Ann Shahwan, MD
NPI 1417040809 · Internal Medicine Physician · West Hills, CA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Shahwan, MD is a Internal Medicine Physician provider in West Hills, CA (NPI 1417040809).
Provider details
- NPI number
- 1417040809
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A79070 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,686 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 848 | $82 |
| Critical Care, First 30-74 Minutes99291 | 340 | $218 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 172 | $180 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 119 | $139 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 93 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 48 | 12 |
| Escitalopram Oxalate | 48 | — |
| Levothyroxine Sodium | 46 | 11 |
| Trazodone Hcl | 26 | — |
| Atorvastatin Calcium | 25 | — |
| Alprazolam | 22 | — |
| Donepezil Hcl | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$602 across 24 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
- 2006-09-30
- Last updated
- 2025-09-11
Frequently asked questions
- What is Ann Shahwan's NPI number?
- Ann Shahwan's National Provider Identifier (NPI) is 1417040809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Shahwan's specialty?
- Ann Shahwan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Shahwan located?
- Ann Shahwan's practice location on file with NPPES is 7345 Medical Center Dr, West Hills, CA 91307.
- What is Ann Shahwan's phone number?
- The practice phone number listed in the NPPES registry for Ann Shahwan is (818) 704-8988.
- Does Ann Shahwan accept Medicare?
- Ann Shahwan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Shahwan's NPI active?
- Yes — Ann Shahwan's NPI (1417040809) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.