Amy J. Wu, M.D.
Rheumatology Physician · Somerville, MA
Amy J. Wu, M.D. is a rheumatology physician with a practice address in Somerville, Massachusetts, and NPI 1891958831, issued on Jul 9, 2008. Check the license (Massachusetts 246993, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Amy J. Wu
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 246993 MA
Self-reported in NPPES; status is on the state search - Practice location
- 40 Holland St, Somerville, MA 02144
- Phone
- (617) 629-6250
- Enumerated
- Jul 9, 2008
- Record last updated
- Mar 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 629-6108
- Medicare enrollment
- Enrolled (PECOS I20110728000423); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Also registered at 40 Holland St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dolly Arjun, PA-CPediatrics Physician1376924738
- Jill Ashcraft, DPMFoot & Ankle Surgery Podiatrist1316205909
- Rachel Berger, M.D.Internal Medicine Physician1326019456
Verify Amy J. Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 246993Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average rheumatology physician in 2024
2,201 Medicare Part D claims for 337 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 41 claims were for opioids.
Most prescribed
- Methotrexate333 claims
- Prednisone242 claims
- Allopurinol138 claims
- Enbrel Sureclick107 claims
- Hydroxychloroquine Sulfate104 claims
- Leucovorin Calcium103 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 one group practice
- Atrius Health IncDedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy J. Wu among 343 rheumatology physician records in Massachusetts
Amy J. Wu, M.D. is one of 343 rheumatology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 31% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2004 among the 212 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Massachusetts
There are 343 rheumatology physician records in Massachusetts.
All 343 in Massachusetts → Every provider in Somerville → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Jeffrey Kraines, M.D.Cambridge, MA 021421932146123
- Theresa Podrebarac, MDCambridge, MA 021421972520849
- Ronenn Roubenoff, MD, MHSCambridge, MA 021421841417433
- Rajandeep Paik, M.D.Malden, MA 021481043599772
- Lucille Shore - Schein, MDCambridge, MA 021401386639946
- Suzanne Chapnick, M.D.Cambridge, MA 021391609912245
- Irving Fox, M.D.Cambridge, MA 021391144335035
- Jan Hillson, M.D.Cambridge, MA 021391912930157
Common questions
What is Amy J. Wu, M.D.'s NPI number?
Amy J. Wu, M.D.'s National Provider Identifier (NPI) is 1891958831, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Amy J. Wu, M.D. located?
The NPPES record lists a practice address at 40 Holland St, Somerville, MA, 02144. Phone: (617) 629-6250. Providers update this record themselves, so call before visiting.
How can I verify Amy J. Wu, M.D.'s license?
NPPES lists Massachusetts license number 246993, 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 Amy J. Wu, M.D. prescribe under Medicare Part D?
In 2024, Amy J. Wu, M.D. had 2,201 Medicare Part D claims for 337 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.