REBECCA ANNA GERSTEN M.D.
NPI 1790170322
Internal Medicine - Pulmonary Disease in Baltimore, MD
About Rebecca Anna Gersten M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA ANNA GERSTEN M.D. (NPI 1790170322) is an individual pulmonary disease provider in Baltimore, Maryland, licensed in Maryland (D93872) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Washington.
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)
Rebecca Anna Gersten M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Rebecca Gersten reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- Also billed through NPI 1689162034 (Maryland)
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 39 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 3
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, MDJohns Hopkins Howard County Medical Center
Acute Care Hospitals · Columbia, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Rebecca Gersten's NPI number?
The NPI number for Rebecca Gersten is 1790170322. It was assigned to this individual provider in the NPPES registry on March 31, 2015.
Where is Rebecca Gersten located?
Rebecca Gersten practices at 1830 E Monument St Fl 5, Baltimore, MD 21287. The listed phone number is (410) 550-5864.
What is Rebecca Gersten's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Rebecca Gersten enrolled in Medicare?
Yes. Rebecca Gersten is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Rebecca Gersten's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Gersten reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, MD). 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 Rebecca Gersten's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Rebecca Gersten affiliated with any hospitals?
According to CMS data, Rebecca Gersten is affiliated with Johns Hopkins Hospital, The, Johns Hopkins Bayview Medical Center and Johns Hopkins Howard County Medical Center.
When was this NPI record last updated?
The NPPES record for Rebecca Gersten was last updated on June 8, 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.
# Rebecca Anna Gersten, M.D. · NPI 1790170322
Pulmonary Disease physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 31, 2015.
## Identity
- **NPI:** 1790170322 (Entity type: Individual)
- **Enumerated:** March 31, 2015
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** D93872 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1830 E MONUMENT ST FL 5, Baltimore, MD 21287-0020
- **Phone:** (410) 550-5864 · **Fax:** (410) 367-2376
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1023018413, Baltimore, MD); Johns Hopkins University (NPI 1689009045, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Virginia Commonwealth University, School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** June 8, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1790170322) · Data from the CMS NPPES public registry.