Rosmarie Ahsan, PA-C
NPI 1275084089 · Physician Assistant · Irvine, CA
Rosmarie Ahsan, PA-C is a Physician Assistant provider in Irvine, CA (NPI 1275084089).
Provider details
- NPI number
- 1275084089
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 53920 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 55 | 17 |
| Atorvastatin Calcium | 52 | 25 |
| Lisinopril | 29 | 12 |
| Tamsulosin Hcl | 26 | — |
| Levothyroxine Sodium | 25 | — |
| Amlodipine Besylate | 18 | — |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42 across 2 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
- 2016-10-17
- Last updated
- 2016-10-17
Frequently asked questions
- What is Rosmarie Ahsan's NPI number?
- Rosmarie Ahsan's National Provider Identifier (NPI) is 1275084089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosmarie Ahsan's specialty?
- Rosmarie Ahsan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rosmarie Ahsan located?
- Rosmarie Ahsan's practice location on file with NPPES is 19191 Norwood Ter, Irvine, CA 92603-3511.
- What is Rosmarie Ahsan's phone number?
- The practice phone number listed in the NPPES registry for Rosmarie Ahsan is (760) 408-7142.
- Is Rosmarie Ahsan's NPI active?
- Yes — Rosmarie Ahsan's NPI (1275084089) is active in the NPPES registry as of the last update on 2016-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.