JOHN P AFFRONTI M.D.
NPI 1023020872
Internal Medicine - Gastroenterology in Lutherville, MD
About John P Affronti M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN P AFFRONTI M.D. (NPI 1023020872) is an individual gastroenterology provider in Lutherville, Maryland, licensed in Maryland (D0091561) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Augusta.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John P Affronti M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show John Affronti reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lutherville, MD 21093
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Augusta, GA 30912
- Reassigned Medicare billing, Georgia enrollment
- 1,151 clinicians in this Medicare group
Hattiesburg, MS 39402
- Reassigned Medicare billing, Louisiana enrollment
- 851 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 8
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDJohns Hopkins Bayview Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21093 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LUTHERVILLE, MD 21093
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 Affronti's NPI number?
The NPI number for John Affronti is 1023020872. It was assigned to this individual provider in the NPPES registry on August 12, 2006.
Where is John Affronti located?
John Affronti practices at 10803 Falls Road Pavillion III, Lutherville, MD 21093. The listed phone number is (410) 616-7650.
What is John Affronti's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is John Affronti enrolled in Medicare?
Yes. John Affronti is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Affronti's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Affronti reassigns Medicare benefits to 3 organizations: Johns Hopkins University (Lutherville, MD), Au Medical Associates Inc (Augusta, GA) and Administrators Of The Tulane Educational Fund (Hattiesburg, MS). 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 Affronti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Affronti affiliated with any hospitals?
According to CMS data, John Affronti is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.
When was this NPI record last updated?
The NPPES record for John Affronti was last updated on February 28, 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 P Affronti, M.D. · NPI 1023020872
Gastroenterology physician in Lutherville, Maryland. Individual provider, active in the CMS NPPES registry since August 12, 2006.
## Identity
- **NPI:** 1023020872 (Entity type: Individual)
- **Enumerated:** August 12, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** D0091561 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 10803 FALLS ROAD, PAVILLION III, Lutherville, MD 21093-4502
- **Phone:** (410) 616-7650 · **Fax:** (410) 616-7651
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1831195502, Lutherville, MD); Au Medical Associates Inc (NPI 1841230620, Augusta, GA); Administrators Of The Tulane Educational Fund (NPI 1033395298, Hattiesburg, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 1985
## Record status
- **NPPES last updated:** February 28, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1023020872) · Data from the CMS NPPES public registry.