DR. STEVEN JOSEPH RALSTON MD
NPI 1003870015
Obstetrics & Gynecology - Maternal & Fetal Medicine in Washington, DC
About Dr. Steven Joseph Ralston Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN JOSEPH RALSTON MD (NPI 1003870015) is an individual maternal & fetal medicine provider in Washington, District Of Columbia, licensed in Pennsylvania (MD051583L) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Philadelphia, and is a graduate of Columbia University College Of Physicians And Surgeons (1990).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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. Steven Joseph Ralston 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
5Medicare enrollment records show Steven Ralston reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Washington, DC 20060
- Reassigned Medicare billing, District of Columbia enrollment
- 319 clinicians in this Medicare group
Washington, DC 20032
- Reassigned Medicare billing, District of Columbia enrollment
- 158 clinicians in this Medicare group
Silver Spring, MD 20910
- Reassigned Medicare billing, District of Columbia enrollment
- 234 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Obstetrical And Gynecological Associates PA
- 68 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 20037 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 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
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 Steven Ralston's NPI number?
The NPI number for Steven Ralston is 1003870015. It was assigned to this individual provider in the NPPES registry on April 14, 2006.
Where is Steven Ralston located?
Steven Ralston practices at 2150 Pennsylvania Ave NW, Washington, DC 20037. The listed phone number is (202) 741-2500.
What is Steven Ralston's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Steven Ralston enrolled in Medicare?
Yes. Steven Ralston 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 Steven Ralston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Ralston reassigns Medicare benefits to 5 organizations: Medical Faculty Associates, Inc (Washington, DC), Howard University (Washington, DC), Foggy Bottom Physician Group Inc. (Washington, DC), Professional Services Of Holy Cross (Silver Spring, MD) and University Of MD Obstetrical And Gynecological Asso. PA (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 Steven Ralston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Ralston accept?
Health plans from Taro Health list Steven Ralston as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Steven Ralston was last updated on September 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Steven Joseph Ralston, MD · NPI 1003870015
Maternal & Fetal Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 14, 2006.
## Identity
- **NPI:** 1003870015 (Entity type: Individual)
- **Enumerated:** April 14, 2006
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** MD051583L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 2150 PENNSYLVANIA AVE NW, Washington, DC 20037-3201
- **Phone:** (202) 741-2500
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); Howard University (NPI 1033163597, Washington, DC); Foggy Bottom Physician Group Inc. (NPI 1831089846, Washington, DC); Professional Services Of Holy Cross (NPI 1134846082, Silver Spring, MD); University Of MD Obstetrical And Gynecological Asso. PA (NPI 1144252990, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1990
## Record status
- **NPPES last updated:** September 14, 2023
- **Other identifiers:** Medicaid 3128377 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1003870015) · Data from the CMS NPPES public registry.