Amy Guan, MS, APN
Gerontology Nurse Practitioner · Saint Louis, MO
Amy Guan, MS, APN is a gerontology nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1801398813, issued on Mar 6, 2018. Check the license (Missouri 2023012036, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amy Guan
- Credential
- MS, APN
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License numbers
- 2023012036 MO
2023014672 MO
209016579 IL
Self-reported in NPPES; status is on the state search - Practice location
- 12348 Old Tesson RD Ste 250, Saint Louis, MO 63128
- Phone
- (314) 272-2727
- Enumerated
- Mar 6, 2018
- Record last updated
- Sep 11, 2023
- Medicare enrollment
- Enrolled (PECOS I20230926001254); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 229 in Missouri → Look up another NPI →
Also registered at 12348 Old Tesson RD Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Gucciardo, NPPrimary Care Nurse Practitioner1992270011
Verify Amy Guan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2023012036Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average gerontology nurse practitioner in 2024
1,892 Medicare Part D claims for 469 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 31 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass98 claims
- Prednisone84 claims
- Fluticasone Propionate82 claims
- Atorvastatin Calcium81 claims
- Gabapentin55 claims
- Levothyroxine Sodium53 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: $2,271.42
116 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,903 providers of this specialty with any payment received $742.05 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.
Bills Medicare through one group practice
- Mercy Clinic East CommunitiesSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy Guan among 229 gerontology nurse practitioner records in Missouri
Amy Guan, MS, APN is one of 229 gerontology nurse practitioner records with a practice address in Missouri. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 41% of them.
- NPI issued2018 · 41% of these records are older, 53% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2017 · median 2019 among the 167 with a school on file
- Record last updated2023 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Missouri
There are 229 gerontology nurse practitioner records in Missouri.
All 229 in Missouri → Every provider in Saint Louis → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Katie Arter, ANPSaint Louis, MO 631281013791094
- Wesley GordonSaint Louis, MO 631281225408966
- Sarah Hartmann, AGNPSaint Louis, MO 631281881108413
- Maddisson Haslett, NPSaint Louis, MO 631281700524618
- Jenna MatthewsSaint Louis, MO 631281689210924
- Allyson Reeves, ANP-CSaint Louis, MO 631281154102978
- Jessica Sheehan, GNPSaint Louis, MO 631281467654772
- Katie Walsh, MSN, ACNPC-AGSaint Louis, MO 631281851925085
Common questions
What is Amy Guan, MS, APN's NPI number?
Amy Guan, MS, APN's National Provider Identifier (NPI) is 1801398813, issued on Mar 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Amy Guan, MS, APN located?
The NPPES record lists a practice address at 12348 Old Tesson RD Ste 250, Saint Louis, MO, 63128. Phone: (314) 272-2727. Providers update this record themselves, so call before visiting.
How can I verify Amy Guan, MS, APN's license?
NPPES lists Missouri license number 2023012036, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Amy Guan, MS, APN prescribe under Medicare Part D?
In 2024, Amy Guan, MS, APN had 1,892 Medicare Part D claims for 469 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.