Catou Greenberg, M.D.
NPI 1528008828 · Family Medicine Physician · Newport Beach, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catou Greenberg, M.D. is a Family Medicine Physician provider in Newport Beach, CA (NPI 1528008828).
Provider details
- NPI number
- 1528008828
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G67725 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 266 | 74 |
| Levothyroxine Sodium | 204 | 51 |
| Amlodipine Besylate | 195 | 57 |
| Losartan Potassium | 193 | 54 |
| Metoprolol Succinate | 170 | 47 |
| Rosuvastatin Calcium | 118 | 40 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2023-08-10
- Certified
- 2023-08-10
Frequently asked questions
- What is Catou Greenberg's NPI number?
- Catou Greenberg's National Provider Identifier (NPI) is 1528008828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catou Greenberg's specialty?
- Catou Greenberg is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catou Greenberg located?
- Catou Greenberg's practice location on file with NPPES is 1441 Avocado Ave, Newport Beach, CA 92660-7721.
- What is Catou Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Catou Greenberg is (949) 718-9020.
- Does Catou Greenberg accept Medicare?
- Catou Greenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catou Greenberg's NPI active?
- Yes — Catou Greenberg's NPI (1528008828) is active in the NPPES registry as of the last update on 2023-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.