Miranda Portwine, CRNA
Certified Registered Nurse Anesthetist · Saint Louis, MO
Miranda Portwine, CRNA is a certified registered nurse anesthetist with a practice address in Saint Louis, Missouri, and NPI 1346819968, issued on Jun 18, 2021. Check the license (Missouri 2021020908, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Miranda Portwine
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 2021020908 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2345 Dougherty Ferry RD, Saint Louis, MO 63122
- Phone
- (314) 485-1101
- Enumerated
- Jun 18, 2021
- Record last updated
- Jun 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211216001671); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 2,069 in Missouri → Look up another NPI →
Also registered at 2345 Dougherty Ferry RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Amerson, D.O.Anesthesiology Physician1043469570
- Peter Angelin, MDInternal Medicine Physician1225133440
- Leslie Artinger, CRNACertified Registered Nurse Anesthetist1508435066
- Joe Baldwin, DOEmergency Medical Services (Emergency Medicine) Physician1659307437
- Molly Bates, CRNACertified Registered Nurse Anesthetist1326711235
- Sidney Bennett, MDAnesthesiology Physician1568578466
Verify Miranda Portwine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2021020908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 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: $21.28
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 24,076 providers of this specialty with any payment received $135.08 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.
One hospital affiliation
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Miranda Portwine among 2,069 certified registered nurse anesthetist records in Missouri
Miranda Portwine, CRNA is one of 2,069 certified registered nurse anesthetist records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 81% of them.
- NPI issued2021 · 81% of these records are older, 14% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2021 · median 2013 among the 1,508 with a school on file
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
623 certified registered nurse anesthetist records list a practice address in Saint Louis
They are 623 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,069 certified registered nurse anesthetist records in Missouri.
All 2,069 in Missouri → Every provider in Saint Louis → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Claire Aubuchon, CRNASaint Louis, MO 631221003812884
- Dorothy Holt, CRNAKirkwood, MO 631221114980125
- Michael Lake, CRNASaint Louis, MO 631221710968573
- Susan McPeak, CRNASaint Louis, MO 631221255464525
- Deborah Mika-Day, CRNASaint Louis, MO 631221245221456
- John Moran, CRNASaint Louis, MO 631221093706608
- Jean Owens, CRNASaint Louis, MO 631221811979354
- Billy Roberts, CRNASt Louis, MO 631221710099551
Common questions
What is Miranda Portwine, CRNA's NPI number?
Miranda Portwine, CRNA's National Provider Identifier (NPI) is 1346819968, issued on Jun 18, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Miranda Portwine, CRNA located?
The NPPES record lists a practice address at 2345 Dougherty Ferry RD, Saint Louis, MO, 63122. Phone: (314) 485-1101. Providers update this record themselves, so call before visiting.
How can I verify Miranda Portwine, CRNA's license?
NPPES lists Missouri license number 2021020908, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
What is Miranda Portwine, CRNA's MIPS final score?
The 2023 MIPS final score is 79.3 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.