William Forness, FNP-C
Family Medicine Physician · Saint Louis, MO
William Forness, FNP-C is a family medicine physician with a practice address in Saint Louis, Missouri, and NPI 1386237097, issued on Feb 12, 2021. Check the license (Missouri F09191408, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William Forness
- Credential
- FNP-C
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- F09191408 MO
Self-reported in NPPES; status is on the state search - Practice location
- 621 S New Ballas RD Ste 560A, Saint Louis, MO 63141
- Phone
- (314) 251-6440
- Enumerated
- Feb 12, 2021
- Entity
- Type 1 · individual
Also registered at 621 S New Ballas RD Ste 560A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Loren Bach, M.D.Surgery Physician1205279650
- Mary Bordner, ACNPAcute Care Nurse Practitioner1437526126
- Ea-Sle Chang, M.D.Surgery Physician1932582061
- Rachel Cohen, DOTrauma Surgery Physician1700443967
- Maria Colletta, MSN, AGACNP-BCAcute Care Nurse Practitioner1780418707
- Gina Davis, DOStudent in an Organized Health Care Education/Training Program1669865861
Verify William Forness in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license F09191408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
12 Medicare Part D claims, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $15.62
1 payment, mostly food and beverage; the largest payer was Smith+Nephew, Inc.. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Mercy Clinic Trauma And General Surgery LLCSaint Louis, MO
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
321 family medicine physician records list a Saint Louis practice address
They are 321 of the 27,605 NPPES records with a Saint Louis practice address, and 2,920 family medicine physician records in Missouri.
All 321 in Saint Louis → All 2,920 in Missouri → Every provider in Saint Louis →
Other family medicine physician records in Missouri
- Mohammad Abbas, DOKirksville, MO1518537679
- Karam Abdelmasih, MD, APFestus, MO1093288508
- Afsheen Abdullah Patel, MDLees Summit, MO1598070377
- Christopher Abercrombie, DOArnold, MO1093787558
- Avery Abernathy, D.O.Kansas City, MO1013207836
- Kristia Abernathy, MDSaint Louis, MO1710545405
- Grant Abkemeier, DOColumbia, MO1922933712
- Beatrice Abraham, DOLebanon, MO1861056004
- John Abraham, M.D.Springfield, MO1760595136
- Samer Abu-Amer, M.D.Independence, MO1154880474
Common questions
What is William Forness, FNP-C's NPI number?
William Forness, FNP-C's National Provider Identifier (NPI) is 1386237097, issued on Feb 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Forness, FNP-C located?
The NPPES record lists a practice address at 621 S New Ballas RD Ste 560A, Saint Louis, MO, 63141. Phone: (314) 251-6440. Providers update this record themselves, so call before visiting.
How can I verify William Forness, FNP-C's license?
NPPES lists Missouri license number F09191408, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Forness, FNP-C prescribe under Medicare Part D?
In 2024, William Forness, FNP-C had 12 Medicare Part D claims; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.