Mercado, M.D.Fall River, MA 027231578628715
- Lisa Lavalette, RPHFairhaven, MA 027191699561795
- Riaz Hussain, M.D.Attleboro, MA 027031386620391
- Vera Jackson, M.D.South Attleboro, MA 027031598706541
Common questions
What is John M. Littlefield, M.D.'s NPI number?
John M. Littlefield, M.D.'s National Provider Identifier (NPI) is 1770633554, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John M. Littlefield, M.D. located?
The NPPES record lists a practice address at 262 Swansea Mall Dr, Swansea, MA, 02777. Phone: (508) 343-8400. Providers update this record themselves, so call before visiting.
How can I verify John M. Littlefield, M.D.'s license?
NPPES lists Massachusetts license number MA 150526, 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 John M. Littlefield, M.D. prescribe under Medicare Part D?
In 2024, John M. Littlefield, M.D. had 117 Medicare Part D claims for 18 beneficiaries; the average among general practice physician prescribers was 3,030. 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.