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Dr. John E. Walker, MD
NPI1114959301PAC ID8224086848
- Medicare services, 2024
- 3,133
- Medicare patients, 2024
- 510
- Part D claims, 2024
- 6,838
- Publications
- 1
- Clinical trials
- 1
- Practice address
- 7600 Fannin, Houston, TX 77054
- Practice phone
- Call (713) 790-1234
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Walker'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.
Dr. John E. Walker is a family medicine physician in Houston, Texas
Dr. Walker practices at The Woman's Hospital of Texas in Houston, Texas, part of HCA Healthcare.
Dr. Walker's NPI, 1114959301, was assigned on July 7, 2006. Dr. Walker graduated from UTMB Health in 1986. Dr. Walker holds Texas license H2974.
NPI and contact details
- NPI
- 1114959301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224086848
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (713) 790-1234
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John E. Walker practices at The Woman's Hospital of Texas in Houston, Texas
Dr. Walker's primary practice is The Woman's Hospital of Texas, at 7600 Fannin, Houston, TX 77054 in Harris County. The practice phone is (713) 790-1234.
- The Woman's Hospital of Texas7600 Fannin, Houston, TX 77054 · Harris CountyPhone(713) 790-1234
Source: Dmand AI Affiliation Data
Dr. John E. Walker is affiliated with 6 sites of care and 1 medical group
Dr. Walker's primary practice is The Woman's Hospital of Texas in Houston, Texas, part of HCA Healthcare. Dr. Walker is also affiliated with Memorial Hermann Greater Heights Hospital. The medical group on file is OBGYN Medical Center Associates. Dmand AI also links Dr. Walker to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Memorial Hermann Greater Heights HospitalOBGYN Medical Center Associates3 hospitalsNames with a free account1 group practice or clinicName with a free account
See all 7 affiliations for Dr. WalkerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John E. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Woman's Hospital of Texas | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John E. Walker is one of 9,775 family medicine physicians in Texas
Family medicine is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Walker is board certified in family medicine by the American Board of Family Medicine. Dr. Walker is licensed in Texas.
Specialties and state licenses
- Family medicine, TexasPrimary
Clinical focus
Dmand AI lists acid reflux, acute kidney failure, acute sinusitis, ADHD, aneurysm, ankle or foot injury, anxiety and arthritis among the conditions Dr. Walker treats.
Family medicine physicians near Dr. Walker
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
9,775family medicine physicians in Texas1,282family medicine physicians in Houston33family medicine physicians at The Woman's Hospital of Texas
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John E. Walker billed Medicare for 3,133 services in 2024
CMS data shows 3,133 Medicare services from Dr. Walker across 31 procedure codes in 2024, for 510 Medicare patients. Medicare paid $111,953 for them. Every service was in an office.
Medicare services, 20243,133
Medicare patients510
Paid by Medicare$111,953
Procedure codes31
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2962024: 1,12913%
- Lab and pathology
- 2023: 1,2092024: 1,04214%
- Other services
- 2023: 1912024: 493158%
- Tests and treatments
- 2023: 1542024: 24861%
- Imaging
- 2023: 1392024: 11120%
- Surgery
- 2023: 4912024: 11078%
Dr. Walker compared with the Texas median for family medicine physicians, 2024
- Dr. Walker
- Texas median
- Medicare services
- 3,133vs 3489.0 times
- Medicare patients
- 510vs 1343.8 times
- Part D claims
- 6,094vs 1,0026.1 times
Medians across 9,505 family medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Walker'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 Dr. Walker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other family medicine physicians in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John E. Walker treated 510 Medicare patients in 2024, average age 73
CMS counts 510 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 308 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 62, with 43% women.
