DR. AMBALAVANAN ARUNACHALAM M.D
NPI 1073868154
Internal Medicine - Pulmonary Disease in Chicago, IL

Q: What is Ambalavanan Arunachalam's NPI number?

The NPI number for Ambalavanan Arunachalam is 1073868154. It was assigned to this individual provider in the NPPES registry on July 16, 2012.

Q: What is Ambalavanan Arunachalam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Active since July 16, 2012PECOS EnrolledAccepts Medicare Assignment

675 N SAINT CLAIR ST STE 18-250, CHICAGO, IL 60611(312) 695-1800(312) 695-4741 Get Directions Write a Review

NPPES record last updated: May 16, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 16, 2022, Sep 24, 2020, Jul 3, 2018 (3 updates tracked since 2018).

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About Dr. Ambalavanan Arunachalam M.d NPPES

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

DR. AMBALAVANAN ARUNACHALAM M.D (NPI 1073868154) is an individual pulmonary disease provider in Chicago, Illinois, licensed in Illinois (036152826) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1073868154

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. AMBALAVANAN ARUNACHALAMCredential: M.D

Location Address675 N SAINT CLAIR ST STE 18-250Chicago, IL 60611-5980

Mailing Address675 N Saint Clair St Ste 18-250Chicago, IL 60611-5980 · (312) 695-1800 · Fax (312) 695-4741

Phone(312) 695-1800

Fax(312) 695-4741

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateJuly 16, 2012

Last NPPES UpdateMay 16, 20223 updates tracked since enumeration

NPPES CertifiedMay 16, 2022

✔ NPI 1073868154 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in IL · 036152826

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

675 N SAINT CLAIR ST STE 18-250, Chicago, IL 60611

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Secondary Practice Locations 2

Location 1676 N Saint Clair St Ste 14-044Chicago, IL 60611-2927 · Phone (312) 908-8163 · Fax (312) 695-1394

Location 225 N Winfield Rd Ste 204Winfield, IL 60190-1379 · Phone (630) 232-0202 · Fax (630) 690-2293

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama, Taro Health.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

Dr. Ambalavanan Arunachalam 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 ID9739436932

PECOS Enrollment IDI20200723002745, I20260513000681

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 Ambalavanan Arunachalam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Dupage Physician Group

25 mi

Family Medicine

5777 DEPARTMENT
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
1,664 clinicians in this Medicare group

NPI 1033149844 (630) 933-3300

Northwestern Medical Faculty Foundation

35 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

Synergy Hospitalist Partners LLC

524 mi

Hospitalist

200 MEDICAL CENTER DR SW
Fort Payne, AL 35968

Reassigned Medicare billing, Alabama enrollment
5 clinicians in this Medicare group

NPI 1912799107 (256) 845-3150

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 7

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.

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.

155 services44 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

121 services17 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.

120 services69 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.

39 services12 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

31 services18 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140062

Location12251 South 80th AvenuePalos Heights, IL 60463 · 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 Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page 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 60611 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.

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$32.37 avg. paid by Medicare

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

26 suppliers104 claims9,745 services$0.28 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

13 suppliers48 claims7,110 services$0.19 avg. paid by Medicare

Sirolimus, oral, 1 mg J7520

Treatment-Treatment - Miscellaneous · category RX029N

5 suppliers20 claims900 services$2.63 avg. paid by Medicare

Treprostinil, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, 1.74 mg J7686

DME-Drugs Administered Through DME · category DG004N

1 supplier13 claims364 services$548.54 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

29 suppliers94 claims94 services$18.12 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.

BRIDGET GERAGHTY FNP

Nurse Practitioner