Marcia C. Chatfield, D. O.
Internal Medicine Physician · Arlington, MA
Marcia C. Chatfield, D. O. is an internal medicine physician with a practice address in Arlington, Massachusetts, and NPI 1316048739, issued on Sep 26, 2006. Check the license (Massachusetts 232141, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Marcia C. Chatfield
- Credential
- D. O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 232141 MA
Self-reported in NPPES; status is on the state search - Practice location
- 22 Mill St Ste 208, Arlington, MA 02476
- Phone
- (781) 646-2848
- Enumerated
- Sep 26, 2006
- Record last updated
- May 1, 2026
- Fax
- (781) 643-4308
- Medicare enrollment
- Enrolled (PECOS I20080229000381); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Verify Marcia C. Chatfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 232141Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,672 Medicare Part D claims for 270 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium131 claims
- Levothyroxine Sodium106 claims
- Amlodipine Besylate82 claims
- Losartan Potassium68 claims
- Rosuvastatin Calcium56 claims
- Metoprolol Succinate54 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.
Bills Medicare through 2 group practices
- Mount Auburn Professional Services IncArlington, MA
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcia C. Chatfield among 6,825 internal medicine physician records in Massachusetts
Marcia C. Chatfield, D. O. 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
- Graduated2000 · median 2004 among the 4,103 with a school on file
- Record last updated2026 · 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).
16 internal medicine physician records list a practice address in Arlington
They are 16 of the 974 NPPES records with a practice address in Arlington, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Arlington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Burns, MDArlington, MA 024761780635573
- Timothy Crowley, MDArlington, MA 024761124025606
- Byron Diggs, MDArlington, MA 024761902943087
- Donna Katcher, MDArlington, MA 024761780681031
- Nathaniel Price, M.D.Arlington, MA 024761760500367
- Azadeh Assarpour, M.D.Belmont, MA 024781841430030
- Peter Braun, M.D.Arlington, MA 024741992820815
- Ronald Criscitiello, M.DArlington, MA 024741114027091
Common questions
What is Marcia C. Chatfield, D. O.'s NPI number?
Marcia C. Chatfield, D. O.'s National Provider Identifier (NPI) is 1316048739, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marcia C. Chatfield, D. O. located?
The NPPES record lists a practice address at 22 Mill St Ste 208, Arlington, MA, 02476. Phone: (781) 646-2848. Providers update this record themselves, so call before visiting.
How can I verify Marcia C. Chatfield, D. O.'s license?
NPPES lists Massachusetts license number 232141, 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 Marcia C. Chatfield, D. O. prescribe under Medicare Part D?
In 2024, Marcia C. Chatfield, D. O. had 1,672 Medicare Part D claims for 270 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.