Kathryn Grauerholz, NP
NPI 1881710010 · Nurse Practitioner · San Diego, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Grauerholz, NP is a Nurse Practitioner provider in San Diego, CA (NPI 1881710010).
Provider details
- NPI number
- 1881710010
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NP12773 (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
19 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 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 124 | 42 |
| Atorvastatin Calcium | 124 | 47 |
| Amlodipine Besylate | 123 | 54 |
| Levothyroxine Sodium | 109 | 40 |
| Losartan Potassium | 76 | 27 |
| Gabapentin | 75 | 31 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 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
- 2007-03-21
- Last updated
- 2008-09-23
Frequently asked questions
- What is Kathryn Grauerholz's NPI number?
- Kathryn Grauerholz's National Provider Identifier (NPI) is 1881710010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Grauerholz's specialty?
- Kathryn Grauerholz is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Grauerholz located?
- Kathryn Grauerholz's practice location on file with NPPES is 4647 Zion Ave, San Diego, CA 92120-2507.
- What is Kathryn Grauerholz's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Grauerholz is (619) 528-5000.
- Does Kathryn Grauerholz accept Medicare?
- Kathryn Grauerholz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Grauerholz's NPI active?
- Yes — Kathryn Grauerholz's NPI (1881710010) is active in the NPPES registry as of the last update on 2008-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.