Susan Yehle Ritter, MD, PHD
Rheumatology Physician · Boston, MA
Susan Yehle Ritter, MD, PHD is a rheumatology physician with a practice address in Boston, Massachusetts, and NPI 1811042245, issued on Jan 24, 2007. Check the license (Massachusetts 233859, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Susan Yehle Ritter
- Credential
- MD, PHD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 233859 MA
224627 MA
Self-reported in NPPES; status is on the state search - Practice location
- 75 Francis St, Boston, MA 02115
- Phone
- (617) 732-5325
- Enumerated
- Jan 24, 2007
- Record last updated
- May 3, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (617) 732-5766
- Medicare enrollment
- Enrolled (PECOS I20110817000039); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Also registered at 75 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
- Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867
Verify Susan Yehle Ritter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 233859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average rheumatology physician in 2024
2,993 Medicare Part D claims for 376 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 167 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate345 claims
- Prednisone304 claims
- Methotrexate298 claims
- Humira(Cf) Pen116 claims
- Enbrel Sureclick110 claims
- Leflunomide85 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
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susan Yehle Ritter among 343 rheumatology physician records in Massachusetts
Susan Yehle Ritter, MD, PHD 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 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 38% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2004 among the 212 with a school on file
- Record last updated2012 · 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
- Paul Anderson, M.D., PH.D.Boston, MA 021151235127432
- Ronald Anderson, MDBoston, MA 021151154388478
- Michael Brenner, MDBoston, MA 021151699732909
- Jack Bukowski, MD PHDBoston, MA 021151639121544
- Jonathan Coblyn, MDBoston, MA 021151447200969
- Karen Costenbader, MD MPHBoston, MA 021151447216825
- I Cheng Ho, MDBoston, MA 021151346292133
- Elizabeth Karlson, MDBoston, MA 021151548228075
Common questions
What is Susan Yehle Ritter, MD, PHD's NPI number?
Susan Yehle Ritter, MD, PHD's National Provider Identifier (NPI) is 1811042245, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Susan Yehle Ritter, MD, PHD located?
The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-5325. Providers update this record themselves, so call before visiting.
How can I verify Susan Yehle Ritter, MD, PHD's license?
NPPES lists Massachusetts license number 233859, 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 Susan Yehle Ritter, MD, PHD prescribe under Medicare Part D?
In 2024, Susan Yehle Ritter, MD, PHD had 2,993 Medicare Part D claims for 376 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.