William L Underwood, MD - Anesthesiology in Crystal City, MO

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William L Underwood, MD is a Anesthesiology physician based in Crystal City, Missouri. William L Underwood is licensed to practice in Missouri (license number 2003024400) and his current practice location is Hwy 61s At Hwy 67, Crystal City, Missouri. He can be reached at his office (for appointments etc.) via phone at (636) 933-1000.

NPI number for William L Underwood is 1639120082 and his current mailing address is 4 Woodchase Dr, Farmington, Missouri. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1639120082.

Contact Information

William L Underwood, MD
Hwy 61s At Hwy 67,
Crystal City, MO 63019
(636) 933-1000
Not Available

Map and Direction




Physician's Profile

Full NameWilliam L Underwood
GenderMale
SpecialityAnesthesiology
LocationHwy 61s At Hwy 67, Crystal City, Missouri
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1639120082
  • Provider Enumeration Date: 05/12/2006
  • Last Update Date: 03/07/2023

Medical Identifiers

Medical identifiers for William L Underwood such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639120082NPI-NPPES
298156053OtherMOCDS
208831420MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 2003024400 (Missouri)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. William L Underwood 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
William L Underwood, MD
4 Woodchase Dr,
Farmington, MO 63640-1434

Ph: (636) 933-1000		William L Underwood, MD
Hwy 61s At Hwy 67,
Crystal City, MO 63019

Ph: (636) 933-1000

Reviews and Comments


Anesthesiology Doctors in Crystal City, MO

Rodolfo Maceren, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: Hwy 61s At Hwy 67, Crystal City, MO 63019
Phone: 636-933-1000    

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.