Stephanie L. Santoro, M.D.
Pediatrics Physician · Boston, MA
Stephanie L. Santoro, M.D. is a pediatrics physician with a practice address in Boston, Massachusetts, and NPI 1699919589, issued on Apr 23, 2009. Check the license (Massachusetts 275411, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephanie L. Santoro
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- 275411 MA
35120691 OH
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-1561
- Enumerated
- Apr 23, 2009
- Record last updated
- Nov 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (617) 726-1566
- Medicaid ID
- 0100688 OH
- Medicare enrollment
- Enrolled (PECOS I20180926002866); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,628 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.
- Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Stephanie L. Santoro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 275411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average pediatrics physician in 2024
30 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium12 claims
- Omeprazole12 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 2 group practices
- Massachusetts General Physicians Organization IncLexington, 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).
Stephanie L. Santoro among 2,628 pediatrics physician records in Massachusetts
Stephanie L. Santoro, M.D. is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated2009 · median 2010 among the 319 with a school on file
- Record last updated2018 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
822 pediatrics physician records list a practice address in Boston
They are 822 of the 41,865 NPPES records with a practice address in Boston, and 2,628 pediatrics physician records in Massachusetts.
All 2,628 in Massachusetts → Every provider in Boston → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Ronald Benz, MDBoston, MA 021141851381107
- Lawrence Cohan, MDBoston, MA 021141083604508
- Charles Cote, MDBoston, MA 021141134110265
- Mitchell Feldman, MDBoston, MA 021141598755688
- Alison Friedmann, MDBoston, MA 021141619967346
- Mark Goldstein, MDBoston, MA 021141588654602
- Marc Grella, MDBoston, MA 021141699765750
- Maryetta King, M.D.Boston, MA 021141962492603
Common questions
What is Stephanie L. Santoro, M.D.'s NPI number?
Stephanie L. Santoro, M.D.'s National Provider Identifier (NPI) is 1699919589, issued on Apr 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie L. Santoro, M.D. located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-1561. Providers update this record themselves, so call before visiting.
How can I verify Stephanie L. Santoro, M.D.'s license?
NPPES lists Massachusetts license number 275411, 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 Stephanie L. Santoro, M.D. prescribe under Medicare Part D?
In 2024, Stephanie L. Santoro, M.D. had 30 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.