DR. JOHN MICHAEL GRANGER M.D.
NPI 1467462630
Internal Medicine - Infectious Disease in Lancaster, PA
About Dr. John Michael Granger M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN MICHAEL GRANGER M.D. (NPI 1467462630) is an individual infectious disease provider in Lancaster, Pennsylvania, licensed in Pennsylvania (MD436668) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Lancaster General Hospital, and is a graduate of Medical College Of Ohio (2003).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
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
Dr. John Michael Granger M.d. 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 Granger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lancaster, PA 17601
- Reassigned Medicare billing, Pennsylvania enrollment
- 727 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 9
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lancaster General Hospital
Acute Care Hospitals · Lancaster, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17604 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LANCASTER, PA 17604
LANCASTER, PA 17604
LANCASTER, PA 17604
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 Granger's NPI number?
The NPI number for John Granger is 1467462630. It was assigned to this individual provider in the NPPES registry on August 9, 2006.
Where is John Granger located?
John Granger practices at 2106 Harrisburg Pike Suite 301, Lancaster, PA 17604. The listed phone number is (717) 544-3517.
What is John Granger's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is John Granger enrolled in Medicare?
Yes. John Granger 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 Granger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Granger reassigns Medicare benefits to Lancaster General Medical Group (Lancaster, 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 Granger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Granger accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list John Granger 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 Granger affiliated with any hospitals?
According to CMS data, John Granger is affiliated with Lancaster General Hospital.
When was this NPI record last updated?
The NPPES record for John Granger was last updated on June 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 Michael Granger, M.D. · NPI 1467462630
Infectious Disease physician in Lancaster, Pennsylvania. Individual provider, active in the CMS NPPES registry since August 9, 2006.
## Identity
- **NPI:** 1467462630 (Entity type: Individual)
- **Enumerated:** August 9, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** MD436668 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 2106 HARRISBURG PIKE, SUITE 301, Lancaster, PA 17604
- **Phone:** (717) 544-3517 · **Fax:** (717) 544-3520
## 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:** Lancaster General Medical Group (NPI 1164137287, Lancaster, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Ohio, class of 2003
## Record status
- **NPPES last updated:** June 28, 2011
- **Other identifiers:** Medicare PIN 019785C37 (DE); Other P00340818 (MD); Medicaid 102039150 (PA); and 1 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1467462630) · Data from the CMS NPPES public registry.