S VENKATARAMAN M.D.
NPI 1154347748
Internal Medicine - Gastroenterology in Oak Lawn, IL

Q: What is S Venkataraman's NPI number?

The NPI number for S Venkataraman is 1154347748. It was assigned to this individual provider in the NPPES registry on July 15, 2006.

Q: What is S Venkataraman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for S Venkataraman was last updated on December 30, 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 July 15, 2006PECOS EnrolledAccepts Medicare Assignment

50.53/100

CMS Quality Rating

10458 S PULASKI RD, OAK LAWN, IL 60453(708) 636-1818(708) 636-2151 Get Directions Write a Review

NPPES record last updated: December 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About S Venkataraman M.d. NPPES

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

S VENKATARAMAN M.D. (NPI 1154347748) is an individual gastroenterology provider in Oak Lawn, Illinois, licensed in Illinois (036067578) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and is a graduate of Other (1976).

NPPES Registry Identity

NPI1154347748

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameS VENKATARAMANCredential: M.D.

Location Address10458 S PULASKI RDOak Lawn, IL 60453-4933

Mailing Address10458 S Pulaski RdOak Lawn, IL 60453-4933 · (708) 636-1818 · Fax (708) 636-2151

Phone(708) 636-1818

Fax(708) 636-2151

Sole ProprietorNo

Medical School CMSOtherGraduated 1976

Enumeration DateJuly 15, 2006

Last NPPES UpdateDecember 30, 2021

NPPES CertifiedDecember 30, 2021

✔ NPI 1154347748 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in IL · 036067578

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

10458 S PULASKI RD, Oak Lawn, IL 60453

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Other Identifiers 3

Other0031601474IL · Blue Shield

Other110023497IL · Railroad Medicare

Medicaid036067578IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

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

S Venkataraman M.d. 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 ID6305891953

PECOS Enrollment IDI20050317000090

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 S Venkataraman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southwest Medical Consultants, S.C.

Same address

Gastroenterology

10458 S PULASKI RD
Oak Lawn, IL 60453

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Southwest Medical Consultants Sc
5 clinicians in this Medicare group

NPI 1265458889 (708) 636-1818

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 13

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.

239 services145 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

109 services63 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.

101 services68 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

59 services58 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

37 services37 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

35 services32 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.

35 services35 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

28 services24 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.

23 services22 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

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

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.

20 services20 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

14 services14 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

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

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140276

Location2160 S 1st AvenueMaywood, IL 60153 · 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.

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.

50.53/100

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

Individually scored

Quality

62.82

Improvement Activities

Cost

79.6

Reported Quality Measures

Appropriate Treatment for Upper Respiratory Infection (URI)

95%183 patients4/55-star benchmark: 100%

Breast Cancer Screening

0%453 patients1/55-star benchmark: 93%

Cervical Cancer Screening

0%368 patients1/55-star benchmark: 98%

Colorectal Cancer Screening

12%957 patients1/55-star benchmark: 88%

Controlling High Blood Pressure

45%231 patients2/55-star benchmark: 91%

Diabetes: Eye Exam

0%225 patients1/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

93%225 patients1/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

95%2,378 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

0%614 patients1/55-star benchmark: 100%

Functional Status Assessments for Heart Failure

0%24 patients

HIV Screening

0%866 patients1/55-star benchmark: 60%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

18%1,425 patients1/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

0%1,926 patients1/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

20%1,370 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 72% · 473 patients

Patients screened: 80% · 473 patients

8%38 patients1/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

71%399 patients3/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 658 patients

Patients totalRate: 1% · 658 patients

1%658 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

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

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

4 suppliers22 claims22 services$187.72 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 6

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

MAHESH VADALI M.D.

Internal Medicine (Gastroenterology)