DIANE MARIE WILLMAN PA
NPI 1821022195
Physician Assistant in Lansing, MI

Active since July 10, 2006PECOS EnrolledAccepts Medicare Assignment
401 W GREENLAWN AVE, LANSING, MI 48910(517) 975-9500(517) 975-9511 Get Directions Write a Review

NPPES record last updated: June 8, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Diane Marie Willman Pa NPPES

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

DIANE MARIE WILLMAN PA (NPI 1821022195) is an individual physician assistant in Lansing, Michigan, licensed in Michigan (5601003309) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1821022195
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameDIANE MARIE WILLMANCredential: PA
Location Address401 W GREENLAWN AVELansing, MI 48910-2819
Mailing Address804 Service Rd, A201East Lansing, MI 48824-7015 · (517) 884-2976 · Fax (517) 432-3928
Fax(517) 975-9511
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJuly 10, 2006
Last NPPES UpdateJune 8, 2016
NPI 1821022195 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in MI · 5601003309
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
401 W GREENLAWN AVE, Lansing, MI 48910

Other Identifiers 5

Medicare PINP00717016MI
Medicare PINP14270002MI
Medicare PIN0M61830060MI
Medicaid1821022195MI
Medicare UPINP32758MI

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

Diane Marie Willman Pa 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 ID7517996614
PECOS Enrollment IDI20050809000825
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48910 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

Nurse Anesthetist, Certified Registered
401 W GREENLAWN AVE
LANSING, MI 48910
Nurse Anesthetist, Certified Registered
401 W GREENLAWN AVE
LANSING, MI 48910
Nurse Anesthetist, Certified Registered
401 W GREENLAWN AVE
LANSING, MI 48910
Hospitalist
401 W GREENLAWN AVE
LANSING, MI 48910
Nurse Anesthetist, Certified Registered
401 W GREENLAWN AVE
LANSING, MI 48910
Anesthesiology
401 W GREENLAWN AVE
LANSING, MI 48910
Nurse Anesthetist, Certified Registered
401 W GREENLAWN AVE
LANSING, MI 48910
Nurse Anesthetist, Certified Registered
401 W GREENLAWN AVE
LANSING, MI 48910

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 Diane Willman's NPI number?

The NPI number for Diane Willman is 1821022195. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Where is Diane Willman located?

Diane Willman practices at 401 W Greenlawn Ave, Lansing, MI 48910. The listed phone number is (517) 975-9500.

What is Diane Willman's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Diane Willman enrolled in Medicare?

Yes. Diane Willman 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 Diane Willman accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Diane Willman 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 Diane Willman was last updated on June 8, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.