Douglas Kolarik, M.D.
NPI 1306966825 · Internal Medicine Physician · Fairlawn, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Kolarik, M.D. is a Internal Medicine Physician provider in Fairlawn, OH (NPI 1306966825).
Provider details
- NPI number
- 1306966825
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35089397 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
475 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 237 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 111 | $106 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 108 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $156 |
Typical Medicare-allowed amounts for these services range $73–$156 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Spironolactone | 48 | 14 |
| Metoprolol Succinate | 34 | 12 |
| Dapagliflozin Propanediolbrand: Farxiga | 32 | — |
| Apixabanbrand: Eliquis | 25 | 14 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 24 | — |
| Amlodipine Besylate | 22 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-29
- Last updated
- 2009-04-22
Frequently asked questions
- What is Douglas Kolarik's NPI number?
- Douglas Kolarik's National Provider Identifier (NPI) is 1306966825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Kolarik's specialty?
- Douglas Kolarik is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Kolarik located?
- Douglas Kolarik's practice location on file with NPPES is 822 Kumho Dr, Fairlawn, OH 44333-9297.
- What is Douglas Kolarik's phone number?
- The practice phone number listed in the NPPES registry for Douglas Kolarik is (330) 576-0500.
- Does Douglas Kolarik accept Medicare?
- Douglas Kolarik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Kolarik's NPI active?
- Yes — Douglas Kolarik's NPI (1306966825) is active in the NPPES registry as of the last update on 2009-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.