DR. MARK LEWIS VANDEWALKER M.D.
NPI 1386833358
Allergy & Immunology - Allergy in Columbia, MO

Active since October 16, 2007PECOS EnrolledAccepts Medicare Assignment
601 W NIFONG BLVD, SUITE 2B, COLUMBIA, MO 65203(573) 446-7000(573) 445-1000 Get Directions Write a Review

NPPES record last updated: October 16, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mark Lewis Vandewalker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK LEWIS VANDEWALKER M.D. (NPI 1386833358) is an individual allergy provider in Columbia, Missouri, licensed in Missouri (R2F17) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (1974).

NPPES Registry Identity

NPI1386833358
Entity TypeIndividualMale
Primary Taxonomy207KA0200X
Provider Legal NameDR. MARK LEWIS VANDEWALKERCredential: M.D.
Location Address601 W NIFONG BLVD, SUITE 2BColumbia, MO 65203-6804
Mailing Address601 W Nifong Blvd, Suite 2bColumbia, MO 65203-6804 · (573) 446-7000 · Fax (573) 445-1000
Fax(573) 445-1000
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 1974
Enumeration DateOctober 16, 2007
NPI 1386833358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License Licensed in MO · R2F17
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
601 W NIFONG BLVD, Columbia, MO 65203

Other Identifiers 1

Medicare UPINE38022MO

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Lewis Vandewalker M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2062536337
PECOS Enrollment IDI20100824000793
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
2,880 services159 patients
Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
2,459 services66 patients
Professional service for single injection of allergen 95115
A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.
1,846 services95 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
250 services17 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
109 services105 patients
Test to measure rate of airflow 94375
This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.
47 services46 patients

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
2 suppliers20 claims20 services$7.02 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Professional)
601 W NIFONG BLVD, BLDG. 5A
COLUMBIA, MO 65203
Counselor
601 W NIFONG BLVD, BLDG 5A
COLUMBIA, MO 65203
Dentist
601 W NIFONG BLVD, STE 3A
COLUMBIA, MO 65203
Dentist
601 W NIFONG BLVD, SUITE 3A
COLUMBIA, MO 65203
Counselor
601 W NIFONG BLVD, 5A-12
COLUMBIA, MO 65203
Nurse Practitioner (Psychiatric/Mental Health)
601 W NIFONG BLVD, STE. 6A
COLUMBIA, MO 65203
Social Worker (Clinical)
601 W NIFONG BLVD, BLDG. 5A
COLUMBIA, MO 65203
Pharmacy
601 W NIFONG BLVD, BLDG. 6C, SUITE 11
COLUMBIA, MO 65203

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Vandewalker's NPI number?

The NPI number for Mark Vandewalker is 1386833358. It was assigned to this individual provider in the NPPES registry on October 16, 2007.

Where is Mark Vandewalker located?

Mark Vandewalker practices at 601 W Nifong Blvd Suite 2B, Columbia, MO 65203. The listed phone number is (573) 446-7000.

What is Mark Vandewalker's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Mark Vandewalker enrolled in Medicare?

Yes. Mark Vandewalker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Vandewalker accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 3 other insurers list Mark Vandewalker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Vandewalker was last updated on October 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.