Ryan Tremb, D.O.
NPI 1568638989 · Family Medicine Physician · Ottawa, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Tremb, D.O. is a Family Medicine Physician provider in Ottawa, IL (NPI 1568638989).
Provider details
- NPI number
- 1568638989
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036119146 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,862 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anticoagulant Management of Patient Taking Warfarin93793 | 1,251 | $11 |
| Blood Test, Clotting Time85610 | 432 | $4 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 146 | $9 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 22 | $6 |
| Administration of Influenza Virus VaccineG0008 | 11 | $31 |
Typical Medicare-allowed amounts for these services range $4–$31 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 127 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 471 | 137 |
| Levothyroxine Sodium | 291 | 66 |
| Gabapentin | 272 | 49 |
| Metformin Hcl | 266 | 65 |
| Omeprazole | 262 | 69 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 237 | 74 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,084 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-06
- Last updated
- 2015-10-23
Frequently asked questions
- What is Ryan Tremb's NPI number?
- Ryan Tremb's National Provider Identifier (NPI) is 1568638989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Tremb's specialty?
- Ryan Tremb is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Tremb located?
- Ryan Tremb's practice location on file with NPPES is 1614 E Norris Dr, Ottawa, IL 61350-3681.
- What is Ryan Tremb's phone number?
- The practice phone number listed in the NPPES registry for Ryan Tremb is (815) 433-1010.
- Does Ryan Tremb accept Medicare?
- Ryan Tremb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Tremb's NPI active?
- Yes — Ryan Tremb's NPI (1568638989) is active in the NPPES registry as of the last update on 2015-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.