DR. ASHIS KUMAR CHAKRABARTI M.D.
NPI 1912953001
Internal Medicine - Hematology & Oncology in Terre Haute, IN

Q: What is Ashis Chakrabarti's NPI number?

The NPI number for Ashis Chakrabarti is 1912953001. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Q: What is Ashis Chakrabarti's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Ashis Chakrabarti was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 May 26, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

3702 S 4TH ST, TERRE HAUTE, IN 47802(812) 234-0098(812) 234-3873 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 13, 2026, Mar 7, 2023 (2 updates tracked since 2023).

On this page

About Dr. Ashis Kumar Chakrabarti M.d. NPPES

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

DR. ASHIS KUMAR CHAKRABARTI M.D. (NPI 1912953001) is an individual hematology & oncology provider in Terre Haute, Indiana, licensed in Indiana (01054036A) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Inc, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1912953001

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. ASHIS KUMAR CHAKRABARTICredential: M.D.

Location Address3702 S 4TH STTerre Haute, IN 47802-5507

Mailing Address3702 S 4th StTerre Haute, IN 47802-5507 · (812) 234-0098 · Fax (812) 234-3873

Phone(812) 234-0098

Fax(812) 234-3873

Sole ProprietorNo

Medical School CMSOtherGraduated 1987

Enumeration DateMay 26, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1912953001 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in IN · 01054036A

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

3702 S 4TH ST, Terre Haute, IN 47802

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Other Identifiers 2

Other01054036BIN · Controlled Substance

Other000000202486IN · Anthem

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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. Ashis Kumar Chakrabarti 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 ID6608917901

PECOS Enrollment IDI20100108000582

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

Union Associated Physicians Clinic, LLC

2.9 mi

Family Medicine

221 S 6TH ST
Terre Haute, IN 47807

Reassigned Medicare billing, Indiana enrollment
306 clinicians in this Medicare group

NPI 1891028379 (812) 232-0564

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 12

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 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.

472 services199 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.

234 services172 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

164 services32 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

88 services22 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.

61 services27 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.

58 services58 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.

54 services44 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.

36 services31 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.

35 services24 patients

Irrigation of implanted venous access drug delivery device 96523

Irrigation of an implanted venous access drug delivery device is a procedure to clean or unblock the device. This device is implanted under your skin to allow easy, frequent, and long-term access to your veins for medication delivery. The process involves flushing the device with a sterile solution to ensure it works properly.

28 services19 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.

17 services11 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.

16 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Union Hospital Inc

Acute Care Hospitals · Terre Haute, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150023

Location1606 N Seventh StTerre Haute, IN 47804 · Vigo County

Emergency services Birthing friendly

Terre Haute Regional Hospital

Acute Care Hospitals · Terre Haute, IN

3/5 CMS rating

OwnershipProprietary

CMS Certification Number150046

Location3901 S Seventh StTerre Haute, IN 47802 · Vigo County

Emergency services Birthing friendly

Greene County General Hospital

Critical Access Hospitals · Linton, IN

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number151317

Location1185 N 1000 WLinton, IN 47441 · Greene County

Emergency services Birthing friendly

Union Hospital Clinton

Critical Access Hospitals · Clinton, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number151326

Location801 S Main StClinton, IN 47842 · Vermillion County

Emergency services

Sullivan County Community Hospital

Critical Access Hospitals · Sullivan, IN

OwnershipGovernment - Local

CMS Certification Number151327

Location2200 N Section StSullivan, IN 47882 · Sullivan County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 47802 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

$161.76 typical visit price

range $53.07 – $161.76

Typical copayment $40.44 (range $13.26 – $40.44)

Most-billed visit code 99205

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

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.

100/100

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

Individually scored

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

e-Prescribing

97%323 patients4/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

100%535 patients5/55-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.

Other Providers at the Same Location NPPES 4

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

DR. CHANDRA GAVVA REDDY M.D.

Internal Medicine (Hematology & Oncology)

3702 S 4TH ST
TERRE HAUTE, IN 47802

Vigo County (812) 234-0098

SHAILJA SHAH M.D

Internal Medicine (Hematology & Oncology)

3702 S 4TH ST
TERRE HAUTE, IN 47802

Vigo County (812) 234-0098

UNION ASSOCIATED PHYSICIANS CLINIC, LLC

Internal Medicine (Hematology & Oncology)

3702 S 4TH ST
TERRE HAUTE, IN 47802

Vigo County (812) 234-0098

C.R. GAVVA MD, P.C.

Internal Medicine (Hematology & Oncology)

3702 S 4TH ST
TERRE HAUTE, IN 47802

Vigo County (812) 234-0098

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 Ashis Chakrabarti's NPI number?

The NPI number for Ashis Chakrabarti is 1912953001. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Where is Ashis Chakrabarti located?

Ashis Chakrabarti practices at 3702 S 4th St, Terre Haute, IN 47802. The listed phone number is (812) 234-0098.

What is Ashis Chakrabarti's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Ashis Chakrabarti enrolled in Medicare?

Yes. Ashis Chakrabarti 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 Ashis Chakrabarti's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashis Chakrabarti reassigns Medicare benefits to Union Associated Physicians Clinic, LLC (Terre Haute, IN). 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 Ashis Chakrabarti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ashis Chakrabarti accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Anthem Blue Cross and Blue Shield list Ashis Chakrabarti as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ashis Chakrabarti affiliated with any hospitals?

According to CMS data, Ashis Chakrabarti is affiliated with Union Hospital Inc, Terre Haute Regional Hospital, Greene County General Hospital, Union Hospital Clinton and Sullivan County Community Hospital.

When was this NPI record last updated?

The NPPES record for Ashis Chakrabarti was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.