Alexandra Flather-Morgan Cist, MD
Critical Care Medicine (Internal Medicine) Physician · Boston, MA
Alexandra Flather-Morgan Cist, MD is a critical care medicine (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1659344091, issued on Feb 8, 2006. Check the license (Massachusetts 75989, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alexandra Flather-Morgan Cist
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 75989 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St Cox 2, Boston, MA 02114
- Phone
- (617) 726-1721
- Enumerated
- Feb 8, 2006
- Record last updated
- Oct 31, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (617) 726-6878
- Medicaid ID
- 3154238 MA
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 157 in Massachusetts → Look up another NPI →
Verify Alexandra Flather-Morgan Cist in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 75989Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Alexandra Flather-Morgan Cist among 157 critical care medicine (internal medicine) physician records in Massachusetts
Alexandra Flather-Morgan Cist, MD is one of 157 critical care medicine (internal medicine) physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 56% newer
- In a Medicare fileNo · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2011 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Massachusetts
There are 157 critical care medicine (internal medicine) physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 157 in Massachusetts → Every provider in Boston → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Edward Bittner, MD PHDBoston, MA 021141215912456
- Richard Channick, M.D.Boston, MA 021141144255886
- Ashwin Dharmadhikari, MDBoston, MA 021141710968664
- Katherine Dudley, M.D.Boston, MA 021141245497619
- Jean Elrick, MDBoston, MA 021141275524993
- Ming-Hui Fan, MDBoston, MA 021141063561694
- Fiona Gibbons, MDBoston, MA 021141720079288
- Michael Gillette, MD PHDBoston, MA 021141619945276
Common questions
What is Alexandra Flather-Morgan Cist, MD's NPI number?
Alexandra Flather-Morgan Cist, MD's National Provider Identifier (NPI) is 1659344091, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Flather-Morgan Cist, MD located?
The NPPES record lists a practice address at 55 Fruit St Cox 2, Boston, MA, 02114. Phone: (617) 726-1721. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Flather-Morgan Cist, MD's license?
NPPES lists Massachusetts license number 75989, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.