Physician Profile
Unclaimed ProfileAbout MCCORMICK
Ellen McCormick, AGNP-BC, MS, RD is a registered dietitian / nutritionist based in Washington, DC. Ellen is also listed as specialising in registered nurse and nurse practitioner — adult health.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Common questions
What is Dr. McCormick's specialty?
Dr. McCormick is a registered dietitian / nutritionist in Washington, DC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Registered Dietitian / Nutritionist”.
NPI registry
Where can I find Dr. McCormick?
Dr. McCormick is listed at 900 23RD ST NW, Washington, DC 20037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. McCormick?
The number on file is (202) 715-5060. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. McCormick?
Dr. McCormick's National Provider Identifier is 1548595713. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Dr. McCormick have?
Dr. McCormick has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What is Dr. McCormick known for?
According to Medicare billing data, Dr. McCormick the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. McCormick's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. McCormick. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (202) 715-5060
- Email not available
Practice Locations
900 23RD ST NW
Washington, DC 20037
Procedures Most Often Billed to Medicare
277 services · 252 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
144 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
133 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other registered dietitian / nutritionists in Washington 8
Same specialty, same city.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.