John Szela, M.D.
NPI 1114988508 · Infectious Disease Physician · Royal Oak, MI
John Szela, M.D. is a Infectious Disease Physician provider in Royal Oak, MI (NPI 1114988508).
Provider details
- NPI number
- 1114988508
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301052681 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
144 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 83 | $131 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 26 | $98 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 22 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $67 |
Typical Medicare-allowed amounts for these services range $67–$131 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 161 | 22 |
| Dolutegravir Sodiumbrand: Tivicay | 109 | — |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 47 | — |
| Darunavir/Cob/Emtri/Tenof Alafbrand: Symtuza | 38 | — |
| Raltegravir Potassiumbrand: Isentress | 36 | — |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 26 | — |
Practice location
Mailing address
Additional practice locations (2)
- 3535 W 13 Mile RdSte 305Royal Oak, MI 48073-6769Phone: (248) 423-3144
- 3535 W 13 Mile Rd Ste LlRoyal Oak, MI 48073-6770Phone: (248) 551-3000
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2025-08-05
- Certified
- 2025-08-05
Frequently asked questions
- What is John Szela's NPI number?
- John Szela's National Provider Identifier (NPI) is 1114988508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Szela's specialty?
- John Szela is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Szela located?
- John Szela's practice location on file with NPPES is 3535 W 13 Mile Rd Ste 605, Royal Oak, MI 48073-6770.
- What is John Szela's phone number?
- The practice phone number listed in the NPPES registry for John Szela is (248) 551-0495.
- Is John Szela's NPI active?
- Yes — John Szela's NPI (1114988508) is active in the NPPES registry as of the last update on 2025-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.