VANESSA HAGAN MD
NPI 1215125927
Internal Medicine in Oak Lawn, IL

Q: What is Vanessa Hagan's NPI number?

The NPI number for Vanessa Hagan is 1215125927. It was assigned to this individual provider in the NPPES registry on October 9, 2007.

Q: What is Vanessa Hagan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Vanessa Hagan was last updated on December 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 09, 2007PECOS EnrolledAccepts Medicare Assignment

4400 W 95TH ST, STE 303, OAK LAWN, IL 60453(708) 423-1300 Get Directions Write a Review

NPPES record last updated: December 18, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Vanessa Hagan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

VANESSA HAGAN MD (NPI 1215125927) is an individual internal medicine provider in Oak Lawn, Illinois, licensed in Illinois (036110316) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1215125927

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameVANESSA HAGANCredential: MD

Location Address4400 W 95TH ST, STE 303Oak Lawn, IL 60453

Mailing Address4400 W 95th St, Ste 303Oak Lawn, IL 60453 · (708) 423-1300

Phone(708) 423-1300

Sole ProprietorYes

Medical School CMSOtherGraduated 2001

Enumeration DateOctober 9, 2007

Last NPPES UpdateDecember 18, 2021

NPPES CertifiedDecember 18, 2021

✔ NPI 1215125927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 036110316

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

4400 W 95TH ST, Oak Lawn, IL 60453

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Other Identifiers 1

Medicaid036110316IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Vanessa Hagan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961478318

PECOS Enrollment IDI20040907001107

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Vanessa Hagan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Vanessa Hagan, MD, Sc

Same address

Internal Medicine

4400 W 95TH ST, 303
Oak Lawn, IL 60453

Reassigned Medicare billing, Illinois enrollment

NPI 1053413807 (708) 423-1300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 19

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

1,092 services383 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

383 services53 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

306 services306 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

242 services128 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

195 services195 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

91 services15 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

74 services52 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

70 services53 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

58 services27 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

51 services50 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

38 services35 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

29 services29 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

27 services27 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

24 services24 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

24 services24 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

22 services22 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

21 services21 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

20 services20 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

19 services19 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Trinity Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140048

Location2320 E 93rd StChicago, IL 60617 · Cook County

Emergency services Birthing friendly

Rush University Medical Center

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140119

Location1653 West Congress ParkwayChicago, IL 60612 · Cook County

Emergency services Birthing friendly

Osf Little Company Of Mary Medical Center

Acute Care Hospitals · Evergreen Park, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140179

Location2800 W 95th StEvergreen Park, IL 60805 · Cook County

Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140208

Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

12 suppliers30 claims79 services$6.63 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

6 suppliers12 claims22 services$1.21 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier25 claims25 services$15.16 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers15 claims19 services$3.65 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers33 claims33 services$65.67 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

6 suppliers13 claims3,781 services$0.03 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RONALD MYINT M.D.

Internal Medicine

4400 W 95TH ST, SUITE 311
OAK LAWN, IL 60453

Cook County (708) 424-9710

MS. JANINE ROSE ROSENBERG M.S., C.G.C.

Genetic Counselor, MS

4400 W 95TH ST, PHYSICIANS' PAVILLION SUITE 207
OAK LAWN, IL 60453

Cook County (708) 684-1564

MISS JACQUELINE ROSE ZDON PA-C

Physician Assistant (Surgical)

4400 W 95TH ST, SUITE 205
OAK LAWN, IL 60453

Cook County (708) 346-4040

JOHN LOUIS ANCONA PA

Physician Assistant

4400 W 95TH ST, SUITE 205
OAK LAWN, IL 60453

Cook County (630) 977-9764

MARK S. REITER, M.D., S.C.

Clinic/Center

4400 W 95TH ST, SUITE 405
OAK LAWN, IL 60453

Cook County (708) 499-2323

ARIHA SHAH

Psychologist

4400 W 95TH ST
OAK LAWN, IL 60453

Cook County (708) 684-5832

MRS. ANNE ZIELLNSKI SCHAIBLE MD

Obstetrics & Gynecology

4400 W 95TH ST, STE 403
OAK LAWN, IL 60453

Cook County (708) 422-3984

DR. JOEL ROY GUILLORY JR. M. D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

4400 W 95TH ST, STE 205
OAK LAWN, IL 60453

Cook County (708) 346-4040

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Vanessa Hagan's NPI number?

The NPI number for Vanessa Hagan is 1215125927. It was assigned to this individual provider in the NPPES registry on October 9, 2007.

Where is Vanessa Hagan located?

Vanessa Hagan practices at 4400 W 95th St Ste 303, Oak Lawn, IL 60453. The listed phone number is (708) 423-1300.

What is Vanessa Hagan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Vanessa Hagan enrolled in Medicare?

Yes. Vanessa Hagan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Vanessa Hagan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vanessa Hagan reassigns Medicare benefits to Vanessa Hagan, MD, Sc (Oak Lawn, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vanessa Hagan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Vanessa Hagan affiliated with any hospitals?

According to CMS data, Vanessa Hagan is affiliated with Advocate Trinity Hospital, Rush University Medical Center, Osf Little Company Of Mary Medical Center and Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Vanessa Hagan was last updated on December 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.