NPPES file of Aug 9, 2026

Andrew Tim Shen, M.D.

Anesthesiology Physician · Waterloo, IA

Andrew Tim Shen, M.D. is an anesthesiology physician with a practice address in Waterloo, Iowa, and NPI 1538423231, issued on Jun 27, 2012. Check the license (Iowa MD-46291, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1538423231
Name
Andrew Tim Shen
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
MD-46291 IA
D0081900 MD
MT-201576 PA
Self-reported in NPPES; status is on the state search
Practice location
3421 W 9TH St, Waterloo, IA 50702
Phone
(319) 272-5000
Enumerated
Jun 27, 2012
Record last updated
Dec 15, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(319) 272-5264
Medicare enrollment
Enrolled (PECOS I20190603001198); accepts 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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8 nearest anesthesiology physician records → All 569 in Iowa → Look up another NPI →

Also registered at 3421 W 9TH St

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

  1. Baha Abbad, MDInternal Medicine Physician1366050064
  2. Sidrah Abid, MDInternal Medicine Physician1497161830
  3. Elizabeth Ackerson, ARNPNurse Practitioner1225485097
  4. Eman Al-Selmie, M.D.Family Medicine Physician1588006613
  5. Brittany Amaya, RDN, LDRegistered Dietitian1487191359
  6. Rachel Amling, ARNPGerontology Nurse Practitioner1508522533

Verify Andrew Tim Shen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license MD-46291    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 Iowa 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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Bills Medicare through 2 group practices

  1. Covenant Medical Center IncWaterloo, IA
  2. Mercy Medical CenterCedar Rapids, IA

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

Andrew Tim Shen among 569 anesthesiology physician records in Iowa

Andrew Tim Shen, M.D. is one of 569 anesthesiology physician records with a practice address in Iowa. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 60% of them.

  • NPI issued2012 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2012 · median 2006 among the 361 with a school on file
  • Record last updated2019 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 anesthesiology physician records list a practice address in Waterloo

They are 29 of the 1,512 NPPES records with a practice address in Waterloo, and 569 anesthesiology physician records in Iowa.

All 569 in Iowa → Every provider in Waterloo → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Luis Avila, MDWaterloo, IA 507021053367169
  2. Anke Bellinger, MDWaterloo, IA 507021447202692
  3. Webster Clayton, MDWaterloo, IA 507021609811090
  4. Kent Croskey, DOWaterloo, IA 507021689654105
  5. Nathan Hahn, MDWaterloo, IA 507021104806280
  6. Peter Hohnstein, MDWaterloo, IA 507021538104039
  7. Albert Jackson, MDWaterloo, IA 507021417168667
  8. Ashok Kewalramani, DOWaterloo, IA 507021952394694

Common questions

What is Andrew Tim Shen, M.D.'s NPI number?

Andrew Tim Shen, M.D.'s National Provider Identifier (NPI) is 1538423231, issued on Jun 27, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Tim Shen, M.D. located?

The NPPES record lists a practice address at 3421 W 9TH St, Waterloo, IA, 50702. Phone: (319) 272-5000. Providers update this record themselves, so call before visiting.

How can I verify Andrew Tim Shen, M.D.'s license?

NPPES lists Iowa license number MD-46291, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.