Dr Ireneo Yap Diaz Jr, MD - Medicare Internal Medicine in Battle Creek, MI

Dr Ireneo Yap Diaz Jr, MD is a medicare enrolled "Internal Medicine" physician in Battle Creek, Michigan. His current practice location is 5500 Armstrong Rd, Battle Creek, Michigan. You can reach out to his office (for appointments etc.) via phone at (269) 966-5600.

Dr Ireneo Yap Diaz Jr is licensed to practice in Michigan (license number 4301065745) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1043321409.

Contact Information

Dr Ireneo Yap Diaz Jr, MD
5500 Armstrong Rd,
Battle Creek, MI 49015-1014
(269) 966-5600
(269) 660-6041



Physician's Profile

Full NameDr Ireneo Yap Diaz Jr
GenderMale
SpecialityInternal Medicine
Location5500 Armstrong Rd, Battle Creek, Michigan
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1043321409
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 09/03/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 0941481568
  • Enrollment ID: I20150529002528

Medical Identifiers

Medical identifiers for Dr Ireneo Yap Diaz Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043321409NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease 4301065745 (Michigan)Secondary
207R00000XInternal Medicine 4301065745 (Michigan)Primary

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 Ireneo Yap Diaz Jr 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 AddressPractice Location Address
Dr Ireneo Yap Diaz Jr, MD
5500 Armstrong Rd,
Battle Creek, MI 49037-7314

Ph: (269) 966-5600
Dr Ireneo Yap Diaz Jr, MD
5500 Armstrong Rd,
Battle Creek, MI 49015-1014

Ph: (269) 966-5600

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Internal Medicine Doctors in Battle Creek, MI

Dr. Thomas F. Ignaczak, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 363 Fremont St Ste 203, Battle Creek, MI 49017
Phone: 269-969-6123    Fax: 269-969-6122
Samir Bateriwala, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5500 Armstrong Rd, Battle Creek, MI 49037
Phone: 269-966-5600    
Donald H. Batts, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 363 Fremont St, Suite 305, Battle Creek, MI 49017
Phone: 269-245-8302    Fax: 269-245-8309
Eric John Smith, DO
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 363 Fremont St Ste 100, Battle Creek, MI 49017
Phone: 269-245-5100    
Mrs. Ashley Marie Fugate, FNP-BC
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 181 Emmett St W, Battle Creek, MI 49037
Phone: 269-965-8866    
Shekhar C Thakur, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 231 North Ave, Battle Creek, MI 49017
Phone: 269-565-1111    Fax: 269-565-1900

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