Aileen Whelan, M.D.
NPI 1306955125 · Internal Medicine Physician · Burlingame, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aileen Whelan, M.D. is a Internal Medicine Physician provider in Burlingame, CA (NPI 1306955125).
Provider details
- NPI number
- 1306955125
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G70278 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
701 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 | 396 | $152 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 142 | $156 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $110 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 43 | $214 |
| Administration of Influenza Virus VaccineG0008 | 41 | $39 |
| Admn Sarscov2 Vacc 1 Dose90480 | 16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 500 | 142 |
| Amlodipine Besylate | 337 | 95 |
| Levothyroxine Sodium | 300 | 68 |
| Lisinopril | 248 | 61 |
| Losartan Potassium | 203 | 53 |
| Metoprolol Succinate | 159 | 46 |
| Alendronate Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-29
- Last updated
- 2020-03-10
- Certified
- 2020-03-10
Frequently asked questions
- What is Aileen Whelan's NPI number?
- Aileen Whelan's National Provider Identifier (NPI) is 1306955125, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aileen Whelan's specialty?
- Aileen Whelan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aileen Whelan located?
- Aileen Whelan's practice location on file with NPPES is 1501 Trousdale Dr, Burlingame, CA 94010-4506.
- What is Aileen Whelan's phone number?
- The practice phone number listed in the NPPES registry for Aileen Whelan is (650) 652-8500.
- Does Aileen Whelan accept Medicare?
- Aileen Whelan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aileen Whelan's NPI active?
- Yes — Aileen Whelan's NPI (1306955125) is active in the NPPES registry as of the last update on 2020-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.