Roger Friedman, MD
NPI 1336147982 · Allergy Physician · Westerville, OH
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roger Friedman, MD is a Allergy Physician provider in Westerville, OH (NPI 1336147982).
Provider details
- NPI number
- 1336147982
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35047371 (OH)
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
20 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
5,929 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 3,908 | $3 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 930 | $13 |
| Professional Service for Single Injection of Allergen95115 | 292 | $9 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 220 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 209 | $120 |
| Professional Service for Multiple Injections of Allergen95117 | 105 | $11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 477 | 125 |
| Ipratropium Bromide | 182 | 69 |
| Azelastine Hcl | 106 | 47 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 77 | 47 |
| Tiotropium Bromidebrand: Spiriva Respimat | 72 | 16 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 72 | 18 |
| Budesonide/Formoterol Fumarate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25,521 across 200 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
- 2005-07-08
- Last updated
- 2023-10-11
- Certified
- 2023-10-11
Frequently asked questions
- What is Roger Friedman's NPI number?
- Roger Friedman's National Provider Identifier (NPI) is 1336147982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Friedman's specialty?
- Roger Friedman is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Friedman located?
- Roger Friedman's practice location on file with NPPES is 477 Cooper Rd Ste 480, Westerville, OH 43081-8095.
- What is Roger Friedman's phone number?
- The practice phone number listed in the NPPES registry for Roger Friedman is (614) 823-7135.
- Does Roger Friedman accept Medicare?
- Roger Friedman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roger Friedman's NPI active?
- Yes — Roger Friedman's NPI (1336147982) is active in the NPPES registry as of the last update on 2023-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.