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MR. MARK L HILLIARD CRNA
NPI 1336147339
Nurse Anesthetist, Certified Registered in West Des Moines, IA

Active since July 13, 2005PECOS EnrolledAccepts Medicare Assignment
5901 WESTOWN PKWY, SUITE 210, WEST DES MOINES, IA 50266(515) 221-9222(515) 221-0575 Get Directions Write a Review

NPPES record last updated: October 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Mark L Hilliard Crna NPPES

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

MR. MARK L HILLIARD CRNA (NPI 1336147339) is an individual nurse anesthetist, certified registered in West Des Moines, Iowa, licensed in Iowa (D090565) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1336147339
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMR. MARK L HILLIARDCredential: CRNA
Location Address5901 WESTOWN PKWY, SUITE 210West Des Moines, IA 50266-8218
Mailing Address5901 Westown Pkwy Ste 210West Des Moines, IA 50266-8297 · (515) 221-9222 · Fax (515) 221-0575
Phone(515) 221-9222
Fax(515) 221-0575
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateJuly 13, 2005
Last NPPES UpdateOctober 5, 2025
NPPES CertifiedOctober 5, 2025
✔ NPI 1336147339 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in IA · D090565
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
5901 WESTOWN PKWY, West Des Moines, IA 50266
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11701 48th St Ste 260West Des Moines, IA 50266-6726 · Phone (515) 401-4774 · Fax (515) 254-3092
Location 21960 SW Magazine RdAnkeny, IA 50023-2978 · Phone (515) 401-4774 · Fax (515) 254-3092

Other Identifiers 3

Medicaid0209593IA
Other50171IA · Wellmark Group #
Other50171IA · Group Medicare Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Mark L Hilliard Crna 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 ID4183758006
PECOS Enrollment IDI20100813001010
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Mark Hilliard reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Metro Anesthesia & Pain Mngmt LLP
Same address
Anesthesiology
5901 WESTOWN PKWY STE 210
West Des Moines, IA 50266
  • Reassigned Medicare billing, Iowa enrollment
  • 34 clinicians in this Medicare group
NPI 1013065747 (515) 221-9222
Ikc, LLC
1.1 mi
Clinic/Center
1701 48TH ST STE 260
West Des Moines, IA 50266
  • Reassigned Medicare billing, Iowa enrollment
  • 21 clinicians in this Medicare group
NPI 1659904803 (515) 401-4774
Broadlawns Medical Center
7.8 mi
General Acute Care Hospital
1801 HICKMAN RD
Des Moines, IA 50314
  • Reassigned Medicare billing, Iowa enrollment
  • 518 clinicians in this Medicare group
NPI 1467447508 (515) 282-2200
Decatur County Hospital
58 mi
Critical Access
1405 NW CHURCH ST
Leon, IA 50144
  • Reassigned Medicare billing, Iowa enrollment
  • 72 clinicians in this Medicare group
NPI 1144209255 (641) 446-4871
Ringgold County Hospital
65 mi
Critical Access
504 N. CLEVELAND ST.
Mount Ayr, IA 50854
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1356490841 (Iowa)
  • 33 clinicians in this Medicare group
NPI 1811046568 (641) 464-3226

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

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.

Office or other outpatient visit for the evaluation and management of an established patient that requires the supervision of a physician or other qualified health care professional and provision of greater than 56 mg esketamine nasal self-administration, G2083
This is a routine office visit for existing patients needing physician supervision for esketamine nasal self-administration, a medication used for certain mental health conditions. More than 56 mg will be administered. The visit includes evaluation and ongoing management of your health.
113 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50266 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

EXCELLENCE IN ADULT HEALTH CARE PC
Internal Medicine
5901 WESTOWN PKWY, SUITE 220
WEST DES MOINES, IA 50266
Dallas County (515) 326-0970
CAROLYN KAY WHITE ARNP
Nurse Anesthetist, Certified Registered
5901 WESTOWN PKWY
WEST DES MOINES, IA 50266
Dallas County (515) 221-9222
DR. DAVID C BALL M.D.
Ophthalmology
5901 WESTOWN PKWY, SUITE 200
W DES MOINES, IA 50266
Dallas County (515) 225-3546
EYE DESIGNS
Eyewear Supplier
5901 WESTOWN PKWY, SUITE 200
W DES MOINES, IA 50266
Dallas County (515) 225-8181
MRS. ANGELA MARIE SADLER CRNA
Nurse Anesthetist, Certified Registered
5901 WESTOWN PKWY, SUITE 210
WEST DES MOINES, IA 50266
Dallas County (515) 221-9222
MR. DONALD F. FRANZEN CRNA
Nurse Anesthetist, Certified Registered
5901 WESTOWN PKWY, SUITE 210
WEST DES MOINES, IA 50266
Dallas County (515) 221-9222
DR. MONIQUE P ROOT O.D.
Optometrist
5901 WESTOWN PKWY, SUITE 200
W DES MOINES, IA 50266
Dallas County (515) 225-3546
GREGGORY CHARLES SUTTON CRNA, DNP
Nurse Anesthetist, Certified Registered
5901 WESTOWN PKWY, SUITE 210
WEST DES MOINES, IA 50266
Dallas County (515) 221-9222

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 Hilliard's NPI number?

The NPI number for Mark Hilliard is 1336147339. It was assigned to this individual provider in the NPPES registry on July 13, 2005.

Where is Mark Hilliard located?

Mark Hilliard practices at 5901 Westown Pkwy Suite 210, West Des Moines, IA 50266. The listed phone number is (515) 221-9222.

What is Mark Hilliard's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Mark Hilliard enrolled in Medicare?

Yes. Mark Hilliard 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.

Which organizations bill Medicare for Mark Hilliard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Hilliard reassigns Medicare benefits to 5 organizations: Metro Anesthesia & Pain Mngmt LLP (West Des Moines, IA), Ikc, LLC (West Des Moines, IA), Broadlawns Medical Center (Des Moines, IA), Decatur County Hospital (Leon, IA) and Ringgold County Hospital (Mount Ayr, IA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Hilliard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Hilliard accept?

Health plans from Oscar Health, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Mark Hilliard 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 Hilliard was last updated on October 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.