Zandra Elene Walton, MD-PHD
Rheumatology Physician · Boston, MA
Zandra Elene Walton, MD-PHD is a rheumatology physician with a practice address in Boston, Massachusetts, and NPI 1386103372, issued on Mar 18, 2019. Check the license (Massachusetts 1019118, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Zandra Elene Walton
- Credential
- MD-PHD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 1019118 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-7938
- Enumerated
- Mar 18, 2019
- Record last updated
- Jun 2, 2024
- Medicare enrollment
- Enrolled (PECOS I20240630000094); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Zandra Elene Walton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1019118Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average rheumatology physician in 2024
269 Medicare Part D claims for 51 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Prednisone35 claims
- Hydroxychloroquine Sulfate32 claims
- Methotrexate26 claims
- Cosentyx Sensoready Pen17 claims
- Mycophenolate Mofetil16 claims
- Actemra15 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.
Industry payments in 2024: $15,056.91
9 payments; by number, the most common kind was travel and lodging; the largest payer was Celgene Corporation. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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).
Zandra Elene Walton among 343 rheumatology physician records in Massachusetts
Zandra Elene Walton, 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 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2019 · median 2004 among the 212 with a school on file
- Record last updated2024 · 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
- Syed Ahmed, M.D.Boston, MA 021141407829948
- Sheila Arvikar, M.D.Boston, MA 021141881721249
- Donald Bloch, MDBoston, MA 021141609857739
- Kurt Bloch, MDBoston, MA 021141326020652
- Marcy Bolster, MDBoston, MA 021141154439198
- Flavia Castelino, M.D.Boston, MA 021141962611301
- Robert Friday, MD PHDBoston, MA 021141053393074
- Nancy Kim, M.D.Boston, MA 021141669447090
Common questions
What is Zandra Elene Walton, MD-PHD's NPI number?
Zandra Elene Walton, MD-PHD's National Provider Identifier (NPI) is 1386103372, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Zandra Elene Walton, MD-PHD located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-7938. Providers update this record themselves, so call before visiting.
How can I verify Zandra Elene Walton, MD-PHD's license?
NPPES lists Massachusetts license number 1019118, 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 Zandra Elene Walton, MD-PHD prescribe under Medicare Part D?
In 2024, Zandra Elene Walton, MD-PHD had 269 Medicare Part D claims for 51 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.