Mark Slepian, M.D.
NPI 1558350314 · Diagnostic Radiology Physician · Mesa, AZ
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Slepian, M.D. is a Diagnostic Radiology Physician provider in Mesa, AZ (NPI 1558350314).
Provider details
- NPI number
- 1558350314
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 28196 (AZ)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
6,132 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 953 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 693 | $38 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 490 | $82 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 297 | $81 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 282 | $79 |
| Ct Scan of Upper Spine Without Contrast72125 | 267 | $45 |
Practice location
Mailing address
Additional practice locations (1)
- 1201 S Alma School RdSuite 14000Mesa, AZ 85210-2008Phone: (480) 545-8119Fax: (480) 926-8332
Registry dates
- Enumerated
- 2005-10-14
- Last updated
- 2019-02-11
Frequently asked questions
- What is Mark Slepian's NPI number?
- Mark Slepian's National Provider Identifier (NPI) is 1558350314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Slepian's specialty?
- Mark Slepian is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Slepian located?
- Mark Slepian's practice location on file with NPPES is 6424 E Broadway Rd Ste 101, Mesa, AZ 85206-1750.
- What is Mark Slepian's phone number?
- The practice phone number listed in the NPPES registry for Mark Slepian is (480) 456-9000.
- Does Mark Slepian accept Medicare?
- Mark Slepian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Slepian's NPI active?
- Yes — Mark Slepian's NPI (1558350314) is active in the NPPES registry as of the last update on 2019-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.