NPPES file of Aug 9, 2026

Aiying Angie Xiao, MD

Psychiatry Physician · Festus, MO

Aiying Angie Xiao, MD is a psychiatry physician with a practice address in Festus, Missouri, and NPI 1316259385, issued on Jul 7, 2010. Check the license (Missouri 2014034920, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316259385
Name
Aiying Angie Xiao
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
2014034920 MO
LL32580 SC
Self-reported in NPPES; status is on the state search
Practice location
1400 US Highway 61, Festus, MO 63028
Phone
(636) 543-2230
Enumerated
Jul 7, 2010
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(636) 543-2231
Medicare enrollment
Enrolled (PECOS I20170714002484); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1400 US Highway 61

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Adderley, D.O.Physical Medicine & Rehabilitation Physician1114149903
  2. Benjamin Albano, M.D.Internal Medicine Physician1982603650
  3. Ahmad Alhomaid, MBBSInternal Medicine Physician1902548944
  4. Birju Amin, DOFamily Medicine Physician1821658402
  5. Erik Aubuchon, D.O.Internal Medicine Physician1558596668
  6. Muhammad Azharuddin, MDGeriatric Medicine (Internal Medicine) Physician1851490460

Verify Aiying Angie Xiao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2014034920
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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23% more Medicare Part D claims than the average psychiatry physician in 2024

1,227 Medicare Part D claims for 182 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Aiying Xiao1,227
  2. Specialty average1,000

Most prescribed

  1. Sertraline Hcl106 claims
  2. Clonazepam91 claims
  3. Trazodone Hcl89 claims
  4. Quetiapine Fumarate88 claims
  5. Bupropion Xl85 claims
  6. Fluoxetine Hcl46 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncWalnut Creek, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Aiying Angie Xiao among 965 psychiatry physician records in Missouri

Aiying Angie Xiao, MD is one of 965 psychiatry physician records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 57% of them.

  • NPI issued2010 · 57% of these records are older, 40% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated1990 · median 2003 among the 474 with a school on file
  • Record last updated2021 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Missouri

There are 965 psychiatry physician records in Missouri.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Ronald Beach, M.D.Festus, MO 630281205990579
  2. Tiffani Berkel, MD, PHDFestus, MO 630281629694930
  3. Eric Boyum, MDFestus, MO 630281093034266
  4. Eric Carbonell, M.D.Festus, MO 630281801805791
  5. Michael Cooper, D.O.Festus, MO 630281386059277
  6. Laishang Zhang, M.D.Festus, MO 630281235143942
  7. Evelynn Eckert, D.O.Fenton, MO 630261851602460
  8. Anna Jurec Irving, M.D.Fenton, MO 630261841491263

Common questions

What is Aiying Angie Xiao, MD's NPI number?

Aiying Angie Xiao, MD's National Provider Identifier (NPI) is 1316259385, issued on Jul 7, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Aiying Angie Xiao, MD located?

The NPPES record lists a practice address at 1400 US Highway 61, Festus, MO, 63028. Phone: (636) 543-2230. Providers update this record themselves, so call before visiting.

How can I verify Aiying Angie Xiao, MD's license?

NPPES lists Missouri license number 2014034920, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Aiying Angie Xiao, MD prescribe under Medicare Part D?

In 2024, Aiying Angie Xiao, MD had 1,227 Medicare Part D claims for 182 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.