JOHN ISAAC BLANCO HEINTZ MD, PHD
NPI 1669965059
Internal Medicine in Philadelphia, PA
About John Isaac Blanco Heintz Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN ISAAC BLANCO HEINTZ MD, PHD (NPI 1669965059) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD478200) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Accepted Insurance
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
John Isaac Blanco Heintz Md, Phd 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 Reassignments
2Medicare enrollment records show John Heintz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 44 clinicians in this Medicare group
Philadelphia, PA 19146
- Reassigned Medicare billing, Pennsylvania enrollment
- 752 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hospital Of Univ Of Pennsylvania
Acute Care Hospitals · Philadelphia, PAPenn Presbyterian Medical Center
Acute Care Hospitals · Philadelphia, 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Heintz's NPI number?
The NPI number for John Heintz is 1669965059. It was assigned to this individual provider in the NPPES registry on June 11, 2018.
Where is John Heintz located?
John Heintz practices at 1207 Chestnut St, Philadelphia, PA 19107. The listed phone number is (267) 725-0252.
What is John Heintz's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Heintz enrolled in Medicare?
Yes. John Heintz 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 organizations bill Medicare for John Heintz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Heintz reassigns Medicare benefits to 2 organizations: Philadelphia Fight (Philadelphia, PA) and University Of Penn - Medical Group (Philadelphia, PA). Each 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 Heintz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Heintz accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list John Heintz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Heintz affiliated with any hospitals?
According to CMS data, John Heintz is affiliated with Hospital Of Univ Of Pennsylvania and Penn Presbyterian Medical Center.
When was this NPI record last updated?
The NPPES record for John Heintz was last updated on September 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# John Isaac Blanco Heintz, MD, PHD · NPI 1669965059
Internal Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 11, 2018.
## Identity
- **NPI:** 1669965059 (Entity type: Individual)
- **Enumerated:** June 11, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD478200 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1207 CHESTNUT ST, Philadelphia, PA 19107-4131
- **Phone:** (267) 725-0252 · **Fax:** (215) 309-1129
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Philadelphia Fight (NPI 1487082608, Philadelphia, PA); University Of Penn - Medical Group (NPI 1114481504, Philadelphia, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2018
## Record status
- **NPPES last updated:** September 16, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1669965059) · Data from the CMS NPPES public registry.