Vanessa Hagan, MD
NPI 1215125927 · Internal Medicine Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vanessa Hagan, MD is a Internal Medicine Physician provider in Oak Lawn, IL (NPI 1215125927).
Provider details
- NPI number
- 1215125927
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036110316 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
3,256 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,092 | $93 |
| 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 | 537 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 383 | $120 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 306 | $133 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 242 | $89 |
| Annual Depression Screening, 5 to 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 137 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 745 | 226 |
| Amlodipine Besylate | 669 | 204 |
| Levothyroxine Sodium | 453 | 116 |
| Azithromycin | 334 | 172 |
| Alprazolam | 328 | 68 |
| Metoprolol Succinate | 322 | 92 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (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
- 2007-10-09
- Last updated
- 2021-12-18
- Certified
- 2021-12-18
Frequently asked questions
- What is Vanessa Hagan's NPI number?
- Vanessa Hagan's National Provider Identifier (NPI) is 1215125927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vanessa Hagan's specialty?
- Vanessa Hagan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vanessa Hagan located?
- Vanessa Hagan's practice location on file with NPPES is 4400 W 95th St, Oak Lawn, IL 60453.
- What is Vanessa Hagan's phone number?
- The practice phone number listed in the NPPES registry for Vanessa Hagan is (708) 423-1300.
- Does Vanessa Hagan accept Medicare?
- Vanessa Hagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vanessa Hagan's NPI active?
- Yes — Vanessa Hagan's NPI (1215125927) is active in the NPPES registry as of the last update on 2021-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.