Amber Elaine Williams, FNP
Family Nurse Practitioner · Pomona, CA
Amber Elaine Williams, FNP is a family nurse practitioner with a practice address in Pomona, California, and NPI 1144072711, issued on Apr 4, 2024. Check the license (California 95027785, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amber Elaine Williams
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95027785 CA
Self-reported in NPPES; status is on the state search - Practice location
- 255 E Bonita Ave Ste 100, Pomona, CA 91767
- Phone
- (909) 643-2980
- Enumerated
- Apr 4, 2024
- Record last updated
- Apr 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20240614002573); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Verify Amber Elaine Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95027785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family nurse practitioner in 2024
202 Medicare Part D claims for 128 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Fluticasone Propionate24 claims
- Amoxicillin-Clavulanate Potass19 claims
- Cephalexin19 claims
- Albuterol Sulfate Hfa17 claims
- Azithromycin17 claims
- Prednisone13 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.
Bills Medicare through one group practice
- Mountain View Urgent Care Group IncFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amber Elaine Williams among 16,966 family nurse practitioner records in California
Amber Elaine Williams, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 83% of them.
- NPI issued2024 · 83% of these records are older, 10% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2012 · median 2019 among the 6,793 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
71 family nurse practitioner records list a practice address in Pomona
They are 71 of the 5,102 NPPES records with a practice address in Pomona, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Pomona → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- James Barr, FNPPomona, CA 917671801290481
- Susan Bauerle, FNPPomona, CA 917671518015155
- Ernest Bentum, NPPomona, CA 917671811324320
- Daisy BerganioPomona, CA 917671790175446
- Marianne Carlota, FNPPomona, CA 917671194185413
- Steven Do, FNP-CPomona, CA 917671285005249
- Dinh LaiPomona, CA 917671093123176
- Darlene McPherson-Ventura, FNPPomona, CA 917671235130048
Common questions
What is Amber Elaine Williams, FNP's NPI number?
Amber Elaine Williams, FNP's National Provider Identifier (NPI) is 1144072711, issued on Apr 4, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Amber Elaine Williams, FNP located?
The NPPES record lists a practice address at 255 E Bonita Ave Ste 100, Pomona, CA, 91767. Phone: (909) 643-2980. Providers update this record themselves, so call before visiting.
How can I verify Amber Elaine Williams, FNP's license?
NPPES lists California license number 95027785, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Amber Elaine Williams, FNP prescribe under Medicare Part D?
In 2024, Amber Elaine Williams, FNP had 202 Medicare Part D claims for 128 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.