Nathaniel Seth Laden, MD, MS - Medicare Thoracic Surgery in Milwaukee, WI

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Nathaniel Seth Laden, MD, MS is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Milwaukee, Wisconsin. He went to University Of Toledo College Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Thoracic Surgery. He is a member of the group practice Aspirus Wausau Hospital Inc and his current practice location is 9200 W Wisconsin Ave, Cardiothoracic Surgery, Milwaukee, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (414) 955-6900.

Nathaniel Seth Laden is licensed to practice in Wisconsin (license number 18081) 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 1356316889.

Contact Information

Nathaniel Seth Laden, MD, MS
9200 W Wisconsin Ave, Cardiothoracic Surgery,
Milwaukee, WI 53226-3522
(414) 955-6900
(414) 955-6204

Map and Direction




Physician's Profile

Full NameNathaniel Seth Laden
GenderMale
SpecialityThoracic Surgery
Experience36 Years
Location9200 W Wisconsin Ave, Milwaukee, 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:
  • Nathaniel Seth Laden attended and graduated from University Of Toledo College Of Medicine in 1988
  NPI Data:
  • NPI Number: 1356316889
  • Provider Enumeration Date: 02/20/2006
  • Last Update Date: 05/02/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 2264442961
  • Enrollment ID: I20160505000910

Medical Identifiers

Medical identifiers for Nathaniel Seth Laden such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356316889NPI-NPPES
2551671OtherOHPARTNERS PHYSICIAN GROUP MEDICAID GROUP #
2097065MedicaidOH
9338635OtherOHPARTNERS PHYSICIAN GROUP MEDICARE GROUP #
1841239274OtherOHPARTNERS PHYSICIAN GROUP TYPE 2 NPI #

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 35.071969L (Ohio)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 18081 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Aspirus Wausau HospitalWausau, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Aspirus Wausau Hospital Inc6406757442161

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. Nathaniel Seth Laden allows following entities to bill medicare on his behalf.
Entity NameAspirus Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669595294
PECOS PAC ID: 1052223625
Enrollment ID: O20031103000267
Entity NameThe Medical College Of Wisconsin Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699720086
PECOS PAC ID: 2668384371
Enrollment ID: O20031120000259
Entity NameAspirus Wausau Hospital Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922321140
PECOS PAC ID: 6406757442
Enrollment ID: O20040114000297

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. Nathaniel Seth Laden 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
Nathaniel Seth Laden, MD, MS
9200 W Wisconsin Ave, Cardiothoracic Surgery,
Milwaukee, WI 53226-3522

Ph: (414) 955-6900		Nathaniel Seth Laden, MD, MS
9200 W Wisconsin Ave, Cardiothoracic Surgery,
Milwaukee, WI 53226-3522

Ph: (414) 955-6900

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Milwaukee, WI

Dr. Austin Lee Rogers, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 8701 Watertown Plank Rd, Milwaukee, WI 53226
Phone: 414-955-6904    
Dr. Viktor Hraska, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 9200 W Wisconsin Ave, Suite 3510, Milwaukee, WI 53226
Phone: 414-805-5701    
H Adam Ubert, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone: 414-955-6900    Fax: 414-955-0079
Mallory Lynn Hunt, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone: 414-955-6900    Fax: 414-955-0079
Mario G Gasparri, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone: 414-955-6000    
Leonard H Kleinman, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 2901 W Kinnickinnic River Pkwy, #310, Milwaukee, WI 53215
Phone: 414-649-3990    Fax: 414-649-3969
Dr. Hossein Almassi, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 9200 W Wisconsin Ave, Cardiothoracic Surgery, Milwaukee, WI 53226
Phone: 414-955-6900    Fax: 414-955-6204

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.