Peggy Ann Nicolai, FNP
Family Nurse Practitioner · Chesterfield, MO
Peggy Ann Nicolai, FNP is a family nurse practitioner with a practice address in Chesterfield, Missouri, and NPI 1518390236, issued on Aug 16, 2013. Check the license (Missouri 2013009544, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Peggy Ann Nicolai
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2013009544 MO
Self-reported in NPPES; status is on the state search - Practice location
- 232 S Woods Mill RD, Chesterfield, MO 63017
- Phone
- (314) 434-1500
- Enumerated
- Aug 16, 2013
- Record last updated
- Aug 16, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 232 S Woods Mill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peggy Ann Nicolai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2013009544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family nurse practitioner in 2024
267 Medicare Part D claims for 185 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone59 claims
- Doxycycline Hyclate32 claims
- Amoxicillin-Clavulanate Potass30 claims
- Sulfamethoxazole-Trimethoprim21 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 MIPS final score for 2023 (Medicare payment program): 89.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $52.37
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
Peggy Ann Nicolai among 5,226 family nurse practitioner records in Missouri
Peggy Ann Nicolai, FNP is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 26% of them.
- NPI issued2013 · 26% of these records are older, 71% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2013 · 44% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 family nurse practitioner records list a practice address in Chesterfield
They are 107 of the 2,132 NPPES records with a practice address in Chesterfield, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Chesterfield → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Patricia Abele, NPChesterfield, MO 630171265418057
- Merielle Bird, FNPChesterfield, MO 630171437477932
- Sarah Bloch, RN, MSN, FNPChesterfield, MO 630171043506256
- Maryellen Bowman, N.P.Chesterfield, MO 630171407938954
- Alysia Brown, APRN (NP-C)Chesterfield, MO 630171740416650
- Susan Ferbet, FNPChesterfield, MO 630171699720540
- Nichole Maclellan, FNPChesterfield, MO 630171043584634
- Lisa Mantia, FNP, BCChesterfield, MO 630171295924108
Common questions
What is Peggy Ann Nicolai, FNP's NPI number?
Peggy Ann Nicolai, FNP's National Provider Identifier (NPI) is 1518390236, issued on Aug 16, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Peggy Ann Nicolai, FNP located?
The NPPES record lists a practice address at 232 S Woods Mill RD, Chesterfield, MO, 63017. Phone: (314) 434-1500. Providers update this record themselves, so call before visiting.
How can I verify Peggy Ann Nicolai, FNP's license?
NPPES lists Missouri license number 2013009544, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Peggy Ann Nicolai, FNP prescribe under Medicare Part D?
In 2024, Peggy Ann Nicolai, FNP had 267 Medicare Part D claims for 185 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Peggy Ann Nicolai, FNP's MIPS final score?
The 2023 MIPS final score is 89.2 of 100. 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.