Elmira Shishim, PA
NPI 1174777536 · Medical Physician Assistant · Ventura, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elmira Shishim, PA is a Medical Physician Assistant provider in Ventura, CA (NPI 1174777536).
Provider details
- NPI number
- 1174777536
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- PA19995 (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 tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
539 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 96 | $84 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 88 | $8 |
| Test Or Measurement for Functional Capacity, Each 15 Minutes97750 | 86 | $31 |
| Insertion of Temporary Bladder Tube51701 | 66 | $22 |
| Non-Needle Measurement and Recording of Electrical Activity of Muscles at Bladder and Bowel Openings51784 | 48 | $29 |
| Study of Rectum Sensitivity and Function91122 | 42 |
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 |
|---|---|---|
| Estradiol | 86 | 56 |
| Cephalexin | 38 | 26 |
| Vibegronbrand: Gemtesa | 35 | 11 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 17 | 12 |
| Fluconazole | 16 | 11 |
| Ibuprofen | 14 | 14 |
| Ondansetronbrand: Ondansetron Odt | 14 | 14 |
| Trimethoprim |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$68 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
Additional practice locations (1)
- 200 S Wells RdSuite 200Ventura, CA 93004-1377Phone: (805) 659-1740Fax: (805) 659-9959
Registry dates
- Enumerated
- 2008-11-12
- Last updated
- 2025-03-12
- Certified
- 2025-03-12
Frequently asked questions
- What is Elmira Shishim's NPI number?
- Elmira Shishim's National Provider Identifier (NPI) is 1174777536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elmira Shishim's specialty?
- Elmira Shishim is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elmira Shishim located?
- Elmira Shishim's practice location on file with NPPES is 300 Hillmont Ave, Ventura, CA 93003-1651.
- What is Elmira Shishim's phone number?
- The practice phone number listed in the NPPES registry for Elmira Shishim is (805) 652-6000.
- Does Elmira Shishim accept Medicare?
- Elmira Shishim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elmira Shishim's NPI active?
- Yes — Elmira Shishim's NPI (1174777536) is active in the NPPES registry as of the last update on 2025-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.