Xiaolan Tang
Internal Medicine Physician · Huntsville, AL
Xiaolan Tang is an internal medicine physician with a practice address in Huntsville, Alabama, and NPI 1033792338, issued on May 4, 2021. Check the license (Alabama MD.48972, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Xiaolan Tang
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD.48972 AL
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital Dr SW, Huntsville, AL 35801
- Phone
- (256) 429-4000
- Enumerated
- May 4, 2021
- Record last updated
- Oct 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20240909001592); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,705 in Alabama → Look up another NPI →
Also registered at 1 Hospital Dr SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Xiaolan Tang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license MD.48972Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
167 Medicare Part D claims for 55 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium18 claims
- Amlodipine Besylate12 claims
- Prednisone12 claims
- Amoxicillin-Clavulanate Potass11 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 3 group practices
- Crestwood HB Medical Services LLCHuntsville, AL
- Crestwood Physician Services, LLCHuntsville, AL
- Hospital Medicine Services OF Tennessee PCFayetteville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Xiaolan Tang among 1,705 internal medicine physician records in Alabama
Xiaolan Tang is one of 1,705 internal medicine physician records with a practice address in Alabama. 84% 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 88% of them.
- NPI issued2021 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2006 · median 2003 among the 1,136 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 internal medicine physician records list a practice address in Huntsville
They are 98 of the 5,555 NPPES records with a practice address in Huntsville, and 1,705 internal medicine physician records in Alabama.
All 1,705 in Alabama → Every provider in Huntsville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bala Chennupati, M.D.Huntsville, AL 358011922080084
- Don Evans, MDHuntsville, AL 358011710969522
- John Fanning, MDHuntsville, AL 358011417938762
- Carolyn Herrington, M.D.Huntsville, AL 358011669453411
- Rupen Joshi, M.D.Huntsville, AL 358011457341463
- Zaheer Khan, M.D.Huntsville, AL 358011669454351
- Martin Lynn, M.D.Huntsville, AL 358011760464820
- Dibyajiban Mahapatra, M.D.Huntsville, AL 358011639163769
Common questions
What is Xiaolan Tang's NPI number?
Xiaolan Tang's National Provider Identifier (NPI) is 1033792338, issued on May 4, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Xiaolan Tang located?
The NPPES record lists a practice address at 1 Hospital Dr SW, Huntsville, AL, 35801. Phone: (256) 429-4000. Providers update this record themselves, so call before visiting.
How can I verify Xiaolan Tang's license?
NPPES lists Alabama license number MD.48972, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Xiaolan Tang prescribe under Medicare Part D?
In 2024, Xiaolan Tang had 167 Medicare Part D claims for 55 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.