Dan Lotan, MD
Internal Medicine Physician · Houston, TX
Dan Lotan, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1801882923, issued on Sep 23, 2005. Check the license (Texas L5442, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dan Lotan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L5442 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2000 Crawford, Houston, TX 77002
- Phone
- (713) 650-0344
- Enumerated
- Sep 23, 2005
- Record last updated
- Feb 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (713) 522-8271
- Medicaid IDs
- 160458901 TX
1604589-02 TX - Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 2000 Crawford
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Hilliard, M.D.Specialist1477642304
Verify Dan Lotan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L5442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
74 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Dan Lotan among 9,175 internal medicine physician records in Texas
Dan Lotan, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2021 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Keith Aldinger, M.D. MBRHouston, TX 770021235116633
- Raymond Alexander, MD PAHouston, TX 770021609852235
- Jennifer Johnson-Caldwell, MDHouston, TX 770021093711269
- Luda Kamenetsky, M.D.Houston, TX 770021447235502
- Chok Lee, M.D.Houston, TX 770021568416212
- Deborah McCoy, MDHouston, TX 770021649387002
- Shreekant Patolia, MDHouston, TX 770021689692477
- Mariette Pierre, M.D.Houston, TX 770021972542124
Common questions
What is Dan Lotan, MD's NPI number?
Dan Lotan, MD's National Provider Identifier (NPI) is 1801882923, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dan Lotan, MD located?
The NPPES record lists a practice address at 2000 Crawford, Houston, TX, 77002. Phone: (713) 650-0344. Providers update this record themselves, so call before visiting.
How can I verify Dan Lotan, MD's license?
NPPES lists Texas license number L5442, 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 Dan Lotan, MD prescribe under Medicare Part D?
In 2024, Dan Lotan, MD had 74 Medicare Part D claims; 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.