Dr Spencer Wolf Greaves, MD - Medicare Emergency Medicine in Waupaca, WI

Dr Spencer Wolf Greaves, MD is a medicare enrolled "Emergency Medicine" physician in Waupaca, Wisconsin. He went to Medical College Of Wisconsin and graduated in 2018 and has 6 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice St Josephs Hospital Of The Hospital Sisters Of The Third Order Of St F and his current practice location is 800 Riverside Dr, Waupaca, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (715) 258-1000.

Dr Spencer Wolf Greaves is licensed to practice in Wisconsin (license number 76902-20) 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 1457844102.

Contact Information

Dr Spencer Wolf Greaves, MD
800 Riverside Dr,
Waupaca, WI 54981-1943
(715) 258-1000
Not Available

Map and Direction




Physician's Profile

Full NameDr Spencer Wolf Greaves
GenderMale
SpecialityEmergency Medicine
Experience6 Years
Location800 Riverside Dr, Waupaca, 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 Spencer Wolf Greaves attended and graduated from Medical College Of Wisconsin in 2018
  NPI Data:
  • NPI Number: 1457844102
  • Provider Enumeration Date: 06/07/2018
  • Last Update Date: 04/30/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 6901284074
  • Enrollment ID: I20220601001408

Medical Identifiers

Medical identifiers for Dr Spencer Wolf Greaves such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457844102NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 76902-20 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sacred Heart HospitalEau claire, WIHospital
Thedacare Medical Center-waupacaWaupaca, WIHospital
Thedacare Medical Center - ShawanoShawano, WIHospital
St Joseph's HospitalChippewa falls, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
St Josephs Hospital Of The Hospital Sisters Of The Third Order Of St F387048859615

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 Spencer Wolf Greaves allows following entities to bill medicare on his behalf.
Entity NameThedacare Medical Center - Shawano, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548260839
PECOS PAC ID: 5890605836
Enrollment ID: O20031117000117
Entity NameThedacare Medical Center - Berlin Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760413777
PECOS PAC ID: 0446151666
Enrollment ID: O20040120000214
Entity NameSt Josephs Hospital Of The Hospital Sisters Of The Third Order Of St F
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164429908
PECOS PAC ID: 3870488596
Enrollment ID: O20040220000036
Entity NameThedacare Medical Center - New London, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538127220
PECOS PAC ID: 5698664480
Enrollment ID: O20040311000254
Entity NameThedacare Medical Center - Waupaca, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780782680
PECOS PAC ID: 3072504216
Enrollment ID: O20040524000645
Entity NameThedacare Medical Center - Wild Rose, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043263999
PECOS PAC ID: 6507840923
Enrollment ID: O20040615000235
Entity NameIhc-beaver Dam Emergency Physicians, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912109836
PECOS PAC ID: 8123129657
Enrollment ID: O20070727000027

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 Spencer Wolf Greaves 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 Spencer Wolf Greaves, MD
3 Neenah Ctr,
Neenah, WI 54956-3070

Ph: (715) 258-1000
Dr Spencer Wolf Greaves, MD
800 Riverside Dr,
Waupaca, WI 54981-1943

Ph: (715) 258-1000

Reviews and Comments


Emergency Medicine Doctors in Waupaca, WI

Dr. Logan Robert Gorges, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 800 Riverside Dr, Waupaca, WI 54981
Phone: 715-258-1000    Fax: 715-258-1042
Dr. Amy T Kenworthy, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 800 Riverside Dr, Waupaca, WI 54981
Phone: 715-258-1000    
Francesca L Detrana, DO
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 800 Riverside Dr, Waupaca, WI 54981
Phone: 715-258-1000    Fax: 715-258-1632
Dr. Matthew Paul Nelson, D.O.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 800 Riverside Dr, Waupaca, WI 54981
Phone: 715-258-1000    
Dr. Dennis D Ford, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 800 Riverside Dr, Waupaca, WI 54981
Phone: 715-258-1000    
Dr. Charles Conger, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 800 Riverside Dr, Waupaca, WI 54981
Phone: 715-258-1041    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.