Jonathan Hill Cronin, MD
Neonatal-Perinatal Medicine Physician · Boston, MA
Jonathan Hill Cronin, MD is a neonatal-perinatal medicine physician with a practice address in Boston, Massachusetts, and NPI 1205826484, issued on Oct 27, 2005. Check the license (Massachusetts 55219, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan Hill Cronin
- Credential
- MD
- Primary taxonomy
- Neonatal-Perinatal Medicine Physician 2080N0001X
- License number
- 55219 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 724-9040
- Enumerated
- Oct 27, 2005
- Record last updated
- May 21, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (617) 726-9346
- Medicaid ID
- 3013952 MA
- Entity
- Type 1 · individual
8 nearest neonatal-perinatal medicine physician records → All 224 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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Verify Jonathan Hill Cronin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 55219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average neonatal-perinatal medicine physician in 2024
16 Medicare Part D claims, against an average of 33 among the 189 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Atorvastatin Calcium12 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.
Jonathan Hill Cronin among 224 neonatal-perinatal medicine physician records in Massachusetts
Jonathan Hill Cronin, MD is one of 224 neonatal-perinatal medicine physician records with a practice address in Massachusetts. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2009 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neonatal-Perinatal Medicine Physician providers in Massachusetts
There are 224 neonatal-perinatal medicine physician records in Massachusetts.
All 224 in Massachusetts → Every provider in Boston → Neonatal-Perinatal Medicine Physician nationwide →
The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes
- Ihor BilykBoston, MA 021141871545400
- Elizabeth Catlin, MDBoston, MA 021141952391237
- William Dwyer, M.D.Boston, MA 021141336197847
- Elizabeth Flanigan, M.D., M.P.H.Boston, MA 021141619057577
- Mayya Geha, M.D.Boston, MA 021141972584654
- Terri Gorman, MDBoston, MA 021141871583591
- Robert Insoft, MDBoston, MA 021141144210311
- Romal Jassar, MDBoston, MA 021141225243694
Common questions
What is Jonathan Hill Cronin, MD's NPI number?
Jonathan Hill Cronin, MD's National Provider Identifier (NPI) is 1205826484, issued on Oct 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Hill Cronin, MD located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 724-9040. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Hill Cronin, MD's license?
NPPES lists Massachusetts license number 55219, 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 Hill Cronin, MD prescribe under Medicare Part D?
In 2024, Jonathan Hill Cronin, MD had 16 Medicare Part D claims; the average among neonatal-perinatal medicine physician prescribers was 33. 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.