DR. JENNIFER A JOHNSON M.D.
NPI 1336285386
Internal Medicine - Infectious Disease in Boston, MA
About Dr. Jennifer A Johnson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JENNIFER A JOHNSON M.D. (NPI 1336285386) is an individual infectious disease provider in Boston, Massachusetts, licensed in Massachusetts (234938) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of University Of California, San Francisco School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 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
Dr. Jennifer A Johnson 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 Jennifer Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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 7
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Jennifer Johnson's NPI number?
The NPI number for Jennifer Johnson is 1336285386. It was assigned to this individual provider in the NPPES registry on January 29, 2007.
Where is Jennifer Johnson located?
Jennifer Johnson practices at 75 Francis St Brigham And Women's Hospital, Pbb-A 4th Floor, Boston, MA 02115. The listed phone number is (617) 732-8881.
What is Jennifer Johnson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Jennifer Johnson enrolled in Medicare?
Yes. Jennifer Johnson 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 Jennifer Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Johnson reassigns Medicare benefits to Brigham & Womens Physicians Organization Inc (Boston, MA). 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 Jennifer Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jennifer Johnson accept?
Health plans from Taro Health list Jennifer Johnson 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 Jennifer Johnson affiliated with any hospitals?
According to CMS data, Jennifer Johnson is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Jennifer Johnson was last updated on June 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.