Dr Carlos S Castillo, MD - Medicare Psychiatry in Green Bay, WI

Dr Carlos S Castillo, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Green Bay, Wisconsin. He graduated from medical school in 1979 and has 45 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice Northwest Iowa Mental Health Center and his current practice location is 301 E Saint Joseph St, Green Bay, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (920) 433-3630.

Dr Carlos S Castillo is licensed to practice in Wisconsin (license number 49029) 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 1659358620.

Contact Information

Dr Carlos S Castillo, MD
301 E Saint Joseph St,
Green Bay, WI 54301-2241
(920) 433-3630
Not Available

Map and Direction




Physician's Profile

Full NameDr Carlos S Castillo
GenderMale
SpecialityPsychiatry
Experience45 Years
Location301 E Saint Joseph St, Green Bay, Wisconsin
Accepts Medicare AssignmentsYes. 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 Carlos S Castillo graduated from medical school in 1979
  NPI Data:
  • NPI Number: 1659358620
  • Provider Enumeration Date: 12/29/2005
  • Last Update Date: 10/17/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 2062486293
  • Enrollment ID: I20060228000773

Medical Identifiers

Medical identifiers for Dr Carlos S Castillo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659358620NPI-NPPES
34832500OtherWIWISCONSIN MEDICAID

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 49029 (Wisconsin)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northwest Iowa Mental Health Center620473045010

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 Carlos S Castillo allows following entities to bill medicare on his behalf.
Entity NameNorthwest Iowa Mental Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689669459
PECOS PAC ID: 6204730450
Enrollment ID: O20031120000546

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 Carlos S Castillo 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 Carlos S Castillo, MD
301 E Saint Joseph St,
Green Bay, WI 54301-2241

Ph: (920) 433-3630
Dr Carlos S Castillo, MD
301 E Saint Joseph St,
Green Bay, WI 54301-2241

Ph: (920) 433-3630

Reviews and Comments


Psychiatry & Neurology Doctors in Green Bay, WI

Dr. Emily R Rademacher, D.O., M.B.A.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 301 E Saint Joseph St, Green Bay, WI 54301
Phone: 920-433-3630    Fax: 920-437-0533
Dr. George D Soncrant, DO
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 3000 Riverside Dr, Suite 180, Green Bay, WI 54301
Phone: 920-632-7040    Fax: 920-632-7262
Dr. Aubree Rae Bruhnding, DO
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 725 S Webster Ave Ste 201, Green Bay, WI 54301
Phone: 920-430-7100    Fax: 920-430-7114
John Christopher Charles, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 301 E Saint Joseph St, Green Bay, WI 54301
Phone: 920-433-6073    
Dr. David K Kaufman, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 725 S Webster Ave, Suite 201, Green Bay, WI 54301
Phone: 920-430-7100    Fax: 920-430-7114
Dr. Anne Marie Wannamaker, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 301 E Saint Joseph St, Green Bay, WI 54301
Phone: 920-433-3630    Fax: 920-431-0333
Kevin Michael Hansen, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 2851 University Ave, Green Bay, WI 54311
Phone: 920-265-9687    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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