Margarita Alonso, M.D.
NPI 1780618082 · Psychiatry Physician · Poway, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margarita Alonso, M.D. is a Psychiatry Physician provider in Poway, CA (NPI 1780618082).
Provider details
- NPI number
- 1780618082
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G-75461 (CA)
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
310 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 151 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 119 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $74 |
Typical Medicare-allowed amounts for these services range $74–$105 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 58 | 15 |
| Bupropion Hclbrand: Bupropion Xl | 44 | — |
| Escitalopram Oxalate | 37 | — |
| Clonazepam | 36 | — |
| Alprazolam | 34 | — |
| Gabapentin | 32 | — |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margarita Alonso's NPI number?
- Margarita Alonso's National Provider Identifier (NPI) is 1780618082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margarita Alonso's specialty?
- Margarita Alonso is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Margarita Alonso located?
- Margarita Alonso's practice location on file with NPPES is 15525 Pomerado Rd, Poway, CA 92064-2435.
- What is Margarita Alonso's phone number?
- The practice phone number listed in the NPPES registry for Margarita Alonso is (858) 279-1223.
- Does Margarita Alonso accept Medicare?
- Margarita Alonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margarita Alonso's NPI active?
- Yes — Margarita Alonso's NPI (1780618082) 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.