NPPES file of Aug 9, 2026

Kristen Hysell, M.D.

Infectious Disease Physician · Boston, MA

Kristen Hysell, M.D. is an infectious disease physician with a practice address in Boston, Massachusetts, and NPI 1669884672, issued on May 24, 2014. Check the license (Massachusetts 277126, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669884672
Name
Kristen Hysell
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
277126 MA
Self-reported in NPPES; status is on the state search
Practice location
15 Francis St, Boston, MA 02115
Phone
(617) 732-8881
Enumerated
May 24, 2014
Record last updated
Aug 8, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190628001407); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2014
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 15 Francis St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. William Camann, MDAnesthesiology Physician1902887979
  2. Lynda ChichesterPhysician Assistant1760134928
  3. Claire Cutting, MDPulmonary Disease Physician1114424785
  4. Dawn Demeo, MDPulmonary Disease Physician1346206588
  5. Paul Dieffenbach, M.D.Critical Care Medicine (Internal Medicine) Physician1376717348
  6. Gary Epler, MDPulmonary Disease Physician1184680308

Verify Kristen Hysell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 277126
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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51% fewer Medicare Part D claims than the average infectious disease physician in 2024

340 Medicare Part D claims for 56 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Kristen Hysell340
  2. Specialty average689

Most prescribed

  1. Biktarvy29 claims
  2. Descovy20 claims
  3. Sulfamethoxazole-Trimethoprim17 claims
  4. Tivicay16 claims
  5. Cefadroxil15 claims
  6. Doxycycline Monohydrate15 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

  1. Massachusetts General Physicians Organization IncBoston, MA
  2. The General Hospital CorporationBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kristen Hysell among 487 infectious disease physician records in Massachusetts

Kristen Hysell, M.D. is one of 487 infectious disease physician records with a practice address in Massachusetts. 69% 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, 16% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2014 · median 2003 among the 296 with a school on file
  • Record last updated2019 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Massachusetts

There are 487 infectious disease physician records in Massachusetts.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Daniel Cohen, MDBoston, MA 021151972576858
  2. Todd Ellerin, M.D.Boston, MA 021151205837176
  3. Nicolas Issa, MDBoston, MA 021151346234622
  4. Joel Katz, MDBoston, MA 021151760448005
  5. Dennis Kim, MD PHDBoston, MA 021151093790180
  6. Michael Klompas, MDBoston, MA 021151710955414
  7. Francisco Marty, MDBoston, MA 021151710940283
  8. Rebeca Plank, MDBoston, MA 021151598738973

Common questions

What is Kristen Hysell, M.D.'s NPI number?

Kristen Hysell, M.D.'s National Provider Identifier (NPI) is 1669884672, issued on May 24, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Kristen Hysell, M.D. located?

The NPPES record lists a practice address at 15 Francis St, Boston, MA, 02115. Phone: (617) 732-8881. Providers update this record themselves, so call before visiting.

How can I verify Kristen Hysell, M.D.'s license?

NPPES lists Massachusetts license number 277126, 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 Kristen Hysell, M.D. prescribe under Medicare Part D?

In 2024, Kristen Hysell, M.D. had 340 Medicare Part D claims for 56 beneficiaries; the average among infectious disease physician prescribers was 689. 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.