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Maricela Guillermo, PHARM.D.
NPI 1134673809 · Ambulatory Care Pharmacist · Pasadena, CA
Maricela Guillermo, PHARM.D. is a Ambulatory Care Pharmacist provider in Pasadena, CA (NPI 1134673809).
Provider details
- NPI number
- 1134673809
- Entity type
- Individual
- Primary specialty
- Ambulatory Care PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 46998 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(71/100 index)
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.
Practice location
257 S Fair Oaks Ave
Suite 200
Pasadena, CA 91105-4130
Phone: (626) 449-0099
Street-level locationGet directions
Mailing address
257 S Fair Oaks Ave
Pasadena, CA 91105-4130
Registry dates
- Enumerated
- 2016-08-10
- Last updated
- 2016-08-10
Frequently asked questions
- What is Maricela Guillermo's NPI number?
- Maricela Guillermo's National Provider Identifier (NPI) is 1134673809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maricela Guillermo's specialty?
- Maricela Guillermo is listed in the NPPES registry with a primary specialty of Ambulatory Care Pharmacist (Pharmacy Service Providers).
- Where is Maricela Guillermo located?
- Maricela Guillermo's practice location on file with NPPES is 257 S Fair Oaks Ave, Pasadena, CA 91105-4130.
- What is Maricela Guillermo's phone number?
- The practice phone number listed in the NPPES registry for Maricela Guillermo is (626) 449-0099.
- Is Maricela Guillermo's NPI active?
- Yes — Maricela Guillermo's NPI (1134673809) is active in the NPPES registry as of the last update on 2016-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.