Ernest Castro, MD
NPI 1982785721 · Family Medicine Physician · Golden, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ernest Castro, MD is a Family Medicine Physician provider in Golden, CO (NPI 1982785721).
Provider details
- NPI number
- 1982785721
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 44082 (CO)
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
19 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
25 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) |
|---|---|---|
| Removal of External Hemorrhoids By Rubber Banding46221 | 25 | $287 |
Typical Medicare-allowed amounts for these services range $287–$287 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 48 | 15 |
| Levothyroxine Sodium | 42 | 14 |
| Lisinopril | 32 | — |
| Amlodipine Besylate | 20 | — |
| Allopurinol | 19 | — |
| Tamsulosin Hcl | 17 | — |
| Apixabanbrand: Eliquis |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2013-10-04
Frequently asked questions
- What is Ernest Castro's NPI number?
- Ernest Castro's National Provider Identifier (NPI) is 1982785721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernest Castro's specialty?
- Ernest Castro is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ernest Castro located?
- Ernest Castro's practice location on file with NPPES is 1707 Cole Blvd, Golden, CO 80401-3219.
- What is Ernest Castro's phone number?
- The practice phone number listed in the NPPES registry for Ernest Castro is (303) 233-8295.
- Does Ernest Castro accept Medicare?
- Ernest Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ernest Castro's NPI active?
- Yes — Ernest Castro's NPI (1982785721) is active in the NPPES registry as of the last update on 2013-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.