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Edit this profileAt a glance
- 477 Cooper Rd Ste 480, Westerville, OH 43081
About Dr. Friedman
Based in Westerville, OH, Roger Friedman, MD is listed in the NPI registry under allergy. Roger graduated from Ohio State University College of Medicine in 1977. According to Medicare claims data, Roger cared for 752 Medicare patients across 5,929 services. The services billed most often include test for allergy using allergenic extract, professional service for preparation and provision of 1 or more antigens, and professional service for single injection of allergen. NPI 1336147982 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (614) 823-7135
- Email not available
Practice Locations
477 COOPER RD STE 480
Westerville, OH 43081
Procedures Most Often Billed to Medicare
5,929 services · 752 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
3,908 | More often than most peers in Allergy |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
930 | As often as other peers in Allergy |
| Professional service for single injection of allergen | Treatment | 95115 |
292 | More often than most peers in Allergy |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
220 | As often as other peers in Allergy |
| Professional service for multiple injections of allergen | Treatment | 95117 |
105 | Less often than most peers in Allergy |
| Test to measure rate of airflow | Treatment | 94375 |
99 | More often than most peers in Allergy |
| Test to measure the level of nitric oxide gas | Treatment | 95012 |
56 | As often as other peers in Allergy |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
209 | More often than most peers in Allergy |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
49 | As often as other peers in Allergy |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
43 | More often than most peers in Allergy |
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.
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.
Trained at Ohio State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 11 related providers in 2 groups
Class of 1977 at Ohio State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 3
Providers in OH who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Friedman?
Dr. Friedman is an allergy in Westerville, OH. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Friedman's address?
Dr. Friedman is listed at 477 Cooper Rd Ste 480, Westerville, OH 43081. 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. Friedman?
The number on file is (614) 823-7135. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Friedman's NPI number?
Dr. Friedman's National Provider Identifier is 1336147982. 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. Friedman train?
Dr. Friedman attended Ohio State University College of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Friedman been practicing?
Dr. Friedman has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Friedman perform?
According to Medicare billing data, Dr. Friedman provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Friedman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Friedman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.