Mercedes J. Szpunar, MD
Psychiatry Physician · Boston, MA
Mercedes J. Szpunar, MD is a psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1912312380, issued on Jun 24, 2014. Check the license (Massachusetts 283595, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mercedes J. Szpunar
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 283595 MA
A137678 CA
Self-reported in NPPES; status is on the state search - Practice location
- 185 Cambridge St, Boston, MA 02114
- Phone
- (617) 724-7792
- Enumerated
- Jun 24, 2014
- Record last updated
- Aug 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181203002304); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2014
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Also registered at 185 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taylor Burke, PH.D.Psychologist1043965627
- Maria Buttolph, MD PHDPsychiatry Physician1689659146
- Jin Yun ChenGenetic Counselor (M.S.)1730606278
- Anne Chosak, PHDPsychologist1306865324
- Rebecca Fortgang, PHDClinical Psychologist1093483265
Verify Mercedes J. Szpunar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 283595Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Hoag ClinicSan Clemente, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mercedes J. Szpunar among 2,736 psychiatry physician records in Massachusetts
Mercedes J. Szpunar, 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 2014, is newer than 76% of them.
- NPI issued2014 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2014 · median 2005 among the 1,219 with a school on file
- Record last updated2020 · 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.
All 2,736 in Massachusetts → Every provider in Boston → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Steven Ablon, MDBoston, MA 021141083604839
- Barbara Beck, MDBoston, MA 021141720078272
- Judith Edersheim, MDBoston, MA 021141154311835
- Karleyton Evans, MDBoston, MA 021141407846058
- James Groves, MDBoston, MA 021141013906015
- John Herman, MDBoston, MA 021141275523961
- Rakesh Karmacharya, MD PHDBoston, MA 021141720078389
- Vaughn Mankey, MDBoston, MA 021141225028954
Common questions
What is Mercedes J. Szpunar, MD's NPI number?
Mercedes J. Szpunar, MD's National Provider Identifier (NPI) is 1912312380, issued on Jun 24, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mercedes J. Szpunar, MD located?
The NPPES record lists a practice address at 185 Cambridge St, Boston, MA, 02114. Phone: (617) 724-7792. Providers update this record themselves, so call before visiting.
How can I verify Mercedes J. Szpunar, MD's license?
NPPES lists Massachusetts license number 283595, 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. 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.