DR. MARTHA DENISSE MUELLER M.D.
NPI 1811940570
Pediatrics in Baltimore, MD
About Dr. Martha Denisse Mueller M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARTHA DENISSE MUELLER M.D. (NPI 1811940570) is an individual pediatrics provider in Baltimore, Maryland, licensed in Maryland (D63151) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Martha Denisse Mueller M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Martha Mueller reassigns Medicare billing to 3 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
- 952 clinicians in this Medicare group
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Baltimore Medical System, Inc.
- 243 clinicians in this Medicare group
Bel Air, MD 21014
- Reassigned Medicare billing, Maryland enrollment
- 130 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21202 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.
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 Martha Mueller's NPI number?
The NPI number for Martha Mueller is 1811940570. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Martha Mueller located?
Martha Mueller practices at 1000 E Eager St, Baltimore, MD 21202. The listed phone number is (410) 502-8416.
What is Martha Mueller's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Martha Mueller enrolled in Medicare?
Yes. Martha Mueller is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Martha Mueller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martha Mueller reassigns Medicare benefits to 3 organizations: Johns Hopkins Community Physicians (Baltimore, MD), Baltimore Medical Systems, Inc. (Baltimore, MD) and Upper Chesapeake Emergency Medicine Physicians, LLC (Bel Air, 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 Martha Mueller'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 Martha Mueller was last updated on May 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Martha Denisse Mueller, M.D. · NPI 1811940570
Pediatrics physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 17, 2006.
## Identity
- **NPI:** 1811940570 (Entity type: Individual)
- **Enumerated:** May 17, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** D63151 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 E EAGER ST, Baltimore, MD 21202
- **Phone:** (410) 502-8416
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins Community Physicians (NPI 1124629837, Baltimore, MD); Baltimore Medical Systems, Inc. (NPI 1164138152, Baltimore, MD); Upper Chesapeake Emergency Medicine Physicians, LLC (NPI 1285854026, Bel Air, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 29, 2018
- **Other identifiers:** Medicaid 408079300 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1811940570) · Data from the CMS NPPES public registry.