Elmer Ignacio, M.D.
NPI 1578507604 · Psychiatry Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elmer Ignacio, M.D. is a Psychiatry Physician provider in Modesto, CA (NPI 1578507604).
Provider details
- NPI number
- 1578507604
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- A42103 (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
20 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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 152 | 11 |
| Benztropine Mesylate | 100 | 11 |
| Olanzapinebrand: Olanzapine Odt | 66 | — |
| Clonazepam | 56 | — |
| Clozapine | 50 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 49 | — |
| Quetiapine Fumarate | 48 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Elmer Ignacio's NPI number?
- Elmer Ignacio's National Provider Identifier (NPI) is 1578507604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elmer Ignacio's specialty?
- Elmer Ignacio is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Elmer Ignacio located?
- Elmer Ignacio's practice location on file with NPPES is 1524 Mchenry Ave., Modesto, CA 95350.
- What is Elmer Ignacio's phone number?
- The practice phone number listed in the NPPES registry for Elmer Ignacio is (209) 557-6201.
- Does Elmer Ignacio accept Medicare?
- Elmer Ignacio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elmer Ignacio's NPI active?
- Yes — Elmer Ignacio's NPI (1578507604) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.