DR. WILLIAM K MAYFIELD MD
NPI 1619974284
Obstetrics & Gynecology in Vincennes, IN

Active since June 28, 2005PECOS Enrolled
97.58/100
CMS Quality Rating
700 WILLOW ST STE 203, VINCENNES, IN 47591(812) 882-1000(812) 885-1004 Get Directions Write a Review

NPPES record last updated: April 8, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 8, 2025, Apr 11, 2024, Aug 19, 2021 (3 updates tracked since 2021).

About Dr. William K Mayfield Md NPPES

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

DR. WILLIAM K MAYFIELD MD (NPI 1619974284) is an individual obstetrics & gynecology provider in Vincennes, Indiana, licensed in Indiana (01036429A) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Vincennes.

NPPES Registry Identity

NPI1619974284
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. WILLIAM K MAYFIELDCredential: MD
Location Address700 WILLOW ST STE 203Vincennes, IN 47591-1029
Mailing Address1160 E Saint Clair StVincennes, IN 47591-4853 · (812) 885-3325 · Fax (128) 858-9878
Fax(812) 885-1004
Sole ProprietorNo
Enumeration DateJune 28, 2005
Last NPPES UpdateApril 8, 20253 updates tracked since enumeration
NPPES CertifiedApril 8, 2025
NPI 1619974284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in IN · 01036429A
Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedSpecialistTaxonomy 174400000X
700 WILLOW ST STE 203, Vincennes, IN 47591

Secondary Practice Location 1

Location 1520 S 7th StVincennes, IN 47591-1038 · Phone (812) 882-5220

Other Identifiers 2

Other000000350322Anthem
Medicaid200040760AIN

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 (PECOS)

Dr. William K Mayfield Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 3

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.

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.
30 services19 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
22 services22 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
18 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 47591 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 4

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

Nurse Practitioner (Family)
700 WILLOW ST STE 203
VINCENNES, IN 47591
Obstetrics & Gynecology (Obstetrics)
700 WILLOW ST STE 203
VINCENNES, IN 47591
Neurological Surgery
700 WILLOW ST STE 203
VINCENNES, IN 47591
Obstetrics & Gynecology (Obstetrics)
700 WILLOW ST STE 203
VINCENNES, IN 47591

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 William Mayfield's NPI number?

The NPI number for William Mayfield is 1619974284. It was assigned to this individual provider in the NPPES registry on June 28, 2005.

Where is William Mayfield located?

William Mayfield practices at 700 Willow St Ste 203, Vincennes, IN 47591. The listed phone number is (812) 882-1000.

What is William Mayfield's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is William Mayfield enrolled in Medicare?

Yes. William Mayfield is registered in the Medicare PECOS enrollment system.

What insurance does William Mayfield accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list William Mayfield 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 William Mayfield was last updated on April 8, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.