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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DOUGLAS B KOLARIK M.D.
NPI 1306966825
Internal Medicine in Fairlawn, OH

Active since March 29, 2007PECOS EnrolledAccepts Medicare Assignment
822 KUMHO DR, STE 202, FAIRLAWN, OH 44333(330) 576-0500(330) 576-0467 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Douglas B Kolarik M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DOUGLAS B KOLARIK M.D. (NPI 1306966825) is an individual internal medicine provider in Fairlawn, Ohio, licensed in Ohio (35089397) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Summa Health System, and is a graduate of Ohio State University College Of Medicine (2004).

NPPES Registry Identity

NPI1306966825
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DOUGLAS B KOLARIKCredential: M.D.
Location Address822 KUMHO DR, STE 202Fairlawn, OH 44333-9297
Mailing Address822 Kumho Dr, Ste 202Fairlawn, OH 44333-9297 · (330) 576-0500 · Fax (330) 576-0467
Phone(330) 576-0500
Fax(330) 576-0467
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 2004
Enumeration DateMarch 29, 2007
Last NPPES UpdateSeptember 29, 2026
✔ NPI 1306966825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OH · 35089397
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 35089397 (OH)
822 KUMHO DR, Fairlawn, OH 44333
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Other Identifiers 3

Medicaid2755880OH
Other000000532578OH · Anthem
Other0100000532578OH · Anthem

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Douglas B Kolarik M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830299783
PECOS Enrollment IDI20070709000092
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Douglas Kolarik reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

4M Hospitalist Services, LLC
7.7 mi
Internal Medicine
525 E MARKET ST
Akron, OH 44304
  • Reassigned Medicare billing, Ohio enrollment
  • 259 clinicians in this Medicare group
NPI 1508288531 (844) 474-4019
Inpatient Medical Services, Inc.
12 mi
Internal Medicine
5700 DARROW RD STE 106
Hudson, OH 44236
  • Reassigned Medicare billing, Ohio enrollment
  • 215 clinicians in this Medicare group
NPI 1093756314 (844) 474-4019
Usacs Integrated Acute Care Services Of Ohio, LLC
141 mi
Internal Medicine
100 MEDICAL CENTER DR
Springfield, OH 45504
  • Reassigned Medicare billing, Ohio enrollment
  • 494 clinicians in this Medicare group
NPI 1043805690 (844) 474-4019

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
237 services101 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
111 services55 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
108 services107 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
19 services19 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Summa Health System

Acute Care Hospitals · Akron, OH
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360020
Location525 East Market StreetAkron, OH 44309 · Summit County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44333 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier32 claims32 services$14.04 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier42 claims42 services$64.36 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TERI SANOR M.D.
Internal Medicine
822 KUMHO DR, MEDICAL EDUCATION
FAIRLAWN, OH 44333
Summit County (330) 576-0500
SABA SHEIK M.D.
Internal Medicine
822 KUMHO DR, STE 202
FAIRLAWN, OH 44333
Summit County (330) 576-0500
JOONG SHIN M.D.
Internal Medicine
822 KUMHO DR, SUITE 202
FAIRLAWN, OH 44333
Summit County (330) 576-0500
MRS. KAREN MARIE DILLARD PA-C
Physician Assistant
822 KUMHO DR, SUITE 202
FAIRLAWN, OH 44333
Summit County (330) 576-0500
STEVEN B PARKER M.D.
Internal Medicine
822 KUMHO DR, STE 202
FAIRLAWN, OH 44333
Summit County (330) 576-0500
JOHN FU M.D.
Internal Medicine
822 KUMHO DR, SUITE 202
FAIRLAWN, OH 44333
Summit County (330) 576-0500
ANTHONY J MUNI MD
Internal Medicine
822 KUMHO DR, SUITE 202
FAIRLAWN, OH 44333
Summit County (330) 576-0500
PADMAJA DUDDELLA M.D.
Internal Medicine
822 KUMHO DR, SUITE 202
FAIRLAWN, OH 44333
Summit County (330) 576-0500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Douglas Kolarik's NPI number?

The NPI number for Douglas Kolarik is 1306966825. It was assigned to this individual provider in the NPPES registry on March 29, 2007.

Where is Douglas Kolarik located?

Douglas Kolarik practices at 822 Kumho Dr Ste 202, Fairlawn, OH 44333. The listed phone number is (330) 576-0500.

What is Douglas Kolarik's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Douglas Kolarik enrolled in Medicare?

Yes. Douglas Kolarik is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Douglas Kolarik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Kolarik reassigns Medicare benefits to 3 organizations: 4M Hospitalist Services, LLC (Akron, OH), Inpatient Medical Services, Inc. (Hudson, OH) and Usacs Integrated Acute Care Services Of Ohio, LLC (Springfield, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Douglas Kolarik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Douglas Kolarik accept?

Health plans from CareSource list Douglas Kolarik as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Douglas Kolarik affiliated with any hospitals?

According to CMS data, Douglas Kolarik is affiliated with Summa Health System.

When was this NPI record last updated?

The NPPES record for Douglas Kolarik was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.