Catherine Ramsay, MD
NPI 1275616757 · Dermatology Physician · Oakland, CA
Catherine Ramsay, MD is a Dermatology Physician provider in Oakland, CA (NPI 1275616757).
Provider details
- NPI number
- 1275616757
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A061269 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,963 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 1 Treatment Area77280 | 762 | $241 |
| Ultrasonic Guidance for Placement of Radiation Therapy FieldsG6001 | 715 | $162 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 643 | $6 |
| Superficial And/Or Low Voltage Radiation Treatment Delivery77401 | 593 | $37 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 327 | $84 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 251 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocortisone | 38 | 35 |
| Fluorouracil | 37 | 33 |
| Metronidazole | 27 | 16 |
| Clobetasol Propionate | 24 | 15 |
| Doxycycline Hyclate | 22 | 12 |
| Minoxidil | 20 | — |
| Triamcinolone Acetonide | 20 | 17 |
| Mupirocin | 18 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2014-09-25
Frequently asked questions
- What is Catherine Ramsay's NPI number?
- Catherine Ramsay's National Provider Identifier (NPI) is 1275616757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Ramsay's specialty?
- Catherine Ramsay is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Ramsay located?
- Catherine Ramsay's practice location on file with NPPES is 275 W Macarthur, Oakland, CA 94611-5641.
- What is Catherine Ramsay's phone number?
- The practice phone number listed in the NPPES registry for Catherine Ramsay is (510) 752-1000.
- Is Catherine Ramsay's NPI active?
- Yes — Catherine Ramsay's NPI (1275616757) is active in the NPPES registry as of the last update on 2014-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.