Amy Catherine Lothian, MD
Internal Medicine Physician · Porter, TX
Amy Catherine Lothian, MD is an internal medicine physician with a practice address in Porter, Texas, and NPI 1407886690, issued on Jul 3, 2006. Check the license (Texas L8113, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Amy Catherine Lothian
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L8113 TX
Self-reported in NPPES; status is on the state search - Practice location
- 25553 U.S. Highway 59, Porter, TX 77365
- Phone
- (713) 442-2100
- Enumerated
- Jul 3, 2006
- Record last updated
- Jun 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 194447202 TX
194447201 TX
194447203 TX - Medicare enrollment
- Enrolled (PECOS I20080311000131); accepts Medicare assignment
- Medical or professional school
- Rutgers School Of Dental Medicine, 2001
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 25553 U.S. Highway 59
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Oksana Marroquin, MDFamily Medicine Physician1306251616
- Wanda Tierno, FNP-BCFamily Nurse Practitioner1114123189
Verify Amy Catherine Lothian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L8113Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.8 times the Medicare Part D claims of the average internal medicine physician in 2024
15,346 Medicare Part D claims for 804 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 378 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,111 claims
- Levothyroxine Sodium579 claims
- Amlodipine Besylate452 claims
- Alendronate Sodium449 claims
- Losartan Potassium441 claims
- Ozempic409 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 one group practice
- Kelsey-Seybold Medical Group, PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy Catherine Lothian among 9,175 internal medicine physician records in Texas
Amy Catherine Lothian, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2001 · median 2004 among the 6,088 with a school on file
- 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).
6 internal medicine physician records list a practice address in Porter
They are 6 of the 223 NPPES records with a practice address in Porter, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Porter → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bazgha Khalid, M.D.Porter, TX 773651851538482
- Paul O'Leary, M.D.Porter, TX 773651881914158
- Jasmine Pettiford, M.D.Porter, TX 773651447602685
- Randall Roland, D.OPorter, TX 773651275912354
- Renee Sone, DOPorter, TX 773651720775398
- Leonel Casanova Rodriguez, MDSpring, TX 773731144717570
- Andrew Oliver, D.O.Spring, TX 773731437599602
- John Carwile, MDMontgomery, TX 773561487697686
Common questions
What is Amy Catherine Lothian, MD's NPI number?
Amy Catherine Lothian, MD's National Provider Identifier (NPI) is 1407886690, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Amy Catherine Lothian, MD located?
The NPPES record lists a practice address at 25553 U.S. Highway 59, Porter, TX, 77365. Phone: (713) 442-2100. Providers update this record themselves, so call before visiting.
How can I verify Amy Catherine Lothian, MD's license?
NPPES lists Texas license number L8113, 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 Amy Catherine Lothian, MD prescribe under Medicare Part D?
In 2024, Amy Catherine Lothian, MD had 15,346 Medicare Part D claims for 804 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.