NPPES file of Aug 9, 2026

Fei Xiao, PA-C

Physician Assistant · Baltimore, MD

Fei Xiao, PA-C is a physician assistant with a practice address in Baltimore, Maryland, and NPI 1124341201, issued on Mar 3, 2010. Check the license (Maryland C0004097, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124341201
Name
Fei Xiao
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
C0004097 MD
Self-reported in NPPES; status is on the state search
Practice location
301 Saint Paul St, Baltimore, MD 21202
Phone
(410) 332-9752
Enumerated
Mar 3, 2010
Record last updated
Dec 11, 2025
Medicare enrollment
Enrolled (PECOS I20110201000556); may accept Medicare assignment
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 301 Saint Paul St

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

  1. Henrietta Akintoye, MDObstetrics & Gynecology Physician1992148472
  2. Mary Alexander, PTAPhysical Therapy Assistant1245451517
  3. Katherine Amundson, M.D.Anesthesiology Physician1457417628
  4. Rochelle Arbuah-Aning, MDObstetrics & Gynecology Physician1508228578
  5. Mehtap Aygun, M.D.Gynecology Physician1649316076
  6. Kevin Babb, MDEmergency Medicine Physician1780729558

Verify Fei Xiao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license C0004097
    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
Find the Maryland 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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40% more Medicare Part D claims than the average physician assistant in 2024

1,161 Medicare Part D claims for 303 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Fei Xiao1,161
  2. Specialty average830

Most prescribed

  1. Metoprolol Succinate146 claims
  2. Furosemide133 claims
  3. Atorvastatin Calcium99 claims
  4. Spironolactone83 claims
  5. Entresto81 claims
  6. Losartan Potassium70 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 practice group's MIPS final score for 2023 (Medicare payment program): 74.4 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.

  1. Qualityout of 100 · 30% of the final score64.7
  2. Costout of 100 · 30%52.4
  3. Promoting interoperabilityout of 100 · 25%97.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Johns Hopkins UniversityBaltimore, MD
  2. Johns Hopkins UniversityBaltimore, MD

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

Fei Xiao among 3,224 physician assistant records in Maryland

Fei Xiao, PA-C is one of 3,224 physician assistant records with a practice address in Maryland. 76% 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 30% of them.

  • NPI issued2010 · 30% of these records are older, 66% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2009 · median 2017 among the 1,974 with a school on file
  • Record last updated2025 · 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 363A00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,135 physician assistant records list a practice address in Baltimore

They are 1,135 of the 35,183 NPPES records with a practice address in Baltimore, and 3,224 physician assistant records in Maryland.

The 8 physician assistant records with the nearest ZIP codes

  1. Anissa Boyle, PABaltimore, MD 212021447290911
  2. Michelle Braun, PABaltimore, MD 212021356317614
  3. Maria Burkhardt, PA-CBaltimore, MD 212021003929613
  4. Christian Cao, MPAS, PA-CBaltimore, MD 212021285620021
  5. Amy Curran, PA-CBaltimore, MD 212021194846261
  6. Eric Davison, PABaltimore, MD 212021720131675
  7. William Fox, PABaltimore, MD 212021750455333
  8. Jocelyn Henning, PABaltimore, MD 212021346296274

Common questions

What is Fei Xiao, PA-C's NPI number?

Fei Xiao, PA-C's National Provider Identifier (NPI) is 1124341201, issued on Mar 3, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Fei Xiao, PA-C located?

The NPPES record lists a practice address at 301 Saint Paul St, Baltimore, MD, 21202. Phone: (410) 332-9752. Providers update this record themselves, so call before visiting.

How can I verify Fei Xiao, PA-C's license?

NPPES lists Maryland license number C0004097, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Fei Xiao, PA-C prescribe under Medicare Part D?

In 2024, Fei Xiao, PA-C had 1,161 Medicare Part D claims for 303 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Fei Xiao, PA-C's MIPS final score?

The 2023 MIPS final score is 74.4 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.