Mark Whalen, M.D.
NPI 1891795498 · Anatomic Pathology & Clinical Pathology Physician · Gastonia, NC
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Whalen, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Gastonia, NC (NPI 1891795498).
Provider details
- NPI number
- 1891795498
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 95-01148 (NC)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
569 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 281 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 60 | $26 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 43 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 34 | $28 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 33 | $10 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 31 | $38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-26
- Last updated
- 2012-01-03
Frequently asked questions
- What is Mark Whalen's NPI number?
- Mark Whalen's National Provider Identifier (NPI) is 1891795498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Whalen's specialty?
- Mark Whalen is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Whalen located?
- Mark Whalen's practice location on file with NPPES is 2525 Court Dr, Gastonia, NC 28054-2140.
- What is Mark Whalen's phone number?
- The practice phone number listed in the NPPES registry for Mark Whalen is (704) 834-2851.
- Does Mark Whalen accept Medicare?
- Mark Whalen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Whalen's NPI active?
- Yes — Mark Whalen's NPI (1891795498) is active in the NPPES registry as of the last update on 2012-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.