MAHMOUD YASSIN-KASSAB M.D.
NPI 1144281486
Internal Medicine in Indianapolis, IN

Q: What is Mahmoud Yassin-kassab's NPI number?

The NPI number for Mahmoud Yassin-kassab is 1144281486. It was assigned to this individual provider in the NPPES registry on March 28, 2006. The provider is also known as Mr. Mahmoud Yassin-Kassab MD.

Q: What is Mahmoud Yassin-kassab's specialty?

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

Active since March 28, 2006PECOS EnrolledAccepts Medicare Assignment

1400 N RITTER AVE, SUITE 375B, INDIANAPOLIS, IN 46219(317) 355-9370(317) 621-5678 Get Directions Write a Review

NPPES record last updated: June 22, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Mahmoud Yassin-kassab M.d. NPPES

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

MAHMOUD YASSIN-KASSAB M.D. (NPI 1144281486) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (IN01057007) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Community Hospital East, and is a graduate of Other (1989).

NPPES Registry Identity

NPI1144281486

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMAHMOUD YASSIN-KASSABCredential: M.D.

Location Address1400 N RITTER AVE, SUITE 375BIndianapolis, IN 46219-3052

Mailing Address6626 E 75th St, Suite 500Indianapolis, IN 46250-2890

Phone(317) 355-9370

Fax(317) 621-5678

Sole ProprietorNo

Medical School CMSOtherGraduated 1989

Enumeration DateMarch 28, 2006

Last NPPES UpdateJune 22, 2021

NPPES CertifiedJune 22, 2021

✔ NPI 1144281486 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 · IN01057007

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.

1400 N RITTER AVE, Indianapolis, IN 46219

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Other Names 1

Former Name (1)Mr. Mahmoud Yassin-kassab Md

Other Identifiers 3

Other000000373842IN · Anthem

Medicaid200425720IN

OtherP01235995IN · Medicare Rr Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Anthem Blue Cross and Blue Shield.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

Mahmoud Yassin-kassab 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 ID6103858774

PECOS Enrollment IDI20050902000532

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 Mahmoud Yassin-kassab reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community Physicians Of Indiana Inc

7.0 mi

Family Medicine

7240 SHADELAND STATION, SUITE 300
Indianapolis, IN 46256

Reassigned Medicare billing, Indiana enrollment
2,087 clinicians in this Medicare group

NPI 1619105244 (317) 355-5555

Westview Delivery System Inc

13 mi

Geriatric Medicine

9894 E 121ST ST
Fishers, IN 46037

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

NPI 1366123176 (317) 621-6060

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 14

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.

405 services194 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.

211 services132 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.

184 services169 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.

96 services94 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

76 services35 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

68 services37 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

63 services63 patients

Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

59 services52 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

35 services35 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.

31 services31 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.

27 services27 patients

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

18 services13 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

14 services11 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Community Hospital East

Acute Care Hospitals · Indianapolis, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150074

Location1500 N Ritter AveIndianapolis, IN 46219 · Marion County

Emergency services Birthing friendly

Community Hospital South, Inc.

Acute Care Hospitals · Indianapolis, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150128

Location1402 E County Line Rd SIndianapolis, IN 46227 · Marion County

Emergency services Birthing friendly

Community Hospital North

Acute Care Hospitals · Indianapolis, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150169

Location7150 Clearvista DrIndianapolis, IN 46256 · Marion County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46219 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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier39 claims39 services$14.57 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier11 claims11 services$4.02 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier72 claims72 services$68.10 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier13 claims13 services$32.39 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.

COMMUNITY HOSPITALS OF INDIANA INC

Neurological Surgery

1400 N RITTER AVE, SUITE 231
INDIANAPOLIS, IN 46219

Marion County (317) 355-1470

INDIANA ORTHOPAEDIC CENTER

Orthopaedic Surgery

1400 N RITTER AVE, SUITE 351
INDIANAPOLIS, IN 46219

Marion County (317) 588-2663

COMMUNITY GASTROENTEROLOGY PC

Internal Medicine (Gastroenterology)

1400 N RITTER AVE, STE 210
INDPLS, IN 46219

Marion County (317) 355-4191

ROBERT STANLEY FLINT II MD PHD

Psychiatry & Neurology (Neurology)

1400 N RITTER AVE, SUITE 451
INDIANAPOLIS, IN 46219

Marion County (317) 356-8301

COMMUNITY HOSPITALS OF INDIANA

Orthopaedic Surgery

1400 N RITTER AVE, SUITE 510
INDIANAPOLIS, IN 46219

Marion County (317) 355-2050

COMMUNITY PHYSICIANS OF INDIANA INC

Orthopaedic Surgery

1400 N RITTER AVE, SUITE 510
INDIANAPOLIS, IN 46219

Marion County (317) 355-2050

NASRALLAH HADDAD M.D.

Surgery

1400 N RITTER AVE, SUITE 330
INDIANAPOLIS, IN 46219

Marion County (317) 355-1000

KEVIN G MCAREE M.D.

Surgery

1400 N RITTER AVE, SUITE 120
INDIANAPOLIS, IN 46219

Marion County (317) 355-1000

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 Mahmoud Yassin-kassab's NPI number?

The NPI number for Mahmoud Yassin-kassab is 1144281486. It was assigned to this individual provider in the NPPES registry on March 28, 2006. The provider is also known as Mr. Mahmoud Yassin-Kassab MD.

Where is Mahmoud Yassin-kassab located?

Mahmoud Yassin-kassab practices at 1400 N Ritter Ave Suite 375B, Indianapolis, IN 46219. The listed phone number is (317) 355-9370.

What is Mahmoud Yassin-kassab's specialty?

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

Is Mahmoud Yassin-kassab enrolled in Medicare?

Yes. Mahmoud Yassin-kassab 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 Mahmoud Yassin-kassab's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mahmoud Yassin-kassab reassigns Medicare benefits to 2 organizations: Community Physicians Of Indiana Inc (Indianapolis, IN) and Westview Delivery System Inc (Fishers, 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 Mahmoud Yassin-kassab's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mahmoud Yassin-kassab accept?

Health plans from AmeriHealth Caritas Next and Anthem Blue Cross and Blue Shield list Mahmoud Yassin-kassab 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 Mahmoud Yassin-kassab affiliated with any hospitals?

According to CMS data, Mahmoud Yassin-kassab is affiliated with Community Hospital East, Community Hospital South, Inc. and Community Hospital North.

When was this NPI record last updated?

The NPPES record for Mahmoud Yassin-kassab was last updated on June 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.