Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GAUTAM BORTHAKUR M.D.
NPI 1629177944
Internal Medicine - Hematology in Chicago, IL

Active since September 22, 2006PECOS Enrolled
81.38/100
CMS Quality Rating
1520 W HARRISON ST, CHICAGO, IL 60607(312) 942-5904 Get Directions Write a Review

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

Record update history: Aug 18, 2026, Feb 10, 2025 (2 updates tracked since 2025).

About Gautam Borthakur M.d. NPPES

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

GAUTAM BORTHAKUR M.D. (NPI 1629177944) is an individual hematology provider in Chicago, Illinois, licensed in Illinois (036.181720) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1985).

NPPES Registry Identity

NPI1629177944
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameGAUTAM BORTHAKURCredential: M.D.
Location Address1520 W HARRISON STChicago, IL 60607-3106
Mailing Address1520 W Harrison StChicago, IL 60607-3106 · (312) 942-5904
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateSeptember 22, 2006
Last NPPES UpdateAugust 18, 20262 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
NPI 1629177944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License Licensed in IL · 036.181720
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License 036.181720 (IL)
1520 W HARRISON ST, Chicago, IL 60607

Other Identifiers 2

Medicaid39164102TX
Other8R9760TX · Bcbs

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gautam Borthakur 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 ID9133166473
PECOS Enrollment IDI20050408000580
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.

Areas of Expertise CMS Part B claims 6

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.
221 services36 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.
203 services78 patients
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.
192 services104 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.
20 services20 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.
17 services11 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60607 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
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
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.

81.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.25
Promoting Interoperability100
Improvement Activities40
Cost49.97

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.

Clinical Exercise Physiologist
1520 W HARRISON ST
CHICAGO, IL 60607
Physician Assistant
1520 W HARRISON ST
CHICAGO, IL 60607
Physical Medicine & Rehabilitation
1520 W HARRISON ST
CHICAGO, IL 60607
Nurse Practitioner
1520 W HARRISON ST
CHICAGO, IL 60607
Pharmacist
1520 W HARRISON ST
CHICAGO, IL 60607
Psychiatry & Neurology (Neurology)
1520 W HARRISON ST
CHICAGO, IL 60607
Internal Medicine (Gastroenterology)
1520 W HARRISON ST
CHICAGO, IL 60607
Pharmacist (Oncology)
1520 W HARRISON ST
CHICAGO, IL 60607

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 Gautam Borthakur's NPI number?

The NPI number for Gautam Borthakur is 1629177944. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Gautam Borthakur located?

Gautam Borthakur practices at 1520 W Harrison St, Chicago, IL 60607. The listed phone number is (312) 942-5904.

What is Gautam Borthakur's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Gautam Borthakur enrolled in Medicare?

Yes. Gautam Borthakur 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.

When was this NPI record last updated?

The NPPES record for Gautam Borthakur was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.