James M. Otto, M.D.
Internal Medicine Physician · Nacogdoches, TX
James M. Otto, M.D. is an internal medicine physician with a practice address in Nacogdoches, Texas, and NPI 1477690766, issued on Jan 30, 2007. Check the license (Texas J0173, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- James M. Otto
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- J0173 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1002 N Mound St, Nacogdoches, TX 75961
- Phone
- (936) 560-3800
- Enumerated
- Jan 30, 2007
- Record last updated
- May 23, 2023
- Fax
- (936) 205-4359
- Medicare enrollment
- Enrolled (PECOS I20101020000938); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1990
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1002 N Mound St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- William Hairston, D.O.Family Medicine Physician1295744399
- Jason Suits, MDSurgery Physician1750358149
- Aisha Warfield, APRNNurse Practitioner1780234864
Verify James M. Otto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J0173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,209 Medicare Part D claims for 474 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 119 claims were for opioids.
Most prescribed
- Atorvastatin Calcium733 claims
- Amlodipine Besylate596 claims
- Levothyroxine Sodium359 claims
- Losartan Potassium305 claims
- Lisinopril268 claims
- Ozempic268 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.
Industry payments in 2024: $107.49
6 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lion Star Nacogdoches Hospital, LLCNacogdoches, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James M. Otto among 9,175 internal medicine physician records in Texas
James M. Otto, M.D. 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1990 · median 2004 among the 6,088 with a school on file
- Record last updated2023 · 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).
12 internal medicine physician records list a practice address in Nacogdoches
They are 12 of the 715 NPPES records with a practice address in Nacogdoches, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Nacogdoches → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Baker, MDNacogdoches, TX 759611538185517
- David Duke, MDNacogdoches, TX 759611255492211
- Scott Oh, MDNacogdoches, TX 759611861541211
- Rodrigo Sotillo, MDNacogdoches, TX 759611861424319
- Patrick Taylor, MDNacogdoches, TX 759611770660771
- Charlotte Appleton, M.D.Nacogdoches, TX 759651629139712
- Ted Ledet, M.D.Nacogdoches, TX 759651164537247
- Xiomara Velazco-Vazquez, MDNacogdoches, TX 759651801080346
Common questions
What is James M. Otto, M.D.'s NPI number?
James M. Otto, M.D.'s National Provider Identifier (NPI) is 1477690766, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James M. Otto, M.D. located?
The NPPES record lists a practice address at 1002 N Mound St, Nacogdoches, TX, 75961. Phone: (936) 560-3800. Providers update this record themselves, so call before visiting.
How can I verify James M. Otto, M.D.'s license?
NPPES lists Texas license number J0173, 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 James M. Otto, M.D. prescribe under Medicare Part D?
In 2024, James M. Otto, M.D. had 10,209 Medicare Part D claims for 474 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.