Dr. Ryan Gregory Thomas, MD

  • Grand Rapids, MI
  • Pediatric pulmonology physician
NPI1245527159
Part D claims, 2024
104
Publications
1
Industry payments
$14,518
Affiliated sites
5
Medical groups
5
Practice address
35 Michigan NE St, Grand Rapids, MI 49503
Practice phone
Call (517) 484-0004
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Corewell Health Medical Group West

Grand Rapids, Michigan

See all 11 affiliations

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Dr. Ryan Gregory Thomas is a pediatric pulmonology physician in Grand Rapids, Michigan

Dr. Thomas practices at Corewell Health Medical Group West in Grand Rapids, Michigan.

Dr. Thomas' NPI, 1245527159, was assigned on June 30, 2011. Dr. Thomas graduated from Wayne State University School Of Medicine in 2011. Dr. Thomas holds Michigan license 4301098814.

NPI and contact details
NPI enumeration date
June 30, 2011
NPI status
Active
Practice phone
(517) 484-0004
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
41
Medical school graduation
2011

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Ryan Gregory Thomas practices at Corewell Health Medical Group West in Grand Rapids, Michigan

Dr. Thomas' primary practice is Corewell Health Medical Group West, at 35 Michigan NE St, Grand Rapids, MI 49503 in Kent County. The practice phone is (517) 484-0004.

  • Corewell Health Medical Group West
    35 Michigan NE St, Grand Rapids, MI 49503 · Kent CountyPhone(517) 484-0004

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Ryan Gregory Thomas is affiliated with 6 sites of care and 5 medical groups

Dr. Thomas' primary practice is Corewell Health Medical Group West in Grand Rapids, Michigan. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Thomas to 5 more group practices and clinics and 4 medical groups, each named with a free account.

See all 11 affiliations for Dr. Thomas

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Ryan Gregory Thomas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Corewell Health Medical Group WestAvailable with a free account
+5 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ryan Gregory Thomas is one of 28 pediatric pulmonology physicians in Michigan

Pediatric pulmonology is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 2080P0214X. Dr. Thomas is board certified in pediatric pulmonology by the American Board of Pediatrics. Dmand AI has Dr. Thomas' licenses on file in 2 states: Michigan and Ohio.

Specialties and state licenses

  • Pediatric pulmonology, MichiganPrimaryLicense 4301098814 · 2011 to 2027 · taxonomy 2080P0214X
  • Ohio license2014 to 2017

Clinical focus

Dmand AI lists asthma, pleural effusion and pneumonia among the conditions Dr. Thomas treats.

Pediatric pulmonology physicians near Dr. Thomas

Counts of pediatric pulmonology physicians with a Dmand AI profile, by place and practice. Each opens the list.

28pediatric pulmonology physicians in Michigan
7pediatric pulmonology physicians in Grand Rapids

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ryan Gregory Thomas' patients have a median age of 9

Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 9, with 41% women.

Dr. Thomas' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 9

Patient panel by sex, all payers

  • Women41%
  • Men59%

Source: Dmand AI Patient Panel Data

Dr. Ryan Gregory Thomas wrote 104 Medicare Part D claims in 2024

In 2024, Dr. Thomas wrote 104 Medicare Part D claims. 59% of them were for generic drugs. CMS names the drug for 41 of them, across 3 drugs with 11 or more claims each, at $1,867 in total drug cost. In 2022, CMS named 16 claims across 1 drug.

Part D claims, 2024104
Drugs named by CMS3
Total drug cost$1,867

Dr. Thomas' Part D claims by kind of drug, 2024

  • Generic61 claims59%
  • Brand-name43 claims41%

Dr. Thomas' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Thomas' Part D claims, 2024

  • Antibiotics13%13 of 104 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 162024: 41156%

Drugs named by CMS: 3 in 2024, 1 in 2022.

See all prescribing by Dr. Thomas

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Ryan Gregory Thomas has 1 publication on record

Dmand AI links 1 paper to Dr. Thomas in 2017. Dr. Thomas' most frequent co-author is Benjamin M. Gaston, MD.

