Shannon Barker, PHARM.D.
NPI 1649714544 · Pharmacist · Stockton, CA
Shannon Barker, PHARM.D. is a Pharmacist provider in Stockton, CA (NPI 1649714544).
Provider details
- NPI number
- 1649714544
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 69515 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Glipizide | 94 | 45 |
| Metformin Hcl | 93 | 43 |
| Atorvastatin Calcium | 71 | 33 |
| Insulin Nph Human Isophanebrand: Humulin N Kwikpen | 64 | 25 |
| Insulin Nph Human Isophanebrand: Humulin N | 62 | 28 |
| Metformin Hclbrand: Metformin Hcl Er | 62 | 31 |
| Semaglutide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-12-12
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Frequently asked questions
- What is Shannon Barker's NPI number?
- Shannon Barker's National Provider Identifier (NPI) is 1649714544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Barker's specialty?
- Shannon Barker is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Shannon Barker located?
- Shannon Barker's practice location on file with NPPES is 7373 West Ln, Stockton, CA 95210-3377.
- What is Shannon Barker's phone number?
- The practice phone number listed in the NPPES registry for Shannon Barker is (209) 476-2000.
- Is Shannon Barker's NPI active?
- Yes — Shannon Barker's NPI (1649714544) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.