Lewis A Sierra, MD - Internal Medicine in Fond Du Lac, WI

Lewis A Sierra, MD is a Internal Medicine physician based in Fond Du Lac, Wisconsin. Lewis A Sierra is licensed to practice in Wisconsin (license number 26876) and his current practice location is 145 N Main St, Fond Du Lac, Wisconsin. He can be reached at his office (for appointments etc.) via phone at (920) 926-8492.

NPI number for Lewis A Sierra is 1346222023 and his current mailing address is 420 E Division St, Fond Du Lac, Wisconsin. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1346222023.

Contact Information

Lewis A Sierra, MD
145 N Main St,
Fond Du Lac, WI 54935-3423
(920) 926-8492
Not Available



Physician's Profile

Full NameLewis A Sierra
GenderMale
SpecialityInternal Medicine
Location145 N Main St, Fond Du Lac, Wisconsin
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1346222023
  • Provider Enumeration Date: 11/17/2005
  • Last Update Date: 04/09/2010

Medical Identifiers

Medical identifiers for Lewis A Sierra such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346222023NPI-NPPES
13288OtherWVDEAN
930118899OtherWIRAILROAD MEDICARE
30649400MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 26876 (Wisconsin)Secondary
207R00000XInternal Medicine 26876 (Wisconsin)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. Lewis A Sierra is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Lewis A Sierra, MD
420 E Division St,
Fond Du Lac, WI 54935-4560

Ph: (920) 926-8340
Lewis A Sierra, MD
145 N Main St,
Fond Du Lac, WI 54935-3423

Ph: (920) 926-8492

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› Verified 9 days ago


Internal Medicine Doctors in Fond Du Lac, WI

Balvindar S Sareen, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 430 E Division St, Fond Du Lac, WI 54935
Phone: 315-637-7800    Fax: 315-637-7808
Allen C. Foster, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 430 E Division St, Fond Du Lac, WI 54935
Phone: 715-235-5531    Fax: 715-233-7645
Jay R Muller, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 420 E Division St, Fond Du Lac, WI 54935
Phone: 920-926-8420    Fax: 920-926-8913
Dana I Vasquez, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 420 E Division St, Fond Du Lac, WI 54935
Phone: 920-926-8420    
Adam P Karewicz, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 420 E Division St, Fond Du Lac, WI 54935
Phone: 920-926-8420    
Punit Kumar, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 420 E Division St, Fond Du Lac Regional Clinic, Fond Du Lac, WI 54935
Phone: 920-926-8420    
Dr. Steven Gregory Meress, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 180 Knights Way, Fond Du Lac, WI 54935
Phone: 920-922-5433    Fax: 920-273-0480

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