MARY S VAMENTA MD
NPI 1699139493
Internal Medicine - Cardiovascular Disease in Chicago, IL

Q: What is Mary Vamenta's NPI number?

The NPI number for Mary Vamenta is 1699139493. It was assigned to this individual provider in the NPPES registry on April 7, 2016. The provider is also known as Stefanie Vamenta Yang.

Q: What is Mary Vamenta's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Vamenta was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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 April 07, 2016PECOS EnrolledAccepts Medicare Assignment

87.08/100

CMS Quality Rating

830 S WOOD ST, CHICAGO, IL 60612(312) 413-8898 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 8, 2025, Oct 11, 2023, Jul 16, 2019 (3 updates tracked since 2019).

On this page

About Mary S Vamenta Md NPPES

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

MARY S VAMENTA MD (NPI 1699139493) is an individual cardiovascular disease provider in Chicago, Illinois, licensed in Illinois (036-165692) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Lake Forest.

NPPES Registry Identity

NPI1699139493

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameMARY S VAMENTACredential: MD

Location Address830 S WOOD STChicago, IL 60612-4325

Mailing Address830 S Wood StChicago, IL 60612-4325

Phone(312) 413-8898

Sole ProprietorNo

Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2016

Enumeration DateApril 7, 2016

Last NPPES UpdateJuly 8, 20253 updates tracked since enumeration

NPPES CertifiedJuly 8, 2025

✔ NPI 1699139493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in IL · 036-165692

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedHospitalistTaxonomy 208M00000X · License 36559 (AL)

830 S WOOD ST, Chicago, IL 60612

Open in Google Maps ↗

Other Names 1

Former Name (1)Stefanie Vamenta Yang

Secondary Practice Location 1

Location 11000 N Westmoreland Rd # Level1Lake Forest, IL 60045-1658 · Phone (847) 534-3278 · Fax (847) 535-8590

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

Mary S Vamenta 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 ID7517253289

PECOS Enrollment IDI20231024003149

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 Reassignments

Medicare enrollment records show Mary Vamenta reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Board Of Trustees Of The University Of Illinois

Same address

Pediatrics

840 S WOOD ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
2,127 clinicians in this Medicare group

NPI 1093934275 (312) 996-6711

Northwestern Medical Faculty Foundation

32 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

University Of Alabama Health Services Foundation, PC

570 mi

Clinical Medical Laboratory

720 20TH STREET SOUTH
Birmingham, AL 35294

Reassigned Medicare billing, Alabama enrollment
4,494 clinicians in this Medicare group

NPI 1366638330 (205) 934-4983

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 17

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

210 services208 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

103 services81 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

61 services55 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

50 services42 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

48 services44 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

44 services41 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.

43 services21 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

40 services37 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.

32 services15 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.

28 services25 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

24 services22 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

23 services21 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

22 services22 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

21 services21 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

21 services21 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

20 services20 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

14 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140010

Location2650 Ridge AveEvanston, IL 60201 · Cook County

Emergency services Birthing friendly

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140116

Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County

Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140130

Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County

Emergency services Birthing friendly

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140202

Location801 S Milwaukee AveLibertyville, IL 60048 · Lake County

Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.08/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

70.79

Promoting Interoperability

100

Improvement Activities

Cost

52.82

Other Providers at the Same Location NPPES

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

MS. DARICE LINARES APN

Nurse Practitioner (Gerontology)

830 S WOOD ST
CHICAGO, IL 60612

Cook County (312) 355-1493

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 Mary Vamenta's NPI number?

The NPI number for Mary Vamenta is 1699139493. It was assigned to this individual provider in the NPPES registry on April 7, 2016. The provider is also known as Stefanie Vamenta Yang.

Where is Mary Vamenta located?

Mary Vamenta practices at 830 S Wood St, Chicago, IL 60612. The listed phone number is (312) 413-8898.

What is Mary Vamenta's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Mary Vamenta enrolled in Medicare?

Yes. Mary Vamenta 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 organizations bill Medicare for Mary Vamenta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Vamenta reassigns Medicare benefits to 3 organizations: The Board Of Trustees Of The University Of Illinois (Chicago, IL), Northwestern Medical Faculty Foundation (Carol Stream, IL) and University Of Alabama Health Services Foundation, PC (Birmingham, AL). Each 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 Mary Vamenta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mary Vamenta affiliated with any hospitals?

According to CMS data, Mary Vamenta is affiliated with Northshore University Healthsystem - Evanston Hospital, Northwestern Medicine Mchenry, Northwestern Lake Forest Hospital, Advocate Condell Medical Center and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Mary Vamenta was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.