Raymond Esparza, M.D.
NPI 1497717391 · Internal Medicine Physician · San Dimas, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Raymond Esparza, M.D. is a Internal Medicine Physician provider in San Dimas, CA (NPI 1497717391).
Provider details
- NPI number
- 1497717391
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G77594 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
323 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 143 | $138 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 67 | $194 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 42 | $98 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 26 | $140 |
| Administration of Influenza Virus VaccineG0008 | 19 | $29 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 123 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 822 | 229 |
| Amlodipine Besylate | 488 | 143 |
| Rosuvastatin Calcium | 397 | 121 |
| Lisinopril | 334 | 95 |
| Levothyroxine Sodium | 304 | 84 |
| Metformin Hcl | 280 | 85 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$79 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-05
- Last updated
- 2013-01-03
Frequently asked questions
- What is Raymond Esparza's NPI number?
- Raymond Esparza's National Provider Identifier (NPI) is 1497717391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Raymond Esparza's specialty?
- Raymond Esparza is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Raymond Esparza located?
- Raymond Esparza's practice location on file with NPPES is 1330 W Covina Blvd, San Dimas, CA 91773-3200.
- What is Raymond Esparza's phone number?
- The practice phone number listed in the NPPES registry for Raymond Esparza is (909) 394-0044.
- Does Raymond Esparza accept Medicare?
- Raymond Esparza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Raymond Esparza's NPI active?
- Yes — Raymond Esparza's NPI (1497717391) is active in the NPPES registry as of the last update on 2013-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.