Papers1

Dr. Thomas' most frequent co-authors

Recent publications by Dr. Thomas

See all 1 publications and co-authors

See who Dr. Thomas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thomas works with, so you can find a warm path to the right pediatric pulmonology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ryan Gregory Thomas received $14,518 in industry payments from 2016 to 2025

CMS Open Payments shows 104 general payments to Dr. Thomas from 19 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 71% of the total. Vertex Pharmaceuticals Incorporated paid the most, $12,541.

General payments to Dr. Thomas by program year, 2016 to 2025

General payments to Dr. Thomas by kind, 2016 to 2025

$14.5Kin total
  • Consulting fees$10,26671%
  • Food and beverage$2,77419%
  • Travel and lodging$1,3439%
  • Education$1361%

Companies that paid Dr. Thomas the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Thomas

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ryan Gregory Thomas graduated from Wayne State University School Of Medicine

Dr. Thomas graduated from Wayne State University School Of Medicine in 2011.

  1. Medical schoolWayne State University School Of Medicine
  2. Board certified in pediatric pulmonologyAmerican Board of Pediatrics
  3. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Ryan Gregory Thomas accepts plans from 10 insurance carriers

Dr. Thomas is in network with 10 carriers, including Aetna, Health Alliance Plan and Priority Health. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Health Alliance Plan
  • Priority Health
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • CMS Medicare
  • McLaren Health Plan
  • +2 more carriersWith a free account

Plan types Dr. Thomas accepts, by number of carriers

  1. HMO7
  2. Medicare7
  3. PPO5
  4. POS4
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ryan Gregory Thomas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ryan Gregory Thomas

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Ryan Gregory Thomas' NPI number?

Dr. Ryan Gregory Thomas' NPI number is 1245527159. It was assigned on June 30, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Ryan Gregory Thomas?

Dr. Ryan Gregory Thomas is a pediatric pulmonology physician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Pediatric Pulmonology Physician (taxonomy code 2080P0214X).

Where does Dr. Ryan Gregory Thomas practice?

Dr. Thomas practices at 35 Michigan NE St, Grand Rapids, MI 49503. Dr. Thomas' primary practice is Corewell Health Medical Group West in Grand Rapids, Michigan. Dmand AI also links Dr. Thomas to 5 group practices and clinics and 4 medical groups.

What is Dr. Ryan Gregory Thomas' office phone number?

The practice phone on file for Dr. Thomas is (517) 484-0004.

What is Dr. Ryan Gregory Thomas' medical license number?

Dr. Thomas holds Michigan license 4301098814, one of the licenses on file in 2 states.

Which states has Dr. Ryan Gregory Thomas been licensed in?

Dmand AI has state licenses on file for Dr. Thomas in Michigan (2011 to 2027) and Ohio (2014 to 2017).

What medical group is Dr. Ryan Gregory Thomas part of?

Dr. Thomas is linked to Corewell Health Medical Group West. Dmand AI links Dr. Thomas to 4 more medical groups.

Is Dr. Ryan Gregory Thomas board certified?

Yes. Dr. Thomas is board certified in pediatric pulmonology by the American Board of Pediatrics.

Where did Dr. Ryan Gregory Thomas go to medical school?

Dr. Thomas graduated from Wayne State University School Of Medicine in 2011.

What drugs does Dr. Ryan Gregory Thomas prescribe most?

In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Albuterol Sulfate Hfa, Glycopyrrolate and Mometasone Furoate.

Show 5 more questionsShow fewer questions

Has Dr. Ryan Gregory Thomas received payments from drug or device companies?

CMS Open Payments shows $14,518 in general payments to Dr. Thomas from 19 companies from 2016 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.

How long has Dr. Ryan Gregory Thomas been practicing?

Dr. Thomas graduated from medical school in 2011, 15 years ago.

Does Dr. Ryan Gregory Thomas do research?

Dmand AI links 1 publication to Dr. Thomas.

Who does Dr. Ryan Gregory Thomas publish with?

Dr. Thomas' most frequent co-authors are Benjamin M. Gaston, MD (1 shared paper).

What insurance does Dr. Ryan Gregory Thomas accept?

Dr. Thomas is in network with 10 carriers, including Aetna, Health Alliance Plan and Priority Health. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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