Margaret L. McLain, NP-C
Family Nurse Practitioner · Orange, CA
Margaret L. McLain, NP-C is a family nurse practitioner with a practice address in Orange, California, and NPI 1578601282, issued on Feb 2, 2007. Check the license (California 95028774, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret L. McLain
- Credential
- NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 95028774 CA
NP-784A ID
NP784A ID
201603073NP-PP OR
Self-reported in NPPES; status is on the state search - Practice location
- 2901 E Katella Ave, Orange, CA 92867
- Phone
- (949) 209-5775
- Enumerated
- Feb 2, 2007
- Record last updated
- Feb 20, 2026
- Fax
- (949) 209-5542
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 2901 E Katella Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margaret L. McLain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95028774Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average family nurse practitioner in 2024
786 Medicare Part D claims for 202 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Metoprolol Succinate93 claims
- Eliquis91 claims
- Atorvastatin Calcium48 claims
- Amiodarone Hcl36 claims
- Losartan Potassium36 claims
- Ranolazine Er36 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,461.87
44 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 99,489 providers of this specialty with any payment received $650.95 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.
Margaret L. McLain among 16,966 family nurse practitioner records in California
Margaret L. McLain, NP-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 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 87% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2026 · 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
- Krishna Chowdhury, NPOrange, CA 928671912251307
- Alyssa Fessler, FNPOrange, CA 928671538880042
- Amber Garcia, NPOrange, CA 928671912745696
- Doris HudsonOrange, CA 928671487381786
- Jennifer Mandhai, FNPOrange, CA 928671134686207
- Marsha-Gail McDonald, FNP-BCOrange, CA 928671023546579
- Jill SheltonOrange, CA 928671871632455
- Denise Weinberg, N.P.Orange, CA 928671568924793
Common questions
What is Margaret L. McLain, NP-C's NPI number?
Margaret L. McLain, NP-C's National Provider Identifier (NPI) is 1578601282, issued on Feb 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret L. McLain, NP-C located?
The NPPES record lists a practice address at 2901 E Katella Ave, Orange, CA, 92867. Phone: (949) 209-5775. Providers update this record themselves, so call before visiting.
How can I verify Margaret L. McLain, NP-C's license?
NPPES lists California license number 95028774, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret L. McLain, NP-C prescribe under Medicare Part D?
In 2024, Margaret L. McLain, NP-C had 786 Medicare Part D claims for 202 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Margaret L. McLain, NP-C's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.