NPPES file of Aug 9, 2026

Gabriel E. Ryb, M.D.

Surgical Critical Care Physician · Springfield, MA

Gabriel E. Ryb, M.D. is a surgical critical care physician with a practice address in Springfield, Massachusetts, and NPI 1356398366, issued on May 27, 2006. Check the license (Massachusetts 281020, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356398366
Name
Gabriel E. Ryb
Credential
M.D.
Primary taxonomy
Surgical Critical Care Physician 2086S0102X
License numbers
281020 MA
D46937 MD
Self-reported in NPPES; status is on the state search
Practice location
2 Medical Center Drive, Springfield, MA 01107
Phone
(413) 794-8020
Enumerated
May 27, 2006
Record last updated
Sep 13, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(413) 794-2165
Medicare enrollment
Enrolled (PECOS I20190924001772); accepts Medicare assignment
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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8 nearest surgical critical care physician records → All 63 in Massachusetts → Look up another NPI →

Also registered at 2 Medical Center Drive

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

  1. Mazen Al-Mansour, M.B.B.SSurgery Physician1316146756
  2. Jaines Andrades, NPAcute Care Nurse Practitioner1649898065
  3. Paula Brooks, NPFamily Nurse Practitioner1831140987
  4. Daniel Fish, M.D.Surgery Physician1518109875
  5. Bree Kaizen, PASurgical Physician Assistant1285168765
  6. Kamal Kalia, MDNeurological Surgery Physician1477635134

Verify Gabriel E. Ryb 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 281020    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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Bills Medicare through one group practice

  1. Baystate Medical Practices IncSpringfield, MA

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

Gabriel E. Ryb among 63 surgical critical care physician records in Massachusetts

Gabriel E. Ryb, M.D. is one of 63 surgical critical care 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. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 60% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1987 · median 2008 among the 47 with a school on file
  • Record last updated2019 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0102X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Critical Care Physician providers in Massachusetts

There are 63 surgical critical care physician records in Massachusetts.

All 63 in Massachusetts → Every provider in Springfield → Surgical Critical Care Physician nationwide →

The 8 surgical critical care physician records with the nearest ZIP codes

  1. Karlbuto Alexandre, DOSpringfield, MA 011071043873581
  2. Andrew Doben, MDSpringfield, MA 011071144398926
  3. Tovy Kamine, M.D.Springfield, MA 011071851612006
  4. Edward Kelly, MDSpringfield, MA 011071912963265
  5. Kristina Kramer, MDSpringfield, MA 011071922393149
  6. Adin Putnam, MDSpringfield, MA 011071932136298
  7. Jacques Townsend, DOSpringfield, MA 011071093235269
  8. Jonson Yee, MDWorcester, MA 016051356722623

Common questions

What is Gabriel E. Ryb, M.D.'s NPI number?

Gabriel E. Ryb, M.D.'s National Provider Identifier (NPI) is 1356398366, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gabriel E. Ryb, M.D. located?

The NPPES record lists a practice address at 2 Medical Center Drive, Springfield, MA, 01107. Phone: (413) 794-8020. Providers update this record themselves, so call before visiting.

How can I verify Gabriel E. Ryb, M.D.'s license?

NPPES lists Massachusetts license number 281020, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.