Physician Profile
Unclaimed ProfileAbout RAMSAY
Catherine A. Ramsay, MD practices dermatology in Oakland, CA. Catherine is a 1995 graduate of University of California, San Francisco School of Medicine. Medicare claims data shows Catherine provided 3,963 services to 1,053 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
- (510) 752-1000
- Email not available
Practice Locations
275 W MACARTHUR
Oakland, CA 94611
Procedures Most Often Billed to Medicare
3,963 services · 1,053 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
643 |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
251 |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
68 |
| Punch biopsy, first skin growth | Procedure | 11104 |
59 |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
52 |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
27 |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
13 |
| Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | Imaging | 77280 |
762 |
| Superficial and/or low voltage radiation treatment delivery | Imaging | 77401 |
593 |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
77 |
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 dermatology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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 dermatology specialists in Oakland 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Ramsay?
Dr. Ramsay is a dermatology in Oakland, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DERMATOLOGY”.
NPI registry
What is Dr. Ramsay's address?
Dr. Ramsay is listed at 275 W MACARTHUR, Oakland, CA 94611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ramsay?
The number on file is (510) 752-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ramsay?
Dr. Ramsay's National Provider Identifier is 1275616757. 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
Where did Dr. Ramsay train?
Dr. Ramsay attended University of California, San Francisco School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ramsay have?
Dr. Ramsay has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ramsay perform?
According to Medicare billing data, Dr. Ramsay performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth; reads or performs imaging such as obtaining data needed to develop the optimal radiation treatment, 1 treatment area and superficial and/or low voltage radiation treatment delivery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ramsay's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ramsay. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.