Sara Astarita Callahan, FNP
Family Nurse Practitioner · Charlestown, MA
Sara Astarita Callahan, FNP is a family nurse practitioner with a practice address in Charlestown, Massachusetts, and NPI 1942722533, issued on Jul 14, 2017. Check the license (Massachusetts 2282855, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sara Astarita Callahan
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2282855 MA
Self-reported in NPPES; status is on the state search - Practice location
- 73 High St, Charlestown, MA 02129
- Phone
- (617) 724-8135
- Enumerated
- Jul 14, 2017
- Record last updated
- Apr 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190426002098); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 73 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Quinn Almerico-Leclair, LICSWClinical Social Worker1902158173
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- Christina Biagiotti, P.T.Physical Therapist1942337704
- Robin BleicherClinical Social Worker1104717289
- Tiara Calhoun, MDPulmonary Disease Physician1902326101
- Jorge CardonaClinical Social Worker1174130330
Verify Sara Astarita Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 2282855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average family nurse practitioner in 2024
352 Medicare Part D claims for 230 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Paxlovid61 claims
- Lisinopril21 claims
- Nitrofurantoin Mono-Macro21 claims
- Atorvastatin Calcium14 claims
- Mupirocin13 claims
- Amoxicillin-Clavulanate Potass11 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
- Mass General Brigham Medical Group Northern Massachusetts IncPeabody, MA
- Massachusetts General Physicians Organization IncBoston, MA
- The General Hospital CorporationWaltham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sara Astarita Callahan among 4,724 family nurse practitioner records in Massachusetts
Sara Astarita Callahan, FNP is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 44% of them.
- NPI issued2017 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2019 among the 2,704 with a school on file
- Record last updated2019 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family nurse practitioner records list a practice address in Charlestown
They are 17 of the 421 NPPES records with a practice address in Charlestown, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Charlestown → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ernsy AlabreCharlestown, MA 021291225461841
- Ellen Coletti, NPCharlestown, MA 021291902945371
- Alice Currie, FNP-BCCharlestown, MA 021291396169652
- Mara JoyCharlestown, MA 021291043736663
- Eileen McAdams, NPCharlestown, MA 021291063602183
- Julia McAndrew, MSN, MPH, FNP-BCCharlestown, MA 021291033665773
- Agnes Nansubuga, NPCharlestown, MA 021291831517895
- Shayla Neffendorf, FNP-CCharlestown, MA 021291013315423
Common questions
What is Sara Astarita Callahan, FNP's NPI number?
Sara Astarita Callahan, FNP's National Provider Identifier (NPI) is 1942722533, issued on Jul 14, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sara Astarita Callahan, FNP located?
The NPPES record lists a practice address at 73 High St, Charlestown, MA, 02129. Phone: (617) 724-8135. Providers update this record themselves, so call before visiting.
How can I verify Sara Astarita Callahan, FNP's license?
NPPES lists Massachusetts license number 2282855, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Sara Astarita Callahan, FNP prescribe under Medicare Part D?
In 2024, Sara Astarita Callahan, FNP had 352 Medicare Part D claims for 230 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.