Dr Andrew Mel Diaz, DO in Huntley, IL

Dr Andrew Mel Diaz, DO is a medicare enrolled "Internal Medicine" physician in Huntley, Illinois. He went to At Still University Of Health Sciences, College Of Osteo Med, Kirksville and graduated in 2020 and has 6 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Northwestern Medical Faculty Foundation and his current practice location is 10400 Haligus Rd, Huntley, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 759-4323.

Dr Andrew Mel Diaz is licensed to practice in Illinois (license number 036164669) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1255951786.

Contact Information

	Dr Andrew Mel Diaz, DO
	10400 Haligus Rd, Huntley, IL 60142-9553
	(815) 759-4323
	(815) 759-4948

Map and Direction

Physician's Profile

Full Name	Dr Andrew Mel Diaz
Gender	Male
Speciality	Hospitalist
Experience	6 Years
Location	10400 Haligus Rd, Huntley, Illinois
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Andrew Mel Diaz attended and graduated from At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 2020

NPI Data:

NPI Number: 1255951786
Provider Enumeration Date: 04/24/2020
Last Update Date: 04/16/2026

Medicare PECOS Information:

PECOS PAC ID: 9234557877
Enrollment ID: I20230828002887

Medical Identifiers

Medical identifiers for Dr Andrew Mel Diaz such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1255951786	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	036164669 (Illinois)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Northwestern Medicine Mchenry Hospital	Mchenry, IL	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Northwestern Medical Faculty Foundation	4587576814	4367

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Andrew Mel Diaz allows following entities to bill medicare on his behalf.

Entity Name	Northwestern Medical Faculty Foundation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1346235314 PECOS PAC ID: 4587576814 Enrollment ID: O20031105000541

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Andrew Mel Diaz is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr Andrew Mel Diaz, DO 530 Ne Glen Oak Ave Bldg 5676, Peoria, IL 61637-0001 Ph: (309) 624-9351	Dr Andrew Mel Diaz, DO 10400 Haligus Rd, Huntley, IL 60142-9553 Ph: (815) 759-4323

Reviews and Comments

Internal Medicine Doctors in Huntley, IL

Aleksander Tartakovsky, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 10400 Haligus Rd, Huntley, IL 60142 Phone: 224-654-0000
Dr. Mehnaz Imran, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 10400 Haligus Rd Fl 2, Huntley, IL 60142 Phone: 815-759-4323 Fax: 815-759-4948
Dr. Mandeep S Gill, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 10370 Haligus Rd Ste 103, Huntley, IL 60142 Phone: 847-531-5911
Sandra Schroder, Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 12151 Regency Pkwy Ste 12165, Huntley, IL 60142 Phone: 847-230-9808 Fax: 847-984-1915
Dr. Shazia Daudi, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 12151 Regency Pkwy Ste 12165, Huntley, IL 60142 Phone: 847-230-9808 Fax: 847-984-1915
Sarah Khan, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 10350 Haligus Rd Ste 120, Huntley, IL 60142 Phone: 847-802-7480 Fax: 847-802-7485
Kumar Nathan, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 10400 Haligus Rd, Huntley, IL 60142 Phone: 815-759-4520 Fax: 815-338-6297

Dr Andrew Mel Diaz, DO - Medicare Hospitalist in Huntley, IL