Tricia Guadiz, MD
NPI 1346686375 · Internal Medicine Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tricia Guadiz, MD is a Internal Medicine Physician provider in Loma Linda, CA (NPI 1346686375).
Provider details
- NPI number
- 1346686375
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A134902 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
428 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 185 | $118 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 156 | $109 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 41 | $115 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 24 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $132 |
Typical Medicare-allowed amounts for these services range $78–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 128 | 27 |
| Levothyroxine Sodium | 95 | 14 |
| Famotidine | 60 | 13 |
| Baclofen | 50 | — |
| Amlodipine Besylate | 39 | 21 |
| Lisinopril | 38 | 13 |
| Trazodone Hcl | 37 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-16
- Last updated
- 2017-07-07
Frequently asked questions
- What is Tricia Guadiz's NPI number?
- Tricia Guadiz's National Provider Identifier (NPI) is 1346686375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tricia Guadiz's specialty?
- Tricia Guadiz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tricia Guadiz located?
- Tricia Guadiz's practice location on file with NPPES is 11234 Anderson St, Loma Linda, CA 92354-2804.
- What is Tricia Guadiz's phone number?
- The practice phone number listed in the NPPES registry for Tricia Guadiz is (909) 558-4174.
- Does Tricia Guadiz accept Medicare?
- Tricia Guadiz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tricia Guadiz's NPI active?
- Yes — Tricia Guadiz's NPI (1346686375) is active in the NPPES registry as of the last update on 2017-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.