Erin Kimberley Little, M.D.
Rheumatology Physician · Boston, MA
Erin Kimberley Little, M.D. is a rheumatology physician with a practice address in Boston, Massachusetts, and NPI 1770978835, issued on Apr 5, 2015. Check the license (Massachusetts 274549, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Erin Kimberley Little
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 274549 MA
MD30353 ME
MD17006 RI
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-5990
- Enumerated
- Apr 5, 2015
- Record last updated
- Jul 26, 2026
- Medicare enrollment
- Enrolled (PECOS I20200604001121); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Omer Abbak, PHARMDPharmacist1114500337
- Aya Abdelnaser, MDStudent in an Organized Health Care Education/Training Program1770425373
- Marie Elise Abi Antoun, MDObstetrics & Gynecology Physician1356042626
- Ahmad AboalfarajSurgery Physician1538517651
- Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250
Verify Erin Kimberley Little in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 274549Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,483 Medicare Part D claims for 339 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Methotrexate195 claims
- Hydroxychloroquine Sulfate185 claims
- Prednisone173 claims
- Alendronate Sodium107 claims
- Humira(Cf) Pen96 claims
- Allopurinol90 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.
One hospital affiliation
- Rhode Island HospitalPawtucket, RI · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Erin Kimberley Little among 343 rheumatology physician records in Massachusetts
Erin Kimberley Little, 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 2015, is newer than 84% of them.
- NPI issued2015 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2004 among the 212 with a school on file
- Record last updated2026 · 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 Boston → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Stephen Brimer, MDBoston, MA 021111861046252
- William Harvey, MDBoston, MA 021111437251352
- Robert Kalish, M.D.Boston, MA 021111215974084
- Shanthini Kasturi, M.D.Boston, MA 021111144531047
- Ji Lee, M.D.Boston, MA 021111386873313
- Sreelakshmi Panginikkod, M.DBoston, MA 021111457736753
- Steven Vlad, M.D.Boston, MA 021111275546814
- Janeth Yinh, M.D.Boston, MA 021111316956451
Common questions
What is Erin Kimberley Little, M.D.'s NPI number?
Erin Kimberley Little, M.D.'s National Provider Identifier (NPI) is 1770978835, issued on Apr 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Erin Kimberley Little, M.D. located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5990. Providers update this record themselves, so call before visiting.
How can I verify Erin Kimberley Little, M.D.'s license?
NPPES lists Massachusetts license number 274549, 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 Erin Kimberley Little, M.D. prescribe under Medicare Part D?
In 2024, Erin Kimberley Little, M.D. had 1,483 Medicare Part D claims for 339 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.