JAFY JOHN
NPI 1356916464
Nurse Practitioner - Primary Care in San Francisco, CA
About Jafy John NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAFY JOHN (NPI 1356916464) is an individual primary care provider in San Francisco, California, licensed in Pennsylvania (SP023956) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with Chester County Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
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
Jafy John 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 Jafy John reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21044
- Reassigned Medicare billing, Pennsylvania enrollment
- 108 clinicians in this Medicare group
West Chester, PA 19380
- Reassigned Medicare billing, Pennsylvania enrollment
- 6 clinicians in this Medicare group
Glen Mills, PA 19342
- Reassigned Medicare billing, Pennsylvania enrollment
- 654 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chester County Hospital
Acute Care Hospitals · West Chester, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94105 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.
SAN FRANCISCO, CA 94105
SAN FRANCISCO, CA 94105
SAN FRANCISCO, CA 94105
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 Jafy John's NPI number?
The NPI number for Jafy John is 1356916464. It was assigned to this individual provider in the NPPES registry on May 21, 2021.
Where is Jafy John located?
Jafy John practices at 333 1st St Ste A, San Francisco, CA 94105. The listed phone number is (888) 803-3370.
What is Jafy John's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Jafy John enrolled in Medicare?
Yes. Jafy John 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 Jafy John's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jafy John reassigns Medicare benefits to 3 organizations: Psychogeriatric Services LLC (Columbia, MD), Advanced Pulmonary & Sleep Associates PC (West Chester, PA) and Prospect Health Access Network, Inc. (Glen Mills, 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 Jafy John's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jafy John accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Jafy John 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 Jafy John affiliated with any hospitals?
According to CMS data, Jafy John is affiliated with Chester County Hospital.
When was this NPI record last updated?
The NPPES record for Jafy John was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Jafy John · NPI 1356916464
Primary Care physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since May 21, 2021.
## Identity
- **NPI:** 1356916464 (Entity type: Individual)
- **Enumerated:** May 21, 2021
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** SP023956 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 333 1ST ST STE A, San Francisco, CA 94105-2661
- **Phone:** (888) 803-3370
## 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): Psychogeriatric Services LLC (NPI 1588689483, Columbia, MD); Advanced Pulmonary & Sleep Associates PC (NPI 1891318291, West Chester, PA); Prospect Health Access Network, Inc. (NPI 1083061006, Glen Mills, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** June 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1356916464) · Data from the CMS NPPES public registry.