Gerardo Guba, MD
NPI 1164402632 · Family Medicine Physician · Monrovia, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerardo Guba, MD is a Family Medicine Physician provider in Monrovia, CA (NPI 1164402632).
Provider details
- NPI number
- 1164402632
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A65337 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
217 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 124 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $138 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 23 | $140 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 15 | $62 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 13 | $96 |
| Administration of Influenza Virus VaccineG0008 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 126 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 680 | 208 |
| Amlodipine Besylate | 516 | 159 |
| Lisinopril | 296 | 94 |
| Levothyroxine Sodium | 295 | 83 |
| Metformin Hcl | 286 | 97 |
| Losartan Potassium | 285 | 85 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Additional practice locations (1)
- 824 E Carson StSte 101Carson, CA 90745Phone: (310) 233-3202Fax: (310) 233-3208
Registry dates
- Enumerated
- 2006-01-19
- Last updated
- 2025-12-16
- Certified
- 2025-12-16
Frequently asked questions
- What is Gerardo Guba's NPI number?
- Gerardo Guba's National Provider Identifier (NPI) is 1164402632, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerardo Guba's specialty?
- Gerardo Guba is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gerardo Guba located?
- Gerardo Guba's practice location on file with NPPES is 831 E Huntington Dr, Monrovia, CA 91016-3612.
- What is Gerardo Guba's phone number?
- The practice phone number listed in the NPPES registry for Gerardo Guba is (626) 358-0269.
- Does Gerardo Guba accept Medicare?
- Gerardo Guba is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerardo Guba's NPI active?
- Yes — Gerardo Guba's NPI (1164402632) is active in the NPPES registry as of the last update on 2025-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.