Farhan Ayoub, MD
NPI 1699295501 · Internal Medicine Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Farhan Ayoub, MD is a Internal Medicine Physician provider in Irvine, CA (NPI 1699295501).
Provider details
- NPI number
- 1699295501
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA10749500 (NJ)
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
9 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
421 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 | 306 | $134 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 56 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $95 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 20 | $60 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 13 | $135 |
Typical Medicare-allowed amounts for these services range $8–$135 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 154 | 56 |
| Levothyroxine Sodium | 87 | 32 |
| Metoprolol Succinate | 81 | 30 |
| Rosuvastatin Calcium | 69 | 26 |
| Amlodipine Besylate | 63 | 23 |
| Metformin Hcl | 61 | 23 |
| Glipizide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$145 across 8 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
- 2017-06-21
- Last updated
- 2026-05-29
- Certified
- 2026-05-29
Frequently asked questions
- What is Farhan Ayoub's NPI number?
- Farhan Ayoub's National Provider Identifier (NPI) is 1699295501, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Farhan Ayoub's specialty?
- Farhan Ayoub is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Farhan Ayoub located?
- Farhan Ayoub's practice location on file with NPPES is 16300 Sand Canyon Ave Ste 311, Irvine, CA 92618-3703.
- What is Farhan Ayoub's phone number?
- The practice phone number listed in the NPPES registry for Farhan Ayoub is (949) 791-3101.
- Does Farhan Ayoub accept Medicare?
- Farhan Ayoub is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Farhan Ayoub's NPI active?
- Yes — Farhan Ayoub's NPI (1699295501) is active in the NPPES registry as of the last update on 2026-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.