Guillermina Gutierrez, M.D
NPI 1629153515 · Family Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guillermina Gutierrez, M.D is a Family Medicine Physician provider in Los Angeles, CA (NPI 1629153515).
Provider details
- NPI number
- 1629153515
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- A76597 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 348 | 121 |
| Losartan Potassium | 165 | 48 |
| Metformin Hcl | 159 | 57 |
| Amlodipine Besylate | 141 | 49 |
| Lisinopril | 129 | 45 |
| Omeprazole | 129 | 38 |
| Famotidine | 94 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2022-03-29
- Certified
- 2022-03-18
Frequently asked questions
- What is Guillermina Gutierrez's NPI number?
- Guillermina Gutierrez's National Provider Identifier (NPI) is 1629153515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermina Gutierrez's specialty?
- Guillermina Gutierrez is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guillermina Gutierrez located?
- Guillermina Gutierrez's practice location on file with NPPES is 2100 W 3rd St Ste 400, Los Angeles, CA 90057-2290.
- What is Guillermina Gutierrez's phone number?
- The practice phone number listed in the NPPES registry for Guillermina Gutierrez is (323) 454-6940.
- Does Guillermina Gutierrez accept Medicare?
- Guillermina Gutierrez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guillermina Gutierrez's NPI active?
- Yes — Guillermina Gutierrez's NPI (1629153515) is active in the NPPES registry as of the last update on 2022-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.