NPPES file of Aug 9, 2026

John H. Schwartz, MD

Nephrology Physician · Boston, MA

John H. Schwartz, MD is a nephrology physician with a practice address in Boston, Massachusetts, and NPI 1629026737, issued on May 4, 2006. Check the license (Massachusetts 30789, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1629026737
Name
John H. Schwartz
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
30789 MA
Self-reported in NPPES; status is on the state search
Practice location
725 Albany St, Boston, MA 02118
Phone
(617) 414-8601
Enumerated
May 4, 2006
Record last updated
Mar 23, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(617) 414-8664
Medicaid ID
110037426A MA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 725 Albany St

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

  1. Myriam Abdennadher, M.D.Epilepsy Physician1407290133
  2. Carlos Acuna-VillaordunaInfectious Disease Physician1598922742
  3. Daniel Alford, M.D., M.P.H.Internal Medicine Physician1194708628
  4. Paul Ambrose, PA-CPhysician Assistant1730631557
  5. Naomi Amudala, NPFamily Nurse Practitioner1154655348
  6. Tufik Assad, M.D.Pulmonary Disease Physician1093941890

Verify John H. Schwartz 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 30789
    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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Nephrology Physician providers in Massachusetts

There are 417 nephrology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other nephrology physician records in Massachusetts

  1. Amtul Aala, MDBoston, MA1174946347
  2. Reza Abdi, MDBoston, MA1356359368
  3. Marat Abdullin, M.D.Springfield, MA1619159712
  4. Vivian AbernethyBoston, MA1710960232
  5. Rekha Abichandani, M.D.Cambridge, MA1912033598
  6. Konstantin Abramov, M.D.Worcester, MA1992854707
  7. Krishna Agarwal, M.B.B.S.Springfield, MA1477916120
  8. Nikhil AgrawalBoston, MA1467722579
  9. Ayman Al Jurdi, M.D.Boston, MA1043690332
  10. Laith Al Rabadi, M.D.Boston, MA1821309188

Common questions

What is John H. Schwartz, MD's NPI number?

John H. Schwartz, MD's National Provider Identifier (NPI) is 1629026737, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John H. Schwartz, MD located?

The NPPES record lists a practice address at 725 Albany St, Boston, MA, 02118. Phone: (617) 414-8601. Providers update this record themselves, so call before visiting.

How can I verify John H. Schwartz, MD's license?

NPPES lists Massachusetts license number 30789, 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.