Grace Michelle Niles, FNP-C
Family Nurse Practitioner · Orange, CA
Grace Michelle Niles, FNP-C is a family nurse practitioner with a practice address in Orange, California, and NPI 1578009528, issued on Jan 16, 2017. Check the license (California 95005454, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grace Michelle Niles
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 95005454 CA
22099 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1100 W Town And Country RD Ste 1600, Orange, CA 92868
- Phone
- (833) 413-9745
- Enumerated
- Jan 16, 2017
- Record last updated
- Mar 2, 2023
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 1100 W Town And Country RD Ste 1600
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Grace Michelle Niles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95005454Check 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
192 Medicare Part D claims for 64 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa25 claims
- Sertraline Hcl12 claims
- Omeprazole11 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.
Grace Michelle Niles among 16,966 family nurse practitioner records in California
Grace Michelle Niles, FNP-C 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 2017, is newer than 40% of them.
- NPI issued2017 · 40% of these records are older, 55% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2023 · 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).
137 family nurse practitioner records list a practice address in Orange
They are 137 of the 13,245 NPPES records with a practice address in Orange, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Orange → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Christine Betzold, FNPOrange, CA 928681942284906
- Julia Burton, NPOrange, CA 928681780912782
- Margaret Delmastro, RNPOrange, CA 928681043533110
- Geraldina Douglas, NPOrange, CA 928681598965741
- Erin Finston, FNP-COrange, CA 928681538375829
- Janett Hildebrand, NPOrange, CA 928681861585143
- Ann Marie Keefer-Lynch, NPOrange, CA 928681316038656
- Rosemary Le, NPOrange, CA 928681962545707
Common questions
What is Grace Michelle Niles, FNP-C's NPI number?
Grace Michelle Niles, FNP-C's National Provider Identifier (NPI) is 1578009528, issued on Jan 16, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Grace Michelle Niles, FNP-C located?
The NPPES record lists a practice address at 1100 W Town And Country RD Ste 1600, Orange, CA, 92868. Phone: (833) 413-9745. Providers update this record themselves, so call before visiting.
How can I verify Grace Michelle Niles, FNP-C's license?
NPPES lists California license number 95005454, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Grace Michelle Niles, FNP-C prescribe under Medicare Part D?
In 2024, Grace Michelle Niles, FNP-C had 192 Medicare Part D claims for 64 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.