Dr. Ryan Gregory Thomas, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Corewell Health Medical Group West
Grand Rapids, Michigan
Find Dr. Thomas' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1245527159NPI Registry (opens in a new tab)
- NPI enumeration date
- June 30, 2011
- NPI status
- Active
- Practice phone
- (517) 484-0004
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 West35 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.
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.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Medical Group West | Available with a free account |
| +5 more sites and 4 medical groups | Available 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, MichiganPrimary
- Ohio license
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.
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.
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.
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.
Dr. Thomas' most frequent co-authors
Recent publications by Dr. Thomas
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.
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
- 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.
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.
- Medical school
- Board certified in pediatric pulmonology
- Board certified in 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
- HMO7
- Medicare7
- PPO5
- POS4
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ryan Gregory Thomas's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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.
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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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