Physician Profile
Unclaimed ProfileAbout RITCHIE
Based in New York, NY, Ellen Kelly Ritchie, MD is listed in the NPI registry under medical oncology. Ellen graduated from Columbia University College of Physicians and Surgeons in 1997. Ellen is also listed as specializing in internal medicine and hematology. Medicare claims data shows Ellen provided 816 services to 222 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (212) 746-6264
- Email not available
Practice Locations
520 EAST 70TH STREET, STARR 341
New York, NY 10021
Procedures Most Often Billed to Medicare
816 services · 222 patients · 4 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 |
691 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
80 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
33 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
12 |
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.
Other medical oncology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 24 related providers in 3 groups
Other medical oncology specialists in New York 8
Same specialty, same city.
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Ritchie's specialty?
Dr. Ritchie is a medical oncology in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “MEDICAL ONCOLOGY”.
NPI registry
Where can I find Dr. Ritchie?
Dr. Ritchie is listed at 520 EAST 70TH STREET, STARR 341, New York, NY 10021. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ritchie?
The number on file is (212) 746-6264. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ritchie?
Dr. Ritchie's National Provider Identifier is 1003996653. 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
What is Dr. Ritchie's medical education?
Dr. Ritchie attended Columbia University College of Physicians and Surgeons, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ritchie have?
Dr. Ritchie has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ritchie known for?
According to Medicare billing data, Dr. Ritchie 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. Ritchie's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ritchie. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.