NPPES file of Aug 9, 2026

Ryan Gregory Thomas, M.D.

Pediatric Pulmonology Physician · Lansing, MI

Ryan Gregory Thomas, M.D. is a pediatric pulmonology physician with a practice address in Lansing, Michigan, and NPI 1245527159, issued on Jun 30, 2011. Check the license (Michigan 4301098814, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1245527159
Name
Ryan Gregory Thomas
Credential
M.D.
Primary taxonomy
Pediatric Pulmonology Physician 2080P0214X
License number
4301098814 MI
Self-reported in NPPES; status is on the state search
Practice location
3220 Discovery Dr Ste 210, Lansing, MI 48910
Phone
(517) 484-0004
Enumerated
Jun 30, 2011
Record last updated
Jun 27, 2025
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 3220 Discovery Dr Ste 210

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

  1. Cassandra Grimes, NPFamily Nurse Practitioner1235530064

Verify Ryan Gregory Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301098814
    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 Michigan license search

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13% fewer Medicare Part D claims than the average pediatric pulmonology physician in 2024

104 Medicare Part D claims, against an average of 119 among the 263 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Ryan Thomas104
  2. Specialty average119

Most prescribed

  1. Albuterol Sulfate Hfa15 claims
  2. Glycopyrrolate13 claims
  3. Mometasone Furoate13 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.

Industry payments in 2024: $2,132.65

26 payments; by number, the most common kind was food and beverage; the largest payer was Vertex Pharmaceuticals Incorporated. The 621 providers of this specialty with any payment received $1,494.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ryan Thomas$2,132.65
  2. Specialty average$1,494.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Ryan Gregory Thomas among 34 pediatric pulmonology physician records in Michigan

Ryan Gregory Thomas, M.D. is one of 34 pediatric pulmonology physician records with a practice address in Michigan. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 68% of them.

  • NPI issued2011 · 68% of these records are older, 26% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2025 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0214X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Pulmonology Physician providers in Michigan

There are 34 pediatric pulmonology physician records in Michigan.

The 8 pediatric pulmonology physician records with the nearest ZIP codes

  1. Richard Honicky, M.D.Lansing, MI 489121326059031
  2. Martin Hurwitz, MDEast Lansing, MI 488231417939778
  3. Wan Tsai, MDEast Lansing, MI 488231528074705
  4. Mariam Ischander, M.D.Kalamazoo, MI 490081356474530
  5. Douglas Homnick, M.D.Kalamazoo, MI 490481942279815
  6. Leela Chandrasekar, MDGrand Rapids, MI 495031053872838
  7. Charles McCaslin, M.D.Grand Rapids, MI 495031538378724
  8. Susan Millard, MDGrand Rapids, MI 495031144296344

Common questions

What is Ryan Gregory Thomas, M.D.'s NPI number?

Ryan Gregory Thomas, M.D.'s National Provider Identifier (NPI) is 1245527159, issued on Jun 30, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Gregory Thomas, M.D. located?

The NPPES record lists a practice address at 3220 Discovery Dr Ste 210, Lansing, MI, 48910. Phone: (517) 484-0004. Providers update this record themselves, so call before visiting.

How can I verify Ryan Gregory Thomas, M.D.'s license?

NPPES lists Michigan license number 4301098814, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ryan Gregory Thomas, M.D. prescribe under Medicare Part D?

In 2024, Ryan Gregory Thomas, M.D. had 104 Medicare Part D claims; the average among pediatric pulmonology physician prescribers was 119. 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.