Mark Kellam, MD
NPI 1356346449 · Emergency Medicine Physician · Cincinnati, OH
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kellam, MD is a Emergency Medicine Physician provider in Cincinnati, OH (NPI 1356346449).
Provider details
- NPI number
- 1356346449
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35076218 (OH)
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
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
115 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 54 | $165 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 48 | $115 |
| Critical Care, First 30-74 Minutes99291 | 13 | $203 |
Typical Medicare-allowed amounts for these services range $115–$203 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 32 | 30 |
| Ondansetronbrand: Ondansetron Odt | 27 | 26 |
| Prednisone | 17 | 15 |
| Cephalexin | 16 | 16 |
| Ibuprofen | 16 | 16 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 16 | 16 |
| Doxycycline Hyclate | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-16
- Last updated
- 2008-04-27
Frequently asked questions
- What is Mark Kellam's NPI number?
- Mark Kellam's National Provider Identifier (NPI) is 1356346449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kellam's specialty?
- Mark Kellam is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Kellam located?
- Mark Kellam's practice location on file with NPPES is 3131 Queen City Ave, Cincinnati, OH 45238-2316.
- What is Mark Kellam's phone number?
- The practice phone number listed in the NPPES registry for Mark Kellam is (513) 557-3333.
- Does Mark Kellam accept Medicare?
- Mark Kellam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kellam's NPI active?
- Yes — Mark Kellam's NPI (1356346449) is active in the NPPES registry as of the last update on 2008-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.