Physician Profile
Unclaimed ProfileAbout STOLAR
Mark W Stolar, M.D. practises internal medicine in Woodstock, IL. Mark is a 1979 graduate of University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Stolar?
Dr. Stolar is an internal medicine in Woodstock, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Stolar's address?
Dr. Stolar is listed at 3707 DOTY RD STE E&F, Woodstock, IL 60098. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Stolar?
The number on file is (815) 338-6600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Stolar?
Dr. Stolar's National Provider Identifier is 1396784591. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Stolar train?
Dr. Stolar attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Stolar have?
Dr. Stolar has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Stolar perform?
According to Medicare billing data, Dr. Stolar provides treatments such as influenza vaccine split virus, preservative free and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Stolar's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Stolar. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (815) 338-6600
- Email not available
Practice Locations
3707 DOTY RD STE E&F
Woodstock, IL 60098
Procedures Most Often Billed to Medicare
1,427 services · 1,215 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
75 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
36 |
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
35 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
25 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
333 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
258 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
236 |
| Hemoglobin a1c level | Lab test | 83036 |
174 |
| Administration of influenza virus vaccine | Billing code | G0008 |
81 |
| Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | Billing code | G0402 |
32 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 25 related providers in 4 groups
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine split virus, preservative free 8
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.