DR. JILL MASLOWSKI JANI M.D.
NPI 1134377641
Anesthesiology in Baltimore, MD
About Dr. Jill Maslowski Jani M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JILL MASLOWSKI JANI M.D. (NPI 1134377641) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D0074090) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
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. Jill Maslowski Jani 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
7Medicare enrollment records show Jill Jani reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21209
- Reassigned Medicare billing, Maryland enrollment
- 72 clinicians in this Medicare group
Baltimore, MD 21218
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 482 clinicians in this Medicare group
Baltimore, MD 21239
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 3,530 clinicians in this Medicare group
Fulton, MD 20759
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Also billed through NPI 1376501007 (District of Columbia)
- 42 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 391 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 46 clinicians in this Medicare group
Frederick, MD 21702
- Reassigned Medicare billing, Maryland enrollment
- 2 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 5
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.
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.
BALTIMORE, MD 21215
BALTIMORE, MD 21215
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 Jill Jani's NPI number?
The NPI number for Jill Jani is 1134377641. It was assigned to this individual provider in the NPPES registry on September 9, 2008.
Where is Jill Jani located?
Jill Jani practices at 2401 W Belvedere Ave Department Of Anesthesiology 5th Floor, Baltimore, MD 21215. The listed phone number is (410) 601-5209.
What is Jill Jani's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Jill Jani enrolled in Medicare?
Yes. Jill Jani 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 Jill Jani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jill Jani reassigns Medicare benefits to 7 organizations: Gbmc Hospital Based Services, LLC. (Baltimore, MD), Medstar Medical Group Anesthesiology LLC (Baltimore, MD), Medstar Medical Group II LLC (Baltimore, MD), Holy Cross Anesthesiology Associate PA (Fulton, MD), Anesthesia Company, LLC (Annapolis, MD) and 2 more organizations, listed in the Medicare section above. 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 Jill Jani's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jill Jani was last updated on June 8, 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.
# Dr. Jill Maslowski Jani, M.D. · NPI 1134377641
Anesthesiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since September 9, 2008.
## Identity
- **NPI:** 1134377641 (Entity type: Individual)
- **Enumerated:** September 9, 2008
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D0074090 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 2401 W BELVEDERE AVE, DEPARTMENT OF ANESTHESIOLOGY 5TH FLOOR, Baltimore, MD 21215-5216
- **Phone:** (410) 601-5209
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Gbmc Hospital Based Services, LLC. (NPI 1659219673, Baltimore, MD); Medstar Medical Group Anesthesiology LLC (NPI 1528578333, Baltimore, MD); Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD); Holy Cross Anesthesiology Associate PA (NPI 1306636279, Fulton, MD); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** June 8, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1134377641) · Data from the CMS NPPES public registry.