DR. MYRON L MAES MD
NPI 1043340821
Obstetrics & Gynecology in Baltimore, MD
About Dr. Myron L Maes Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MYRON L MAES MD (NPI 1043340821) is an individual obstetrics & gynecology provider in Baltimore, Maryland, licensed in Maryland (D0046542) and active in the NPI registry since March 2007. He 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. Myron L Maes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Myron Maes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21239
- Reassigned Medicare billing, Maryland enrollment
- 2,602 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 21237 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.
BALTIMORE, MD 21237
BALTIMORE, MD 21237
BALTIMORE, MD 21237
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 Myron Maes's NPI number?
The NPI number for Myron Maes is 1043340821. It was assigned to this individual provider in the NPPES registry on March 7, 2007.
Where is Myron Maes located?
Myron Maes practices at 9000 Franklin Square Dr, Baltimore, MD 21237. The listed phone number is (443) 777-7061.
What is Myron Maes's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Myron Maes enrolled in Medicare?
Yes. Myron Maes is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Myron Maes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Myron Maes reassigns Medicare benefits to Medstar Medical Group II LLC (Baltimore, MD). 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 Myron Maes'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 Myron Maes was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Myron L Maes, MD · NPI 1043340821
Obstetrics & Gynecology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 7, 2007.
## Identity
- **NPI:** 1043340821 (Entity type: Individual)
- **Enumerated:** March 7, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** D0046542 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 9000 FRANKLIN SQUARE DR, Baltimore, MD 21237-3901
- **Phone:** (443) 777-7061 · **Fax:** (443) 777-8180
## 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:** Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicare UPIN F92107 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1043340821) · Data from the CMS NPPES public registry.