Jordan S. Sack, MD, MPH
Hepatology Physician · Boston, MA
Jordan S. Sack, MD, MPH is a hepatology physician with a practice address in Boston, Massachusetts, and NPI 1669883245, issued on May 16, 2014. Check the license (Massachusetts 287611, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jordan S. Sack
- Credential
- MD, MPH
- Primary taxonomy
- Hepatology Physician 207RI0008X
- License number
- 287611 MA
Self-reported in NPPES; status is on the state search - Practice location
- 45 Francis St, Boston, MA 02115
- Phone
- (617) 732-6389
- Enumerated
- May 16, 2014
- Record last updated
- Aug 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 566-0338
- Medicare enrollment
- Enrolled (PECOS I20210916001224); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hepatology physician records → All 16 in Massachusetts → Look up another NPI →
Also registered at 45 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha Acker, LCSWClinical Social Worker1417876392
- Martin Aguilar, MDStudent in an Organized Health Care Education/Training Program1356835508
- Victoria Aharon, PA-CPhysician Assistant1508109398
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- Saif Alenizi, M.D., M.P.H.Nephrology Physician1255680997
- Roberta (bobbi) Allison, MA, MSW, LICSWClinical Social Worker1649407248
Verify Jordan S. Sack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 287611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average hepatology physician in 2024
218 Medicare Part D claims for 108 beneficiaries, against an average of 762 among the 228 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Gavilyte-G45 claims
- Omeprazole30 claims
- Carvedilol17 claims
- Ursodiol14 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
- Brigham And Womens Physicians Organization IncBoston, MA
- 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).
Jordan S. Sack among 16 hepatology physician records in Massachusetts
Jordan S. Sack, MD, MPH is one of 16 hepatology physician records with a practice address in Massachusetts. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 0% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2014 · median 1993 among the 12 with a school on file
- Record last updated2021 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0008X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hepatology Physician providers in Massachusetts
There are 16 hepatology physician records in Massachusetts.
All 16 in Massachusetts → Every provider in Boston → Hepatology Physician nationwide →
The 8 hepatology physician records with the nearest ZIP codes
- Fredric Gordon, M.D.Boston, MA 021111891892691
- Nezam Afdhal, M.D.Boston, MA 022151508973173
- Sanjiv Chopra, M.D.Boston, MA 022151710027156
- Eric Cohen, M.D.Boston, MA 022151881833747
- Michael Curry, MDBoston, MA 022151518939446
- Zachary Fricker, MDBoston, MA 022151790049161
- Dusanka Grbic, M.D.Boston, MA 022151306264775
- Michelle Lai, M.D.Boston, MA 022151609030865
Common questions
What is Jordan S. Sack, MD, MPH's NPI number?
Jordan S. Sack, MD, MPH's National Provider Identifier (NPI) is 1669883245, issued on May 16, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jordan S. Sack, MD, MPH located?
The NPPES record lists a practice address at 45 Francis St, Boston, MA, 02115. Phone: (617) 732-6389. Providers update this record themselves, so call before visiting.
How can I verify Jordan S. Sack, MD, MPH's license?
NPPES lists Massachusetts license number 287611, 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 Jordan S. Sack, MD, MPH prescribe under Medicare Part D?
In 2024, Jordan S. Sack, MD, MPH had 218 Medicare Part D claims for 108 beneficiaries; the average among hepatology physician prescribers was 762. 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.