Robert Keet, M.D.
NPI 1639272750 · Geriatric Medicine (Internal Medicine) Physician · Santa Cruz, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Keet, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Santa Cruz, CA (NPI 1639272750).
Provider details
- NPI number
- 1639272750
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G31017 (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
245 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 184 | $101 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $141 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 14 | $122 |
Typical Medicare-allowed amounts for these services range $101–$141 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 76 | 43 |
| Levothyroxine Sodium | 58 | 30 |
| Amlodipine Besylate | 48 | 25 |
| Lisinopril | 43 | 22 |
| Losartan Potassium | 30 | 15 |
| Gabapentin | 28 | 14 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-06
- Last updated
- 2012-08-30
Frequently asked questions
- What is Robert Keet's NPI number?
- Robert Keet's National Provider Identifier (NPI) is 1639272750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Keet's specialty?
- Robert Keet is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Keet located?
- Robert Keet's practice location on file with NPPES is 1595 Soquel Dr, Santa Cruz, CA 95065-1719.
- What is Robert Keet's phone number?
- The practice phone number listed in the NPPES registry for Robert Keet is (831) 475-1111.
- Does Robert Keet accept Medicare?
- Robert Keet is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Keet's NPI active?
- Yes — Robert Keet's NPI (1639272750) is active in the NPPES registry as of the last update on 2012-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.