Mary Ishak, PA-C
NPI 1750014189 · Physician Assistant · Pasadena, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Ishak, PA-C is a Physician Assistant provider in Pasadena, CA (NPI 1750014189).
Provider details
- NPI number
- 1750014189
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA62835 (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 tenure28% of score
3 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
629 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 253 | $86 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 205 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $59 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 26 | $127 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 25 | $72 |
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 |
|---|---|---|
| Rosuvastatin Calcium | 30 | 15 |
| Levothyroxine Sodium | 28 | — |
| Amlodipine Besylate | 28 | 13 |
| Pantoprazole Sodium | 27 | 12 |
| Atorvastatin Calcium | 25 | 13 |
| Losartan Potassium | 18 | — |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-07-04
- Last updated
- 2024-10-29
- Certified
- 2024-10-29
Frequently asked questions
- What is Mary Ishak's NPI number?
- Mary Ishak's National Provider Identifier (NPI) is 1750014189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ishak's specialty?
- Mary Ishak is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Ishak located?
- Mary Ishak's practice location on file with NPPES is 625 S Fair Oaks Ave Ste 400, Pasadena, CA 91105-2684.
- What is Mary Ishak's phone number?
- The practice phone number listed in the NPPES registry for Mary Ishak is (626) 568-1622.
- Does Mary Ishak accept Medicare?
- Mary Ishak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Ishak's NPI active?
- Yes — Mary Ishak's NPI (1750014189) is active in the NPPES registry as of the last update on 2024-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.