Nicholas Graff, D.O.
NPI 1902242373 · Emergency Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Graff, D.O. is a Emergency Medicine Physician provider in Chicago, IL (NPI 1902242373).
Provider details
- NPI number
- 1902242373
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036139433 (IL)
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
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
869 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 274 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 166 | $97 |
| X-Ray of Chest, 2 Views71046 | 89 | $25 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $137 |
| Automated Urinalysis Test81003 | 40 | $2 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 35 | 35 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 28 | 28 |
| Mupirocin | 23 | 21 |
| Azithromycin | 19 | 19 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 17 | 16 |
| Cyclobenzaprine Hcl | 14 | 11 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 11 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 1234 Napier AveSaint Joseph, MI 49085-2112Phone: (269) 982-4941
Registry dates
- Enumerated
- 2013-05-13
- Last updated
- 2022-08-05
- Certified
- 2022-08-05
Frequently asked questions
- What is Nicholas Graff's NPI number?
- Nicholas Graff's National Provider Identifier (NPI) is 1902242373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Graff's specialty?
- Nicholas Graff is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Graff located?
- Nicholas Graff's practice location on file with NPPES is 635 N Dearborn St Ste 100, Chicago, IL 60654-4618.
- What is Nicholas Graff's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Graff is (312) 694-2127.
- Does Nicholas Graff accept Medicare?
- Nicholas Graff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Graff's NPI active?
- Yes — Nicholas Graff's NPI (1902242373) is active in the NPPES registry as of the last update on 2022-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.