Ann M. Armstrong, ACNP-BC
Acute Care Nurse Practitioner · Saint Louis, MO
Ann M. Armstrong, ACNP-BC is an acute care nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1659670552, issued on Mar 18, 2011. Check the license (Missouri 2011007621, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ann M. Armstrong
- Credential
- ACNP-BC
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 2011007621 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1035 Bellevue Ave, Saint Louis, MO 63117
- Phone
- (314) 925-4744
- Enumerated
- Mar 18, 2011
- Record last updated
- Nov 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (314) 925-4764
- Medicare enrollment
- Enrolled (PECOS I20130311000392); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 441 in Missouri → Look up another NPI →
Also registered at 1035 Bellevue Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marci BenedictPharmacist1275212235
- Bruce Brown, MDSurgery Physician1699712323
- Judith Dietzler, RPHPharmacist1003899956
- Harold Dunn, M.D.Plastic Surgery Physician1326170176
- John Durbin, M.D.Internal Medicine Physician1497983787
- Neil Frederickson, M.D.Gastroenterology Physician1245385327
Verify Ann M. Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2011007621Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average acute care nurse practitioner in 2024
1,358 Medicare Part D claims for 278 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims.
Most prescribed
- Trelegy Ellipta327 claims
- Albuterol Sulfate Hfa198 claims
- Prednisone107 claims
- Breztri Aerosphere64 claims
- Fluticasone Propionate60 claims
- Breo Ellipta55 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: $29.51
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 10,984 providers of this specialty with any payment received $647.94 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.
Ann M. Armstrong among 441 acute care nurse practitioner records in Missouri
Ann M. Armstrong, ACNP-BC is one of 441 acute care nurse practitioner records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 15% of them.
- NPI issued2011 · 15% of these records are older, 83% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1996 · median 2019 among the 324 with a school on file
- Record last updated2020 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Missouri
There are 441 acute care nurse practitioner records in Missouri.
All 441 in Missouri → Every provider in Saint Louis → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Jordan Arneaud, ACNPSaint Louis, MO 631171568106649
- Bethany Catlett, ACNPSaint Louis, MO 631171437459666
- Loretta Colvin, APRN, BCSaint Louis, MO 631171235135237
- Carly Cooper, APRN-CNPSaint Louis, MO 631171982411351
- Ya Binta DarboeRichmond Heights, MO 631171780521369
- Stephanie MossRichmond Heights, MO 631171487240214
- Alexis BocktingSaint Louis, MO 631161770257230
- Carolyn McGinnis, AGACNP-BCWebster Groves, MO 631191457714487
Common questions
What is Ann M. Armstrong, ACNP-BC's NPI number?
Ann M. Armstrong, ACNP-BC's National Provider Identifier (NPI) is 1659670552, issued on Mar 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ann M. Armstrong, ACNP-BC located?
The NPPES record lists a practice address at 1035 Bellevue Ave, Saint Louis, MO, 63117. Phone: (314) 925-4744. Providers update this record themselves, so call before visiting.
How can I verify Ann M. Armstrong, ACNP-BC's license?
NPPES lists Missouri license number 2011007621, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Ann M. Armstrong, ACNP-BC prescribe under Medicare Part D?
In 2024, Ann M. Armstrong, ACNP-BC had 1,358 Medicare Part D claims for 278 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.