SEBASTIAN RUIZ MD
NPI 1851910509
Internal Medicine in Indianapolis, IN

Q: What is Sebastian Ruiz's NPI number?

The NPI number for Sebastian Ruiz is 1851910509. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Q: What is Sebastian Ruiz's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sebastian Ruiz was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 April 13, 2020PECOS EnrolledAccepts Medicare Assignment

1130 W MICHIGAN ST, INDIANAPOLIS, IN 46202(317) 278-2686 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 4, 2026, Jun 23, 2023, Apr 13, 2020 (3 updates tracked since 2020).

On this page

About Sebastian Ruiz Md NPPES

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

SEBASTIAN RUIZ MD (NPI 1851910509) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (01089760A) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1851910509

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameSEBASTIAN RUIZCredential: MD

Location Address1130 W MICHIGAN STIndianapolis, IN 46202-5209

Mailing Address1130 W Michigan StIndianapolis, IN 46202-5209 · (323) 633-8838

Phone(317) 278-2686

Sole ProprietorYes

Medical School CMSIndiana University School Of MedicineGraduated 2020

Enumeration DateApril 13, 2020

Last NPPES UpdateAugust 4, 20263 updates tracked since enumeration

NPPES CertifiedAugust 4, 2026

✔ NPI 1851910509 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IN · 01089760A

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.

1130 W MICHIGAN ST, Indianapolis, IN 46202

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Secondary Practice Locations 5

Location 11907 W Sycamore StKokomo, IN 46901-5148 · Phone (765) 456-5433

Location 22015 Jackson StAnderson, IN 46016-4337 · Phone (765) 649-2511

Location 313500 N Meridian StCarmel, IN 46032-1456 · Phone (317) 582-7000

Location 41701 N Senate BlvdIndianapolis, IN 46202-1239 · Phone (317) 962-8776

Location 513861 Olio RdFishers, IN 46037-3487 · Phone (317) 338-7136

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, Cigna Healthcare.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

Sebastian Ruiz 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 ID345661146

PECOS Enrollment IDI20230627000258

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 Sebastian Ruiz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Family Physicians, Inc.

1.2 mi

Family Medicine

1701 N SENATE BLVD
Indianapolis, IN 46202

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

NPI 1043275787 (317) 962-2000

Iu Health Medical Group, LLC

1.3 mi

General Practice

1701 N SENATE BLVD
Indianapolis, IN 46202

Reassigned Medicare billing, Indiana enrollment
5,212 clinicians in this Medicare group

NPI 1326893777 (317) 962-2000

St Vincent Medical Group Inc

9.2 mi

Cardiovascular Disease

8425 HARCOURT RD
Indianapolis, IN 46260

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

NPI 1558686436 (317) 471-4098

St Vincent Physician Services Hospital And Health Care Center

9.3 mi

Family Medicine

2001 W 86TH ST
Indianapolis, IN 46260

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

NPI 1669422234 (317) 338-2273

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 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 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.

242 services99 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.

212 services83 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.

80 services78 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.

33 services33 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.

ISAAC HUNTER MD

Student in an Organized Health Care Education/Training Program

1130 W MICHIGAN ST, FESLER HALL ROOM 204
INDIANAPOLIS, IN 46202

Marion County (317) 274-0275

NICOLE KATHLEEN RUD MD

Student in an Organized Health Care Education/Training Program

1130 W MICHIGAN ST
INDIANAPOLIS, IN 46202

Marion County (317) 278-1440

TIMOTHY WAITE DO

Anesthesiology

1130 W MICHIGAN ST
INDIANAPOLIS, IN 46202

Marion County (317) 274-0076

CHLOE COULTER MD

Student in an Organized Health Care Education/Training Program

1130 W MICHIGAN ST
INDIANAPOLIS, IN 46202

Marion County (317) 274-0275

KRISTIN ELIZABETH KIM M.D.

Anesthesiology

1130 W MICHIGAN ST, FESLER HALL 204
INDIANAPOLIS, IN 46202

Marion County (713) 274-4343

NAMRATHA KOLUR

Anesthesiology

1130 W MICHIGAN ST
INDIANAPOLIS, IN 46202

Marion County (317) 274-0076

MARGARET M SPOLNIK MD

Internal Medicine

1130 W MICHIGAN ST, SUITE 318
INDIANAPOLIS, IN 46202

Marion County (317) 292-2192

MARGARET WATKINS MD

Student in an Organized Health Care Education/Training Program

1130 W MICHIGAN ST
INDIANAPOLIS, IN 46202

Marion County (317) 274-0275

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 Sebastian Ruiz's NPI number?

The NPI number for Sebastian Ruiz is 1851910509. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Where is Sebastian Ruiz located?

Sebastian Ruiz practices at 1130 W Michigan St, Indianapolis, IN 46202. The listed phone number is (317) 278-2686.

What is Sebastian Ruiz's specialty?

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

Is Sebastian Ruiz enrolled in Medicare?

Yes. Sebastian Ruiz 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 organizations bill Medicare for Sebastian Ruiz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sebastian Ruiz reassigns Medicare benefits to 4 organizations: University Family Physicians, Inc. (Indianapolis, IN), Iu Health Medical Group, LLC (Indianapolis, IN), St Vincent Medical Group Inc (Indianapolis, IN) and St Vincent Physician Services Hospital And Health Care Center (Indianapolis, IN). Each 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 Sebastian Ruiz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sebastian Ruiz accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource and Cigna Healthcare list Sebastian Ruiz 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 Sebastian Ruiz affiliated with any hospitals?

According to CMS data, Sebastian Ruiz is affiliated with Indiana University Health.

When was this NPI record last updated?

The NPPES record for Sebastian Ruiz was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.