DR. JOHN L. FARBER
NPI 1174531719
Pathology - Anatomic Pathology & Clinical Pathology in Philadelphia, PA
About Dr. John L. Farber NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN L. FARBER (NPI 1174531719) is an individual anatomic pathology & clinical pathology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD013411E) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Temple University Hospital, and is a graduate of University Of California, San Francisco School Of Medicine (1966).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John L. Farber is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Farber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,739 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 13
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Temple University Hospital
Acute Care Hospitals · Philadelphia, PAThomas Jefferson University Hospital
Acute Care Hospitals · Philadelphia, PAAbington Memorial Hospital
Acute Care Hospitals · Abington, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Farber's NPI number?
The NPI number for John Farber is 1174531719. It was assigned to this individual provider in the NPPES registry on August 3, 2006.
Where is John Farber located?
John Farber practices at 132 S 10th St 2nd Floor, Philadelphia, PA 19107. The listed phone number is (215) 503-5642.
What is John Farber's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is John Farber enrolled in Medicare?
Yes. John Farber is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Farber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Farber reassigns Medicare benefits to Jefferson University Physicians (Philadelphia, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Farber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Farber affiliated with any hospitals?
According to CMS data, John Farber is affiliated with Temple University Hospital, Thomas Jefferson University Hospital and Abington Memorial Hospital.
When was this NPI record last updated?
The NPPES record for John Farber was last updated on October 24, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John L. Farber · NPI 1174531719
Anatomic Pathology & Clinical Pathology physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since August 3, 2006.
## Identity
- **NPI:** 1174531719 (Entity type: Individual)
- **Enumerated:** August 3, 2006
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** MD013411E (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 132 S 10TH ST, 2ND FLOOR, Philadelphia, PA 19107-5244
- **Phone:** (215) 503-5642 · **Fax:** (215) 503-4817
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Jefferson University Physicians (NPI 1326093675, Philadelphia, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 1966
## Record status
- **NPPES last updated:** October 24, 2014
- **Other identifiers:** Medicaid 001053519 (PA); Medicaid 3971708 (NJ); Medicare PIN 136847 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1174531719) · Data from the CMS NPPES public registry.