James Alexander Leidner
- Medicare services, 2024
- 265
- Medicare patients, 2024
- 122
- Part D claims, 2024
- 183
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 7700 Floyd Curl Dr, San Antonio, TX 78229
- Practice phone
- Call (210) 575-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Methodist Hospital (TX)
San Antonio, Texas
Find James Leidner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
James Alexander Leidner is an internist in San Antonio, Texas
James Leidner practices at Methodist Hospital (TX) in San Antonio, Texas.
James Leidner's NPI, 1851898357, was assigned on April 11, 2018. James Leidner graduated from UTMB Health in 2018. James Leidner's Texas license number on file is T2659.
- NPI
- 1851898357NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082011036
- NPI enumeration date
- April 11, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (210) 575-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
James Alexander Leidner practices at Methodist Hospital (TX) in San Antonio, Texas
James Leidner's primary practice is Methodist Hospital (TX), at 7700 Floyd Curl Dr, San Antonio, TX 78229 in Bexar County. The practice phone is (210) 575-4000.
- Methodist Hospital (TX)7700 Floyd Curl Dr, San Antonio, TX 78229 · Bexar CountyPhone(210) 575-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
James Alexander Leidner is affiliated with 5 sites of care and 1 medical group
James Leidner's primary practice is Methodist Hospital (TX) in San Antonio, Texas. James Leidner is also affiliated with Methodist Hospital. The medical group on file is Hospital Medicine Services of TX. Dmand AI also links James Leidner to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at James Alexander Leidner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Leidner practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist Hospital (TX) | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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James Alexander Leidner is one of 8,437 internists in Texas
Internal medicine is James Leidner's primary specialty in the NPI Registry, under taxonomy code 207R00000X. James Leidner is board certified in internal medicine by the American Board of Internal Medicine. James Leidner has a license on file in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
Clinical focus
Dmand AI lists acute diabetes, acute respiratory failure, acute stomach ulcer, cardiac arrhythmia, cellulitis, chest pain, circulation problems and circulatory problems in extremities among the conditions James Leidner treats.
Internists near James Leidner
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
James Alexander Leidner billed Medicare for 265 services in 2024
CMS data shows 265 Medicare services from James Leidner across 4 procedure codes in 2024, for 122 Medicare patients. Medicare paid $21,572 for them. Every service was in a facility, such as a hospital, rather than an office.
James Leidner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1392024: 26577%
James Leidner compared with the Texas median for internists, 2024
- James Leidner
- Texas median
- Medicare services
- 265vs 53951% below
- Medicare patients
- 122vs 19036% below
- Part D claims
- 12vs 28996% below
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
James Leidner's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for James Leidner?
Medicare shows one payer. Book a meeting to get commercial claims data for James Leidner and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
James Alexander Leidner treated 122 Medicare patients in 2024, average age 77
CMS counts 122 Medicare patients who saw James Leidner in 2024. The largest group is 75 to 84, with 43 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts James Leidner's median patient age at 74, with 48% women.
James Leidner's Medicare patients by age, 2024
James Leidner's Medicare patients by sex, 2024
- Women7259%
- Men5041%
Chronic conditions among James Leidner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease68%
- Heart failure58%
- Diabetes52%
- Chronic kidney disease50%
- Mood disorders50%
- Arthritis45%
Share of Medicare patients with each condition. A patient can have several.
James Leidner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women48%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James Alexander Leidner wrote 183 Medicare Part D claims in 2024
In 2024, James Leidner wrote 183 Medicare Part D claims for 73 patients. 82% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $105 in total drug cost. In 2023, CMS named 324 claims across 20 drugs.
James Leidner's Part D claims by kind of drug, 2024
- Generic150 claims82%
- Brand-name and other33 claims18%
James Leidner's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in James Leidner's Part D claims, 2024
- Antibiotics16%30 of 183 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3242024: 1296%
Drugs named by CMS: 1 in 2024, 20 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How James Alexander Leidner takes part in Medicare
James Leidner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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James Alexander Leidner has 1 publication on record
Dmand AI links 1 paper to James Leidner. James Leidner's most frequent co-authors are Benjamin David Levine, MD, James P. Macnamara, MD and John Et Marshall.
James Leidner's most frequent co-authors
- Benjamin David Levine, MD1 shared paper
- James P. Macnamara, MD1 shared paper
- John Et Marshall1 shared paper
Recent publications by James Leidner
See who James Leidner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who James Leidner works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
James Alexander Leidner graduated from UTMB Health
James Leidner graduated from UTMB Health in 2018.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
James Alexander Leidner accepts plans from 14 insurance carriers
James Leidner is in network with 14 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- HCSC
- Baylor Scott and White
- Blue Cross and Blue Shield of Kansas City
- +6 more carriersWith a free account
Plan types James Leidner accepts, by number of carriers
- HMO9
- PPO8
- POS5
- Medicare4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for James Alexander Leidner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about James Alexander Leidner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James Alexander Leidner's NPI number?
James Alexander Leidner's NPI number is 1851898357. It was assigned on April 11, 2018, and it is active in the NPI Registry.
What does James Alexander Leidner specialize in?
James Alexander Leidner is an internist in San Antonio, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does James Alexander Leidner practice?
James Leidner practices at 7700 Floyd Curl Dr, San Antonio, TX 78229. James Leidner's primary practice is Methodist Hospital (TX) in San Antonio, Texas. Dmand AI also links James Leidner to 2 hospitals and 1 group practice or clinic.
What is James Alexander Leidner's office phone number?
The practice phone on file for James Leidner is (210) 575-4000.
What is James Alexander Leidner's medical license number?
James Leidner's Texas license number on file is T2659.
Which hospitals is James Alexander Leidner affiliated with?
James Leidner is affiliated with Methodist Hospital. Dmand AI links James Leidner to 2 more hospitals.
What medical group is James Alexander Leidner part of?
James Leidner is linked to Hospital Medicine Services of TX.
Does James Alexander Leidner accept Medicare?
Yes. CMS data shows James Leidner billed Medicare for 265 services in 2024, and James Leidner accepts Medicare assignment.
How many Medicare patients does James Alexander Leidner see?
CMS counts 122 Medicare patients who saw James Leidner in 2024, with an average age of 77.
Is James Alexander Leidner board certified?
Yes. James Leidner is board certified in internal medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does James Alexander Leidner bill to Medicare?
In 2024, James Leidner's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did James Alexander Leidner go to medical school?
James Leidner graduated from UTMB Health in 2018.
What drugs does James Alexander Leidner prescribe most?
In 2024 Medicare Part D data, James Leidner's most prescribed drugs by claims were Cefdinir.
How long has James Alexander Leidner been practicing?
James Leidner graduated from medical school in 2018, 8 years ago.
Does James Alexander Leidner do research?
Dmand AI links 1 publication to James Leidner.
Who does James Alexander Leidner publish with?
James Leidner's most frequent co-authors are Benjamin David Levine, MD (1 shared paper), James P. Macnamara, MD (1 shared paper) and John Et Marshall (1 shared paper).
What insurance does James Alexander Leidner accept?
James Leidner is in network with 14 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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