Mark John Van Ess, DO - Medicare Otolaryngology in Springfield, MO

Mark John Van Ess, DO is a medicare enrolled "Otolaryngology - Otology & Neurotology" physician in Springfield, Missouri. He graduated from medical school in 2003 and has 21 years of diverse experience with area of expertise as Otolaryngology. He is a member of the group practice Mercy Clinic Springfield Communities and his current practice location is 1229 E Seminole St Ste 520, Springfield, Missouri. You can reach out to his office (for appointments etc.) via phone at (417) 820-5750.

Mark John Van Ess is licensed to practice in Missouri (license number 2009014117) 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 1841404613.

Contact Information

Mark John Van Ess, DO
1229 E Seminole St Ste 520,
Springfield, MO 65804-2227
(417) 820-5750
(417) 820-5066

Map and Direction




Physician's Profile

Full NameMark John Van Ess
GenderMale
SpecialityOtolaryngology
Experience21 Years
Location1229 E Seminole St Ste 520, Springfield, Missouri
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:
  • Mark John Van Ess graduated from medical school in 2003
  NPI Data:
  • NPI Number: 1841404613
  • Provider Enumeration Date: 05/10/2007
  • Last Update Date: 08/04/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 7214096882
  • Enrollment ID: I20090909000052

Medical Identifiers

Medical identifiers for Mark John Van Ess such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841404613NPI-NPPES
1841404613MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207YX0901XOtolaryngology - Otology & Neurotology 2009014117 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Hospital SpringfieldSpringfield, MOHospital
Mercy Hospital JoplinJoplin, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Clinic Springfield Communities7416865845933

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. Mark John Van Ess allows following entities to bill medicare on his behalf.
Entity NameMercy Clinic Springfield Communities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245277631
PECOS PAC ID: 7416865845
Enrollment ID: O20031104000060

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. Mark John Van Ess 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
Mark John Van Ess, DO
1229 E Seminole St Ste 520,
Springfield, MO 65804-2227

Ph: (417) 820-5750
Mark John Van Ess, DO
1229 E Seminole St Ste 520,
Springfield, MO 65804-2227

Ph: (417) 820-5750

Reviews and Comments


Otolaryngology Doctors in Springfield, MO

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Dr. Erich Mertensmeyer, D.O.
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Dr. Allan L. Allphin, MD
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Practice Location: 1229 E Seminole St, Springfield, MO 65804
Phone: 417-820-5750    Fax: 417-820-5066

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.