Mary Ahmadian, N.P.
NPI 1952812448 · Acute Care Nurse Practitioner · Irvine, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Ahmadian, N.P. is a Acute Care Nurse Practitioner provider in Irvine, CA (NPI 1952812448).
Provider details
- NPI number
- 1952812448
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 95007280 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
258 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 114 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 112 | $118 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 32 | $84 |
Typical Medicare-allowed amounts for these services range $84–$118 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 210 | 88 |
| Omeprazole | 128 | 58 |
| Pantoprazole Sodium | 50 | 23 |
| Linaclotidebrand: Linzess | 31 | 12 |
| Sucralfate | 27 | 13 |
| Dicyclomine Hcl | 17 | — |
| Lansoprazole | 15 | — |
| Lipase/Protease/Amylase |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$932 across 52 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
- 2017-10-24
- Last updated
- 2017-10-24
Frequently asked questions
- What is Mary Ahmadian's NPI number?
- Mary Ahmadian's National Provider Identifier (NPI) is 1952812448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ahmadian's specialty?
- Mary Ahmadian is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Ahmadian located?
- Mary Ahmadian's practice location on file with NPPES is Global Transitional Care Suite 100, Irvine, CA 92614.
- What is Mary Ahmadian's phone number?
- The practice phone number listed in the NPPES registry for Mary Ahmadian is (949) 679-3210.
- Does Mary Ahmadian accept Medicare?
- Mary Ahmadian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Ahmadian's NPI active?
- Yes — Mary Ahmadian's NPI (1952812448) is active in the NPPES registry as of the last update on 2017-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.