Mary Poonen, M.D.
NPI 1780675256 · Psychiatry Physician · Huntington Beach, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Poonen, M.D. is a Psychiatry Physician provider in Huntington Beach, CA (NPI 1780675256).
Provider details
- NPI number
- 1780675256
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- C041790 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 60 | 12 |
| Mirtazapine | 49 | — |
| Aripiprazole | 37 | — |
| Prazosin Hcl | 35 | — |
| Risperidone | 34 | — |
| Buspirone Hcl | 31 | — |
| Hydroxyzine Pamoate | 27 | — |
| Haloperidol | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,081 across 30 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
- 2005-11-02
- Last updated
- 2014-04-10
Frequently asked questions
- What is Mary Poonen's NPI number?
- Mary Poonen's National Provider Identifier (NPI) is 1780675256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Poonen's specialty?
- Mary Poonen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Poonen located?
- Mary Poonen's practice location on file with NPPES is 16052 Beach Blvd, Huntington Beach, CA 92647-3801.
- What is Mary Poonen's phone number?
- The practice phone number listed in the NPPES registry for Mary Poonen is (714) 544-9466.
- Does Mary Poonen accept Medicare?
- Mary Poonen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Poonen's NPI active?
- Yes — Mary Poonen's NPI (1780675256) is active in the NPPES registry as of the last update on 2014-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.