NPPES file of Aug 9, 2026

Nathan C. Praschan, MD

Psychiatry Physician · Boston, MA

Nathan C. Praschan, MD is a psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1902328396, issued on Jul 7, 2017. Check the license (Massachusetts 271773, 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
1902328396
Name
Nathan C. Praschan
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
271773 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit St., Boston, MA 02114
Phone
(617) 726-9550
Enumerated
Jul 7, 2017
Record last updated
Jul 7, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200708001222); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2017
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 55 Fruit St.

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

  1. Francisco Agrait-Taboas, M.D.Psychiatry Physician1225359516
  2. Mohammed Ali, MB BCH BAOCardiovascular Disease Physician1497184808
  3. Krishna Aragam, MDCardiovascular Disease Physician1740573062
  4. Brian Baccari, PA-CPhysician Assistant1124338546
  5. Jennifer Belmonte, PA-CPhysician Assistant1184778185
  6. Eyal Benjamin Ben Assa, MDInternal Medicine Physician1740720937

Verify Nathan C. Praschan 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 271773
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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62% fewer Medicare Part D claims than the average psychiatry physician in 2024

377 Medicare Part D claims for 93 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Nathan Praschan377
  2. Specialty average1,000

Most prescribed

  1. Escitalopram Oxalate33 claims
  2. Buspirone Hcl23 claims
  3. Lorazepam22 claims
  4. Lamotrigine19 claims
  5. Venlafaxine Hcl Er19 claims
  6. Sertraline Hcl18 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

  1. Brigham And Womens Physicians Organization IncJamaica Plain, MA
  2. Mass General Brigham Medical Group Northern Massachusetts IncSalem, MA
  3. 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).

Nathan C. Praschan among 2,736 psychiatry physician records in Massachusetts

Nathan C. Praschan, MD is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% 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 83% of them.

  • NPI issued2017 · 83% of these records are older, 15% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2017 · median 2005 among the 1,219 with a school on file
  • Record last updated2017 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

845 psychiatry physician records list a practice address in Boston

They are 845 of the 41,865 NPPES records with a practice address in Boston, and 2,736 psychiatry physician records in Massachusetts.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Steven Ablon, MDBoston, MA 021141083604839
  2. Barbara Beck, MDBoston, MA 021141720078272
  3. Judith Edersheim, MDBoston, MA 021141154311835
  4. Karleyton Evans, MDBoston, MA 021141407846058
  5. James Groves, MDBoston, MA 021141013906015
  6. John Herman, MDBoston, MA 021141275523961
  7. Rakesh Karmacharya, MD PHDBoston, MA 021141720078389
  8. Vaughn Mankey, MDBoston, MA 021141225028954

Common questions

What is Nathan C. Praschan, MD's NPI number?

Nathan C. Praschan, MD's National Provider Identifier (NPI) is 1902328396, issued on Jul 7, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Nathan C. Praschan, MD located?

The NPPES record lists a practice address at 55 Fruit St., Boston, MA, 02114. Phone: (617) 726-9550. Providers update this record themselves, so call before visiting.

How can I verify Nathan C. Praschan, MD's license?

NPPES lists Massachusetts license number 271773, 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 Nathan C. Praschan, MD prescribe under Medicare Part D?

In 2024, Nathan C. Praschan, MD had 377 Medicare Part D claims for 93 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.