Cathryn De Guzman, PA-C
NPI 1033778576 · Physician Assistant · Mecca, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cathryn De Guzman, PA-C is a Physician Assistant provider in Mecca, CA (NPI 1033778576).
Provider details
- NPI number
- 1033778576
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 56870 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 181 | 69 |
| Metformin Hcl | 126 | 56 |
| Lisinopril | 126 | 50 |
| Losartan Potassium | 83 | 29 |
| Amlodipine Besylate | 62 | 31 |
| Tamsulosin Hcl | 50 | 22 |
| Hydrochlorothiazide | 50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$264 across 8 records (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
- 2019-06-09
- Last updated
- 2022-07-14
- Certified
- 2022-07-05
Frequently asked questions
- What is Cathryn De Guzman's NPI number?
- Cathryn De Guzman's National Provider Identifier (NPI) is 1033778576, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathryn De Guzman's specialty?
- Cathryn De Guzman is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cathryn De Guzman located?
- Cathryn De Guzman's practice location on file with NPPES is 91275 66th St Suite 500, Mecca, CA 92254-1251.
- What is Cathryn De Guzman's phone number?
- The practice phone number listed in the NPPES registry for Cathryn De Guzman is (760) 396-1249.
- Does Cathryn De Guzman accept Medicare?
- Cathryn De Guzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cathryn De Guzman's NPI active?
- Yes — Cathryn De Guzman's NPI (1033778576) is active in the NPPES registry as of the last update on 2022-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.