Shahar Castel, PA-C
Physician Assistant · Boston, MA
Shahar Castel, PA-C is a physician assistant with a practice address in Boston, Massachusetts, and NPI 1275194490, issued on Jun 27, 2019. Check the license (Massachusetts 6866, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shahar Castel
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 6866 MA
Self-reported in NPPES; status is on the state search - Practice location
- 243 Charles St, Boston, MA 02114
- Phone
- (617) 523-7900
- Enumerated
- Jun 27, 2019
- Record last updated
- Aug 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190806003927); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 243 Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bardia AbbasiNeurology Physician1629429543
- Dunia Abdul-Aziz, MDOtolaryngology Physician1487880985
- Hasan Abdulbaki, MDStudent in an Organized Health Care Education/Training Program1811790512
- Inas Aboobakar, M.D.Ophthalmology Physician1760846265
- Jihad Achkar, M.D.Otolaryngology Physician1811203763
- Alessandro Adad Jammal, MD, PHDOphthalmology Physician1518725480
Verify Shahar Castel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 6866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
38 Medicare Part D claims for 27 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1,660 physician assistant records list a practice address in Boston
They are 1,660 of the 41,865 NPPES records with a practice address in Boston, and 4,713 physician assistant records in Massachusetts.
All 1,660 in Boston → All 4,713 in Massachusetts → Every provider in Boston →
Other physician assistant records in Massachusetts
- Erin Abdallah, PA-CSwansea, MA1396417242
- Alexa Aboshar, PA-CTewksbury, MA1245623578
- Bhraana Abraham, PABoston, MA1649963661
- Keidelyn Abreu, PALawrence, MA1497488795
- Tatiana Achildiev, PAWorcester, MA1740532761
- Sophie Achilles, PA-CBoston, MA1992485965
- Andrea Acosta, PA-CWest Roxbury, MA1336060953
- Colin ActonBoston, MA1346066701
- Emily Adams, PA-CBurlington, MA1457685752
- Karley Adams, PABoston, MA1578261764
Common questions
What is Shahar Castel, PA-C's NPI number?
Shahar Castel, PA-C's National Provider Identifier (NPI) is 1275194490, issued on Jun 27, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Shahar Castel, PA-C located?
The NPPES record lists a practice address at 243 Charles St, Boston, MA, 02114. Phone: (617) 523-7900. Providers update this record themselves, so call before visiting.
How can I verify Shahar Castel, PA-C's license?
NPPES lists Massachusetts license number 6866, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Shahar Castel, PA-C prescribe under Medicare Part D?
In 2024, Shahar Castel, PA-C had 38 Medicare Part D claims for 27 beneficiaries; the average among physician assistant prescribers was 830. 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.