What is Mark Whitaker's NPI number?

Mark Whitaker's National Provider Identifier (NPI) is 1366414112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Whitaker's specialty?

Mark Whitaker is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).

Where is Mark Whitaker located?

Mark Whitaker's practice location on file with NPPES is 21 Crossroads Dr, Owings Mills, MD 21117-5441.

What is Mark Whitaker's phone number?

The practice phone number listed in the NPPES registry for Mark Whitaker is (410) 356-8186.

Does Mark Whitaker accept Medicare?

Mark Whitaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Mark Whitaker's NPI active?

Yes — Mark Whitaker's NPI (1366414112) is active in the NPPES registry as of the last update on 2025-09-11.

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Mark Whitaker, M.D.

NPI 1366414112 · Vascular & Interventional Radiology Physician · Owings Mills, MD

Mark Whitaker, M.D. is a Vascular & Interventional Radiology Physician provider in Owings Mills, MD (NPI 1366414112).

Provider details

NPI number: 1366414112
Entity type: Individual
Primary specialty: Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
License: D0050635 (MD)

Practice location

21 Crossroads Dr

Ste 100

Owings Mills, MD 21117-5441

Phone: (410) 356-8186

Fax: (410) 356-4180

Street-level locationGet directions

More MD providers

Mailing address

10373a Reisterstown Rd

Owings Mills, MD 21117-3617

Specialties & taxonomies

Vascular & Interventional Radiology PhysicianPrimary2085R0204XLicense D0050635 (MD)
Allopathic & Osteopathic Physicians
Diagnostic Radiology Physician2085R0202XLicense D0050635 (MD)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(86/100 index)

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
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
2,786 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)
Screening 3d Breast Mammography77063	251	$24
Screening Mammography77067	248	$92
Mri Scan of Lower Spinal Canal Without Contrast72148	222	$173
Mri Scan of Leg Joint Without Contrast73721	164	$181
Mri Scan of Upper Spinal Canal Without Contrast72141	156	$166
Mri Scan of Brain Without Contrast70551	129

Enumerated: 2006-02-06
Last updated: 2025-09-11

Frequently asked questions

What is Mark Whitaker's NPI number?: Mark Whitaker's National Provider Identifier (NPI) is 1366414112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mark Whitaker's specialty?: Mark Whitaker is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
Where is Mark Whitaker located?: Mark Whitaker's practice location on file with NPPES is 21 Crossroads Dr, Owings Mills, MD 21117-5441.
What is Mark Whitaker's phone number?: The practice phone number listed in the NPPES registry for Mark Whitaker is (410) 356-8186.
Does Mark Whitaker accept Medicare?: Mark Whitaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Mark Whitaker's NPI active?: Yes — Mark Whitaker's NPI (1366414112) is active in the NPPES registry as of the last update on 2025-09-11.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)