DR. JONATHAN RANDALL WILLMS D.O.
NPI 1891010658
Obstetrics & Gynecology in Casa Grande, AZ

Q: What is Jonathan Willms's NPI number?

The NPI number for Jonathan Willms is 1891010658. It was assigned to this individual provider in the NPPES registry on April 5, 2010.

Q: What is Jonathan Willms's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jonathan Willms was last updated on December 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 05, 2010PECOS EnrolledAccepts Medicare Assignment

580 N CAMINO MERCADO STE 8, CASA GRANDE, AZ 85122(520) 381-0380(520) 836-1826 Get Directions Write a Review

NPPES record last updated: December 2, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 2, 2021, Jun 15, 2017 (2 updates tracked since 2017).

On this page

About Dr. Jonathan Randall Willms D.o. NPPES

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

DR. JONATHAN RANDALL WILLMS D.O. (NPI 1891010658) is an individual obstetrics & gynecology provider in Casa Grande, Arizona, licensed in Arizona (006349) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Casa Grande, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1891010658

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameDR. JONATHAN RANDALL WILLMSCredential: D.O.

Location Address580 N CAMINO MERCADO STE 8Casa Grande, AZ 85122-5757

Mailing AddressPo Box 10097Casa Grande, AZ 85130-0020 · (520) 381-0380 · Fax (520) 836-1826

Phone(520) 381-0380

Fax(520) 836-1826

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateApril 5, 2010

Last NPPES UpdateDecember 2, 20212 updates tracked since enumeration

NPPES CertifiedDecember 2, 2021

✔ NPI 1891010658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in AZ · 006349

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.

580 N CAMINO MERCADO STE 8, Casa Grande, AZ 85122

Open in Google Maps ↗

Secondary Practice Location 1

Location 11864 E Florence BlvdCasa Grande, AZ 85122-5457 · Phone (520) 381-0380 · Fax (520) 836-1826

Other Identifiers 6

Other031916AZ · Medicare

OtherZFQ31815AZ · Medicare

Medicaid901786AZ

Other031815AZ · Medicare

Other006349AZ · Medical License

OtherZ165308AZ · Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona and more.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. Jonathan Randall Willms D.o. 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 ID3072739044

PECOS Enrollment IDI20140728002044

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

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.

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

35 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85122 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

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 12

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

MELISSA MARIE ANDERSSON CNM

Advanced Practice Midwife