James Arthur Morrill, MD PHD
Internal Medicine Physician · Charlestown, MA
James Arthur Morrill, MD PHD is an internal medicine physician with a practice address in Charlestown, Massachusetts, and NPI 1952419764, issued on Aug 29, 2006. Check the license (Massachusetts 221431, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James Arthur Morrill
- Credential
- MD PHD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 221431 MA
Self-reported in NPPES; status is on the state search - Practice location
- 73 High St, Charlestown, MA 02129
- Phone
- (617) 724-8135
- Enumerated
- Aug 29, 2006
- Record last updated
- Oct 11, 2022
- Fax
- (617) 724-8010
- Medicaid ID
- 2073331 MA
- Medicare enrollment
- Enrolled (PECOS I20040831000046); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 73 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Quinn Almerico-Leclair, LICSWClinical Social Worker1902158173
- Chelsea AtzingerClinical Social Worker1093452187
- Christina Biagiotti, P.T.Physical Therapist1942337704
- Robin BleicherClinical Social Worker1104717289
- Tiara Calhoun, MDPulmonary Disease Physician1902326101
- Sara Callahan, FNPFamily Nurse Practitioner1942722533
Verify James Arthur Morrill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 221431Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
7,084 Medicare Part D claims for 563 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 548 claims were for opioids.
Most prescribed
- Atorvastatin Calcium358 claims
- Lisinopril293 claims
- Oxycodone Hcl287 claims
- Gabapentin261 claims
- Omeprazole231 claims
- Clonazepam209 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
- Massachusetts General Physicians Organization IncBoston, MA
- The General Hospital CorporationBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Arthur Morrill among 6,825 internal medicine physician records in Massachusetts
James Arthur Morrill, MD PHD 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
- Graduated2001 · median 2004 among the 4,103 with a school on file
- Record last updated2022 · 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).
12 internal medicine physician records list a practice address in Charlestown
They are 12 of the 421 NPPES records with a practice address in Charlestown, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Charlestown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hugo Calavia Liano, MDBoston, MA 021291568026367
- Caitlin Cohen, MDCharlestown, MA 021291710368121
- Michael Garrity, MDCharlestown, MA 021291932181369
- Lauren Glickman, MDCharlestown, MA 021291508856808
- Rajani Larocca, MDCharlestown, MA 021291144204884
- Wei Sum Li, M.D.Charlestown, MA 021291629425046
- Joyce Liu, MDCharlestown, MA 021291144395179
- Cheryl Monteiro, MDCharlestown, MA 021291649700253
Common questions
What is James Arthur Morrill, MD PHD's NPI number?
James Arthur Morrill, MD PHD's National Provider Identifier (NPI) is 1952419764, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Arthur Morrill, MD PHD located?
The NPPES record lists a practice address at 73 High St, Charlestown, MA, 02129. Phone: (617) 724-8135. Providers update this record themselves, so call before visiting.
How can I verify James Arthur Morrill, MD PHD's license?
NPPES lists Massachusetts license number 221431, 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 James Arthur Morrill, MD PHD prescribe under Medicare Part D?
In 2024, James Arthur Morrill, MD PHD had 7,084 Medicare Part D claims for 563 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.