DR. JOSHUA DAVID AJJARAPU M.D.
NPI 1841501699
Hospitalist in Oak Park, IL

Q: What is Joshua Ajjarapu's NPI number?

The NPI number for Joshua Ajjarapu is 1841501699. It was assigned to this individual provider in the NPPES registry on June 27, 2010.

Q: What is Joshua Ajjarapu's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Joshua Ajjarapu was last updated on May 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 June 27, 2010PECOS EnrolledAccepts Medicare Assignment

3 ERIE CT, SUITE L-700, OAK PARK, IL 60302(708) 763-1222(708) 763-1471 Get Directions Write a Review

NPPES record last updated: May 18, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 18, 2025, Aug 24, 2020, Aug 18, 2020 (3 updates tracked since 2020).

On this page

About Dr. Joshua David Ajjarapu M.d. NPPES

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

DR. JOSHUA DAVID AJJARAPU M.D. (NPI 1841501699) is an individual hospitalist provider in Oak Park, Illinois, licensed in Illinois (036.132488) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Alexian Brothers Medical Center 1, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1841501699

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameDR. JOSHUA DAVID AJJARAPUCredential: M.D.

Location Address3 ERIE CT, SUITE L-700Oak Park, IL 60302-2519

Mailing Address3 Erie Ct, Suite L-700Oak Park, IL 60302-2519 · (708) 763-1222 · Fax (708) 763-1471

Phone(708) 763-1222

Fax(708) 763-1471

Sole ProprietorYes

Medical School CMSOtherGraduated 2009

Enumeration DateJune 27, 2010

Last NPPES UpdateMay 18, 20253 updates tracked since enumeration

NPPES CertifiedMay 18, 2025

✔ NPI 1841501699 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in IL · 036.132488

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License 036.132488 (IL)

3 ERIE CT, Oak Park, IL 60302

Open in Google Maps ↗

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. Joshua David Ajjarapu 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 ID5193951101

PECOS Enrollment IDI20131122000015

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

Cook Physician Services, P.C.

11 mi

Internal Medicine

355 RIDGE AVE
Evanston, IL 60202

Reassigned Medicare billing, Illinois enrollment
87 clinicians in this Medicare group

NPI 1487416376 (847) 316-4000

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

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.

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.

357 services334 patients

Hospital Affiliations CMS Care Compare 2

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

Alexian Brothers Medical Center 1

Acute Care Hospitals · Elk Grove Village, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140258

Location800 Biesterfield RdElk Grove Village, IL 60007 · Cook County

Emergency services Birthing friendly

St Alexius Medical Center

Acute Care Hospitals · Hoffman Estates, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140290

Location1555 N Barrington RdHoffman Estates, IL 60169 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60302 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

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.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

100%233 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 20

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

SARAH GOLDENBERG

Physical Therapist

3 ERIE CT
OAK PARK, IL 60302

Cook County (847) 975-7675

KAREN ANN B DENKOV APN

Nurse Practitioner (Family)

3 ERIE CT
OAK PARK, IL 60302

Cook County (708) 763-1476

TRAVIS A. TIRPAK APN-CNP

Nurse Practitioner

3 ERIE CT
OAK PARK, IL 60302

Cook County (708) 763-6747

HUSSAM ESKANDAFI M.D

Internal Medicine

3 ERIE CT, SUITE L700
OAK PARK, IL 60302

Cook County (708) 763-1222

KA NGAN WONG OTR/L

Occupational Therapist

3 ERIE CT
OAK PARK, IL 60302

Cook County (708) 383-6200

HEIDI ASBURY M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

3 ERIE CT
OAK PARK, IL 60302

Cook County (708) 763-6947

MAX L HARRIS MD

Internal Medicine (Rheumatology)

3 ERIE CT, L700
OAK PARK, IL 60302

Cook County (708) 763-2536

AMEENA SYEDA MADANI PA

Physician Assistant (Medical)

3 ERIE CT
OAK PARK, IL 60302

Cook County (224) 518-8065

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 Joshua Ajjarapu's NPI number?

The NPI number for Joshua Ajjarapu is 1841501699. It was assigned to this individual provider in the NPPES registry on June 27, 2010.

Where is Joshua Ajjarapu located?

Joshua Ajjarapu practices at 3 Erie Ct Suite L-700, Oak Park, IL 60302. The listed phone number is (708) 763-1222.

What is Joshua Ajjarapu's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Joshua Ajjarapu enrolled in Medicare?

Yes. Joshua Ajjarapu 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 Joshua Ajjarapu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Ajjarapu reassigns Medicare benefits to Cook Physician Services, P.C. (Evanston, IL). 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 Joshua Ajjarapu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Joshua Ajjarapu affiliated with any hospitals?

According to CMS data, Joshua Ajjarapu is affiliated with Alexian Brothers Medical Center 1 and St Alexius Medical Center.

When was this NPI record last updated?

The NPPES record for Joshua Ajjarapu was last updated on May 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.