Isaac Vielma, M.D.
NPI 1831284207 · Hospice and Palliative Medicine (Family Medicine) Physician · Reseda, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Vielma, M.D. is a Hospice and Palliative Medicine (Family Medicine) Physician provider in Reseda, CA (NPI 1831284207).
Provider details
- NPI number
- 1831284207
- Entity type
- Individual
- Primary specialty
- Hospice and Palliative Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A90584 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 48 | 26 |
| Fentanyl | 43 | — |
| Lactulose | 31 | 14 |
| Meloxicam | 31 | — |
| Hydromorphone Hcl | 29 | — |
| Morphine Sulfatebrand: Morphine Sulfate Er | 29 | — |
| Mirtazapine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2021-12-01
- Certified
- 2021-12-01
Frequently asked questions
- What is Isaac Vielma's NPI number?
- Isaac Vielma's National Provider Identifier (NPI) is 1831284207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Vielma's specialty?
- Isaac Vielma is listed in the NPPES registry with a primary specialty of Hospice and Palliative Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Vielma located?
- Isaac Vielma's practice location on file with NPPES is 18855 Victory Blvd, Reseda, CA 91335-6445.
- What is Isaac Vielma's phone number?
- The practice phone number listed in the NPPES registry for Isaac Vielma is (818) 920-8070.
- Does Isaac Vielma accept Medicare?
- Isaac Vielma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Vielma's NPI active?
- Yes — Isaac Vielma's NPI (1831284207) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.