RYAN GREGORY THOMAS (M.D.) – Pediatric Pulmonology Physician, NPI 1245527159
Pediatric Pulmonology Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,204 PEDIATRIC MEDICINE in MI
Provider Addresses for RYAN GREGORY THOMAS (M.D.)
4660 S HAGADORN RD
STE 405
EAST LANSING, MI 48823
Phone: (517) 884-8600
Fax: (517) 884-8650
Type: Mailing
4660 S HAGADORN RD STE 405
EAST LANSING, MI 488236819
Phone: (517) 884-8600
Fax: (517) 884-8650
Type: Location
804 SERVICE RD STE A109B
EAST LANSING, MI 488247015
Phone: (517) 353-4911
Fax: (517) 432-3928
Type: Mailing
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 495032560
Phone:
Type: Mailing
3220 DISCOVERY DR STE 210
LANSING, MI 489108609
Phone: (517) 484-0004
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 47 Open Payments records for all available years, with a total value of $4,138.
Total Amount is formed as General ($4,138) + Research ($0) + Ownership ($0) = $4,138.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Vertex Pharmaceuticals Incorporated ($1,725).
Total Amount
$4,138
General + Research + Ownership
Payments
47
Total payment records
General Amount
$4,138
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Vertex Pharmaceuticals Incorporated | $1,725 |
| VERTEX PHARMACEUTICALS INCORPORATED | $1,450 |
| Mylan Specialty L.P. | $224 |
| Baxter Healthcare | $103 |
| Regeneron Healthcare Solutions, Inc. | $60 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-06-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170627003017 | I | Pediatric Medicine | MI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 48823)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Osteopathic Manipulative Medicine | MI | |
| Osteopathic Manipulative Medicine | MI | |
| Family Practice | MI | |
| Osteopathic Manipulative Medicine | MI | |
| - | MI | |
| Physical Medicine And Rehabilitation, Osteopathic Manipulative Medicine | MI | |
| Osteopathic Manipulative Medicine | MI | |
| - | MI | |
| Internal Medicine | MI | |
| P S Y C H I A T R Y | MI |
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