Jonathan Samuel Hausmann, MD
Rheumatology Physician · Cambridge, MA
Jonathan Samuel Hausmann, MD is a rheumatology physician with a practice address in Cambridge, Massachusetts, and NPI 1932367562, issued on May 30, 2008. Check the license (Massachusetts 248865, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan Samuel Hausmann
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 248865 MA
Self-reported in NPPES; status is on the state search - Practice location
- 243 Concord Ave Apt 9, Cambridge, MA 02138
- Phone
- (617) 871-0040
- Enumerated
- May 30, 2008
- Record last updated
- Jun 11, 2026
- Fax
- (888) 531-3853
- Medicare enrollment
- Enrolled (PECOS I20141212001884); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Verify Jonathan Samuel Hausmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 248865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average rheumatology physician in 2024
546 Medicare Part D claims for 99 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone62 claims
- Humira(Cf) Pen60 claims
- Hydroxychloroquine Sulfate58 claims
- Methotrexate58 claims
- Allopurinol50 claims
- Colchicine31 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 3 group practices
- Children's Hospital Pediatric Associates, IncBoston, MA
- 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).
Jonathan Samuel Hausmann among 343 rheumatology physician records in Massachusetts
Jonathan Samuel Hausmann, MD 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 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 Cambridge → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Lisa Fitzgerald, MDCambridge, MA 021381881691160
- Lama Mulki, M.D.Cambridge, MA 021381124259106
- Shiv Sehra, M.D.Cambridge, MA 021381609101732
- Francine Ton Nghiem, MDCambridge, MA 021381902862451
- Suzanne Chapnick, M.D.Cambridge, MA 021391609912245
- Irving Fox, M.D.Cambridge, MA 021391144335035
- Jan Hillson, M.D.Cambridge, MA 021391912930157
- Lloyd Klickstein, MD, PHDCambridge, MA 021391467423418
Common questions
What is Jonathan Samuel Hausmann, MD's NPI number?
Jonathan Samuel Hausmann, MD's National Provider Identifier (NPI) is 1932367562, issued on May 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Samuel Hausmann, MD located?
The NPPES record lists a practice address at 243 Concord Ave Apt 9, Cambridge, MA, 02138. Phone: (617) 871-0040. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Samuel Hausmann, MD's license?
NPPES lists Massachusetts license number 248865, 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 Jonathan Samuel Hausmann, MD prescribe under Medicare Part D?
In 2024, Jonathan Samuel Hausmann, MD had 546 Medicare Part D claims for 99 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.