Dr. John Mark Janes, MD
- Part D claims, 2024
- 74
- Industry payments
- $332
- Affiliated sites
- 4
- Medical groups
- 5
- Insurance carriers
- 11
- Practice address
- 711 St Joseph St, Gonzales, TX 78629
- Practice phone
- Call (512) 672-6511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gonzales Community Health Center (St Joseph St)
FQHC - Main Site · Gonzales, Texas
Find Dr. Janes' 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.
Dr. John Mark Janes is a psychiatrist in Gonzales, Texas
Dr. Janes practices at Gonzales Community Health Center (St Joseph St) in Gonzales, Texas.
Dr. Janes' NPI, 1497813224, was assigned on December 5, 2006. Dr. Janes graduated from OU College of Medicine in 1989. Dr. Janes holds Texas license H8939.
- NPI
- 1497813224NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880688126
- NPI enumeration date
- December 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (512) 672-6511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Mark Janes practices at 2 locations in Gonzales, Texas
Dr. Janes' primary practice is Gonzales Community Health Center (St Joseph St), at 711 St Joseph St, Gonzales, TX 78629. The practice phone is (512) 672-6511. Dr. Janes also practices at Community Health Centers of South Central Texas, Inc., 228 St George St, Gonzales, TX 78629.
- Gonzales Community Health Center (St Joseph St)Primary711 St Joseph St, Gonzales, TX 78629Phone(512) 672-6511
- Community Health Centers of South Central Texas, Inc.228 St George St, Gonzales, TX 78629 · Gonzales CountyPhone(830) 672-6511
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. John Mark Janes is affiliated with 4 sites of care and 5 medical groups
Dr. Janes' primary practice is Gonzales Community Health Center (St Joseph St) in Gonzales, Texas. The medical group on file is Community Health Centers of South Central Texas. Dmand AI also links Dr. Janes to 4 more medical groups and 3 group practices and clinics, each named with a free account. Dr. Janes' employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Mark Janes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janes practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gonzales Community Health Center (St Joseph St) | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Mark Janes is one of 2,406 psychiatrists in Texas
Psychiatry is Dr. Janes' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Janes is board certified in child & adolescent psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Janes' licenses on file in 2 states: Texas and Arkansas.
Specialties and state licenses
- Psychiatry, TexasPrimary
- Arkansas license
Psychiatrists near Dr. Janes
Counts of psychiatrists 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
Dr. John Mark Janes' patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Janes' median patient age at 54, with 78% women.
Dr. Janes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women78%
- Men22%
Source: Dmand AI Patient Panel Data
Dr. John Mark Janes wrote 74 Medicare Part D claims in 2024
In 2024, Dr. Janes wrote 74 Medicare Part D claims for 15 patients. 91% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $407 in total drug cost. In 2023, CMS named 61 claims across 5 drugs.
Dr. Janes' Part D claims by kind of drug, 2024
- Generic67 claims91%
- Brand-name and other7 claims9%
Dr. Janes' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 612024: 1477%
Drugs named by CMS: 1 in 2024, 5 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 Dr. John Mark Janes takes part in Medicare
Dr. Janes 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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Dr. John Mark Janes received $332 in industry payments from 2016 to 2024
CMS Open Payments shows 20 general payments to Dr. Janes from 10 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $99.
General payments to Dr. Janes by program year, 2016 to 2024
Companies that paid Dr. Janes the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Mark Janes graduated from OU College of Medicine
Dr. Janes graduated from OU College of Medicine in 1989.
- Medical school
- Board certified in child & adolescent psychiatry
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. John Mark Janes accepts plans from 11 insurance carriers
Dr. Janes is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- +3 more carriersWith a free account
Plan types Dr. Janes accepts, by number of carriers
- PPO10
- Medicare8
- HMO6
- POS4
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Mark Janes'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Dr. John Mark Janes
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Mark Janes' NPI number?
Dr. John Mark Janes' NPI number is 1497813224. It was assigned on December 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Mark Janes?
Dr. John Mark Janes is a psychiatrist in Gonzales, Texas. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John Mark Janes practice?
Dr. Janes practices at 711 St Joseph St, Gonzales, TX 78629. Dr. Janes also practices at 228 St George St, Gonzales, TX 78629. Dr. Janes' primary practice is Gonzales Community Health Center (St Joseph St) in Gonzales, Texas. Dmand AI also links Dr. Janes to 4 medical groups and 3 group practices and clinics.
What is Dr. John Mark Janes' office phone number?
The practice phone on file for Dr. Janes is (512) 672-6511.
What is Dr. John Mark Janes' medical license number?
Dr. Janes holds Texas license H8939, one of the licenses on file in 2 states.
Which states has Dr. John Mark Janes been licensed in?
Dmand AI has state licenses on file for Dr. Janes in Texas (1991 to 2027) and Arkansas (2002 to 2025).
What medical group is Dr. John Mark Janes part of?
Dr. Janes is linked to Community Health Centers of South Central Texas. Dmand AI links Dr. Janes to 4 more medical groups.
Does Dr. John Mark Janes accept Medicare?
Yes. CMS lists Dr. Janes as accepting Medicare assignment.
Is Dr. John Mark Janes board certified?
Yes. Dr. Janes is board certified in child & adolescent psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. John Mark Janes go to medical school?
Dr. Janes graduated from OU College of Medicine in 1989.
Show 4 more questionsShow fewer questions
What drugs does Dr. John Mark Janes prescribe most?
In 2024 Medicare Part D data, Dr. Janes' most prescribed drugs by claims were Quetiapine Fumarate ER.
Has Dr. John Mark Janes received payments from drug or device companies?
CMS Open Payments shows $332 in general payments to Dr. Janes from 10 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. John Mark Janes been practicing?
Dr. Janes graduated from medical school in 1989, 37 years ago.
What insurance does Dr. John Mark Janes accept?
Dr. Janes is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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