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WARREN B GAVIN MD
NPI 1881852085
Internal Medicine in Indianapolis, IN

Active since May 26, 2008PECOS EnrolledAccepts Medicare Assignment
1800 N CAPITOL AVE, NP E140, INDIANAPOLIS, IN 46202(317) 962-2894(317) 963-5285 Get Directions Write a Review

NPPES record last updated: March 8, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 8, 2025, Jan 25, 2022, Jan 27, 2021 (3 updates tracked since 2021).

About Warren B Gavin Md NPPES

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

WARREN B GAVIN MD (NPI 1881852085) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (01066353A) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1881852085
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWARREN B GAVINCredential: MD
Location Address1800 N CAPITOL AVE, NP E140Indianapolis, IN 46202-1218
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959
Phone(317) 962-2894
Fax(317) 963-5285
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateMay 26, 2008
Last NPPES UpdateMarch 8, 20253 updates tracked since enumeration
NPPES CertifiedMarch 8, 2025
✔ NPI 1881852085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IN · 01066353A
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 01066353A (IN)
1800 N CAPITOL AVE, Indianapolis, IN 46202
Open in Google Maps ↗

Secondary Practice Location 1

Location 11701 N Senate BlvdIndianapolis, IN 46202-1239 · Phone (888) 484-3258

Other Identifiers 3

Medicaid200990240IN
OtherP00886806IN · Railroad Medicare
Other000000673133IN · Anthem Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

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

Warren B Gavin 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 ID3375675556
PECOS Enrollment IDI20100723000464
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 4

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.
128 services62 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.
116 services52 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.
49 services48 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.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
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.

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.

AMANDA T TROUT PA-C
Physician Assistant
1800 N CAPITOL AVE, NP E-140
INDIANAPOLIS, IN 46202
Marion County (317) 962-2894
JEFFREY L FARMER MD
Internal Medicine
1800 N CAPITOL AVE, E-140
INDIANAPOLIS, IN 46202
Marion County (317) 962-2894
ALLYSON LYNETTE THOMAS MD
Internal Medicine
1800 N CAPITOL AVE, NP E-140
INDIANAPOLIS, IN 46202
Marion County (317) 962-2894
MARK M KANDARY MD
Internal Medicine
1800 N CAPITOL AVE
INDIANAPOLIS, IN 46202
Marion County (317) 962-2894
MS. TONI LYNN SMITH RN
Registered Nurse
1800 N CAPITOL AVE, E416
INDIANAPOLIS, IN 46202
Marion County (317) 962-0098
ATIF ZAFAR MD
Hospitalist
1800 N CAPITOL AVE, NP E-140
INDIANAPOLIS, IN 46202
Marion County (317) 962-2894
ALAINA C MCSHERRY NP
Nurse Practitioner (Family)
1800 N CAPITOL AVE, NP E-140
INDIANAPOLIS, IN 46202
Marion County (317) 962-2894
SYED-ADEEL H ZAIDI MD
Hospitalist
1800 N CAPITOL AVE, NP E-140
INDIANAPOLIS, IN 46202
Marion County (317) 962-2894

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 Warren Gavin's NPI number?

The NPI number for Warren Gavin is 1881852085. It was assigned to this individual provider in the NPPES registry on May 26, 2008.

Where is Warren Gavin located?

Warren Gavin practices at 1800 N Capitol Ave Np E140, Indianapolis, IN 46202. The listed phone number is (317) 962-2894.

What is Warren Gavin's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Warren Gavin enrolled in Medicare?

Yes. Warren Gavin 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.

What insurance does Warren Gavin accept?

Health plans from CareSource list Warren Gavin 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 Warren Gavin affiliated with any hospitals?

According to CMS data, Warren Gavin is affiliated with Indiana University Health.

When was this NPI record last updated?

The NPPES record for Warren Gavin was last updated on March 8, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.