John Farber
NPI 1174531719 · Anatomic Pathology & Clinical Pathology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Farber is a Anatomic Pathology & Clinical Pathology Physician provider in Philadelphia, PA (NPI 1174531719).
Provider details
- NPI number
- 1174531719
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MD013411E (PA)
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
19 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
1,543 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) |
|---|---|---|
| Antibody Evaluation, Each Additional Single Antibody Stain Procedure88350 | 306 | $28 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 279 | $80 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 250 | $12 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 143 | $36 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 124 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 110 | $34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2014-10-24
Frequently asked questions
- What is John Farber's NPI number?
- John Farber's National Provider Identifier (NPI) is 1174531719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Farber's specialty?
- John Farber is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is John Farber located?
- John Farber's practice location on file with NPPES is 132 S 10th St, Philadelphia, PA 19107-5244.
- What is John Farber's phone number?
- The practice phone number listed in the NPPES registry for John Farber is (215) 503-5642.
- Does John Farber accept Medicare?
- John Farber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Farber's NPI active?
- Yes — John Farber's NPI (1174531719) is active in the NPPES registry as of the last update on 2014-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.