JOHN L SERRIAN JR. M.D.
NPI 1336128768
Internal Medicine - Cardiovascular Disease in West Reading, PA
About John L Serrian Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN L SERRIAN JR. M.D. (NPI 1336128768) is an individual cardiovascular disease provider in West Reading, Pennsylvania, licensed in Pennsylvania (MD-045368-L) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Reading Hospital, and is a graduate of Temple University School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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 L Serrian Jr. 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 Reassignments
3Medicare enrollment records show John Serrian reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,473 clinicians in this Medicare group
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- 399 clinicians in this Medicare group
Limerick, PA 19468
- Reassigned Medicare billing, Pennsylvania enrollment
- 529 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 16
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.
Reading Hospital
Acute Care Hospitals · West Reading, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19611 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST READING, PA 19611
WEST READING, PA 19611
WEST READING, PA 19611
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 Serrian's NPI number?
The NPI number for John Serrian is 1336128768. It was assigned to this individual provider in the NPPES registry on January 13, 2006.
Where is John Serrian located?
John Serrian practices at 301 S 7th Ave Suite 2020, West Reading, PA 19611. The listed phone number is (610) 375-6565.
What is John Serrian's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is John Serrian enrolled in Medicare?
Yes. John Serrian 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 Serrian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Serrian reassigns Medicare benefits to 3 organizations: Tower Health Medical Group (West Reading, PA), Reading Hospital (West Reading, PA) and Phoenixville Clinic Company LLC (Limerick, 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 Serrian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Serrian accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list John Serrian 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 Serrian affiliated with any hospitals?
According to CMS data, John Serrian is affiliated with Reading Hospital.
When was this NPI record last updated?
The NPPES record for John Serrian was last updated on August 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 L Serrian Jr., M.D. · NPI 1336128768
Cardiovascular Disease physician in West Reading, Pennsylvania. Individual provider, active in the CMS NPPES registry since January 13, 2006.
## Identity
- **NPI:** 1336128768 (Entity type: Individual)
- **Enumerated:** January 13, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** MD-045368-L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 S 7TH AVE, SUITE 2020, West Reading, PA 19611-1410
- **Phone:** (610) 375-6565 · **Fax:** (610) 375-2065
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Tower Health Medical Group (NPI 1366889065, West Reading, PA); Reading Hospital (NPI 1003175043, West Reading, PA); Phoenixville Clinic Company LLC (NPI 1790746345, Limerick, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 1989
## Record status
- **NPPES last updated:** August 19, 2016
- **Other identifiers:** Medicaid 001584227 (PA); Medicare PIN 885949 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1336128768) · Data from the CMS NPPES public registry.