Shannon Baker, FNP
NPI 1518191014 · Family Nurse Practitioner · San Marcos, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Baker, FNP is a Family Nurse Practitioner provider in San Marcos, CA (NPI 1518191014).
Provider details
- NPI number
- 1518191014
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95016279 (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 tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 146 | 45 |
| Atorvastatin Calcium | 137 | 47 |
| Lisinopril | 112 | 33 |
| Losartan Potassium | 85 | 27 |
| Levothyroxine Sodium | 67 | 20 |
| Metformin Hcl | 63 | 14 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-12
- Last updated
- 2025-08-25
- Certified
- 2025-08-25
Frequently asked questions
- What is Shannon Baker's NPI number?
- Shannon Baker's National Provider Identifier (NPI) is 1518191014, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Baker's specialty?
- Shannon Baker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shannon Baker located?
- Shannon Baker's practice location on file with NPPES is 1595 Grand Ave Ste 100, San Marcos, CA 92078-2450.
- What is Shannon Baker's phone number?
- The practice phone number listed in the NPPES registry for Shannon Baker is (760) 306-1900.
- Does Shannon Baker accept Medicare?
- Shannon Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Baker's NPI active?
- Yes — Shannon Baker's NPI (1518191014) is active in the NPPES registry as of the last update on 2025-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.