DR. OSCAR MIMS MD
NPI 1326019589
Obstetrics & Gynecology - Maternal & Fetal Medicine in Washington, DC
About Dr. Oscar Mims Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OSCAR MIMS MD (NPI 1326019589) is an individual maternal & fetal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD15669) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Howard University College Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Oscar Mims Md 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
2Medicare enrollment records show Oscar Mims reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20060
- Reassigned Medicare billing, District of Columbia enrollment
- 319 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 20010 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.
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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Oscar Mims's NPI number?
The NPI number for Oscar Mims is 1326019589. It was assigned to this individual provider in the NPPES registry on January 27, 2006.
Where is Oscar Mims located?
Oscar Mims practices at 106 Irving St NW Suite 3800N, Washington, DC 20010. The listed phone number is (202) 877-6093.
What is Oscar Mims's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Oscar Mims enrolled in Medicare?
Yes. Oscar Mims 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 Oscar Mims's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oscar Mims reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Howard University (Washington, DC). 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 Oscar Mims'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 Oscar Mims was last updated on August 14, 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. Oscar Mims, MD · NPI 1326019589
Maternal & Fetal Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since January 27, 2006.
## Identity
- **NPI:** 1326019589 (Entity type: Individual)
- **Enumerated:** January 27, 2006
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** MD15669 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 106 IRVING ST NW, SUITE 3800N, Washington, DC 20010-2927
- **Phone:** (202) 877-6093
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1023836137, Washington, DC); Howard University (NPI 1033163597, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Howard University College Of Medicine, class of 1983
## Record status
- **NPPES last updated:** August 14, 2007
- **Other identifiers:** Medicare ID-Type Unspecified P00113219 (DC); Medicare UPIN E70286 (DC); Medicare ID-Type Unspecified 756628O25 (DE)
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Source: [NPI Profile](https://npiprofile.com/npi/1326019589) · Data from the CMS NPPES public registry.