John Buck, MD
NPI 1154608552 · Anatomic Pathology & Clinical Pathology Physician · Irving, TX
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Buck, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Irving, TX (NPI 1154608552).
Provider details
- NPI number
- 1154608552
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- K4003 (TX)
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
14 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
627 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 | 242 | $36 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 116 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 59 | $33 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 48 | $12 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 42 | $78 |
| Coagulation Function Screening Test With Interpretation and Report85390 | 35 | $35 |
Practice location
Mailing address
Additional practice locations (1)
- 700 East Marshall AveLongview, TX 75601-5580Phone: (903) 315-2000
Registry dates
- Enumerated
- 2011-11-14
- Last updated
- 2021-01-26
- Certified
- 2021-01-26
Frequently asked questions
- What is John Buck's NPI number?
- John Buck's National Provider Identifier (NPI) is 1154608552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Buck's specialty?
- John Buck is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is John Buck located?
- John Buck's practice location on file with NPPES is 4770 Regent Blvd, Irving, TX 75063-2445.
- What is John Buck's phone number?
- The practice phone number listed in the NPPES registry for John Buck is (972) 934-4300.
- Does John Buck accept Medicare?
- John Buck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Buck's NPI active?
- Yes — John Buck's NPI (1154608552) is active in the NPPES registry as of the last update on 2021-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.