MR. WILLIAM STEPHEN FORNESS FNP-C
NPI 1386237097
Family Medicine in Saint Louis, MO

Q: What is William Forness's NPI number?

The NPI number for William Forness is 1386237097. It was assigned to this individual provider in the NPPES registry on February 12, 2021.

Q: What is William Forness's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for William Forness was last updated on February 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 February 12, 2021PECOS EnrolledAccepts Medicare Assignment

621 S NEW BALLAS RD STE 560A, SAINT LOUIS, MO 63141(314) 251-6440(314) 251-4456 Get Directions Write a Review

NPPES record last updated: February 12, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mr. William Stephen Forness Fnp-c NPPES

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

MR. WILLIAM STEPHEN FORNESS FNP-C (NPI 1386237097) is an individual family medicine provider in Saint Louis, Missouri, licensed in Missouri (F09191408) and active in the NPI registry since February 2021. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1386237097

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameMR. WILLIAM STEPHEN FORNESSCredential: FNP-C

Location Address621 S NEW BALLAS RD STE 560ASaint Louis, MO 63141-8261

Mailing Address1343 Flintshire LnLake St Louis, MO 63367-1947 · (314) 517-1366

Phone(314) 251-6440

Fax(314) 251-4456

Sole ProprietorYes

Medical School CMSOtherGraduated 2016

Enumeration DateFebruary 12, 2021

NPPES CertifiedFebruary 10, 2021

✔ NPI 1386237097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in MO · F09191408

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

621 S NEW BALLAS RD STE 560A, Saint Louis, MO 63141

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.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

Mr. William Stephen Forness Fnp-c 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 ID3375950009

PECOS Enrollment IDI20210325001096

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260020

Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$98.37 typical visit price

range $17.76 – $137.92

Typical copayment $24.59 (range $4.44 – $34.48)

Most-billed visit code 99214

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.

PAIGE NICOLE PONTICELLO MSN, FNP-C

Nurse Practitioner (Family)