NPPES file of Aug 9, 2026

Christopher Hou-Guan Tan, DO

Hospitalist Physician · Baytown, TX

Christopher Hou-Guan Tan, DO is a hospitalist physician with a practice address in Baytown, Texas, and NPI 1073017661, issued on Mar 20, 2018. Check the license (Texas S9611, as entered in NPPES) on the Texas Medical Board; 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
1073017661
Name
Christopher Hou-Guan Tan
Credential
DO
Primary taxonomy
Hospitalist Physician 208M00000X
License number
S9611 TX
Self-reported in NPPES; status is on the state search
Practice location
4401 Garth RD, Baytown, TX 77521
Phone
(832) 556-6351
Enumerated
Mar 20, 2018
Record last updated
Sep 5, 2023
Medicare enrollment
Enrolled (PECOS I20210719000242); 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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Also registered at 4401 Garth RD

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

  1. Maimoonah AbidHospitalist Physician1124761028
  2. Ebony Adams-Collins, PHARMDPharmacist1659153021
  3. Folayemi Adeluyi, FNP, AG-ACNPAdult Health Nurse Practitioner1801408794
  4. Hasan Al-Azzawi, M.D.Critical Care Medicine (Internal Medicine) Physician1982023420
  5. Sarah Al-Ghanim, MD,Hospitalist Physician1508328964
  6. Steven Albright, M.D.Plastic Surgery Physician1013154590

Verify Christopher Hou-Guan Tan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S9611
    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 Texas 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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38% more Medicare Part D claims than the average hospitalist physician in 2024

720 Medicare Part D claims for 249 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 42 claims were for opioids.

  1. Christopher Tan720
  2. Specialty average521

Most prescribed

  1. Furosemide38 claims
  2. Pantoprazole Sodium33 claims
  3. Carvedilol29 claims
  4. Eliquis28 claims
  5. Atorvastatin Calcium26 claims
  6. Metoprolol Succinate20 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 MIPS final score for 2023 (Medicare payment program): 99.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score93.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%95.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 2 group practices

  1. Houston Methodist Specialty PhysiciansHouston, TX
  2. Tmh Physician Associates PLLCBaytown, TX

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

Christopher Hou-Guan Tan among 1,587 hospitalist physician records in Texas

Christopher Hou-Guan Tan, DO is one of 1,587 hospitalist physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 68% of them.

  • NPI issued2018 · 68% of these records are older, 27% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2018 · median 2013 among the 1,298 with a school on file
  • Record last updated2023 · 25% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 hospitalist physician records list a practice address in Baytown

They are 30 of the 1,189 NPPES records with a practice address in Baytown, and 1,587 hospitalist physician records in Texas.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Apoorv Broor, MDBaytown, TX 775211386830149
  2. David Cherian, MDBaytown, TX 775211366705139
  3. David Do, M.D.Baytown, TX 775211184156796
  4. Daniel Enwere, MDBaytown, TX 775211245734193
  5. Brittany Gabbert, DOBaytown, TX 775211265993976
  6. Zary Hashemi, M.D.Baytown, TX 775211598018772
  7. Anjan Kalvakuntla, MDBaytown, TX 775211922310747
  8. Elain Loquias, DOBaytown, TX 775211609368653

Common questions

What is Christopher Hou-Guan Tan, DO's NPI number?

Christopher Hou-Guan Tan, DO's National Provider Identifier (NPI) is 1073017661, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Hou-Guan Tan, DO located?

The NPPES record lists a practice address at 4401 Garth RD, Baytown, TX, 77521. Phone: (832) 556-6351. Providers update this record themselves, so call before visiting.

How can I verify Christopher Hou-Guan Tan, DO's license?

NPPES lists Texas license number S9611, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher Hou-Guan Tan, DO prescribe under Medicare Part D?

In 2024, Christopher Hou-Guan Tan, DO had 720 Medicare Part D claims for 249 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Christopher Hou-Guan Tan, DO's MIPS final score?

The 2023 MIPS final score is 99.1 of 100. 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.