Medicare patients, 2024510
Average age73
Average risk score0.88
Dr. Walker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Walker's Medicare patients by sex, 2024
- Women23245%
- Men27855%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis37%
- Diabetes21%
- Ischemic heart disease21%
- Anxiety19%
- Chronic kidney disease19%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John E. Walker wrote 6,838 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 6,838 Medicare Part D claims for 945 patients. 84% of them were for generic drugs. CMS names the drug for 6,094 of them, across 109 drugs with 11 or more claims each, at $571,820 in total drug cost. In 2023, CMS named 6,124 claims across 109 drugs.
Part D claims, 20246,838
Drugs named by CMS109
Total drug cost$571,820
Part D patients945
Dr. Walker's Part D claims by kind of drug, 2024
- Generic5,778 claims84%
- Brand-name1,024 claims15%
- Other36 claims1%
Dr. Walker'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 Dr. Walker's Part D claims, 2024
- Opioids1%45 of 6,838 claims
- Antibiotics2%152 of 6,838 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: 6,1242024: 6,094No change
Drugs named by CMS: 109 in 2024, 109 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
Dr. John E. Walker offers telehealth to Medicare patients
Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Walker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John E. Walker has 1 publication on record
Dmand AI links 1 paper to Dr. Walker in 2006.
Papers1
Recent publications by Dr. Walker
See who Dr. Walker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walker works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John E. Walker has worked on 1 clinical trial
Dmand AI links Dr. Walker to 1 clinical trial. Conditions studied include Cardiovascular Diseases.
Conditions in Dr. Walker's trials
- Cardiovascular Diseases
Recent clinical trials with Dr. Walker
JUPITER - Crestor 20mg Versus Placebo in Prevention of Cardiovascular (CV) Events (opens in a new tab)
TerminatedPhase 3
Cardiovascular DiseasesRosuvastatin
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. John E. Walker received $6,215 in industry payments from 2016 to 2025
CMS Open Payments shows 399 general payments to Dr. Walker from 48 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $1,389.
General payments to Dr. Walker by program year, 2016 to 2025
Companies that paid Dr. Walker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John E. Walker has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Walker, most recently Patient Centered Medical Home - Level 3 in 2020.
Awards and honors for Dr. Walker
- 2020
- Patient Centered Medical Home - Level 3
- 2017
- NCQA PCMH
- Undated
- Bridges to Excellence - Diabetes Care Recognition Program
Source: Dmand AI Professional Profile Data
Dr. John E. Walker graduated from UTMB Health
Dr. Walker graduated from UTMB Health in 1986. Dr. Walker is a member of AAFP.
- Medical school
- Board certified in family medicine
- Board certified in obesity medicine
Source: Dmand AI Professional Profile Data
Dr. John E. Walker accepts plans from 20 insurance carriers
Dr. Walker is in network with 20 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Humana
- Alliant Health Plans
- Aspirus Health Plan
- +12 more carriersWith a free account
Plan types Dr. Walker accepts, by number of carriers
- HMO12
- PPO12
- Medicare7
- POS6
- EPO5
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John E. Walker'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 E. Walker
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 E. Walker's NPI number?
Dr. John E. Walker's NPI number is 1114959301. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John E. Walker?
Dr. John E. Walker is a family medicine physician in Houston, Texas. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John E. Walker practice?
Dr. Walker practices at 7600 Fannin, Houston, TX 77054. Dr. Walker's primary practice is The Woman's Hospital of Texas in Houston, Texas, part of HCA Healthcare. Dmand AI also links Dr. Walker to 3 hospitals and 1 group practice or clinic.
What is Dr. John E. Walker's office phone number?
The practice phone on file for Dr. Walker is (713) 790-1234.
What is Dr. John E. Walker's medical license number?
Dr. Walker holds Texas license H2974.
Which hospitals is Dr. John E. Walker affiliated with?
Dr. Walker practices at The Woman's Hospital of Texas in Houston, Texas. Dr. Walker is also affiliated with Memorial Hermann Greater Heights Hospital. Dmand AI links Dr. Walker to 3 more hospitals.
What medical group is Dr. John E. Walker part of?
Dr. Walker is linked to OBGYN Medical Center Associates.
Does Dr. John E. Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 3,133 services in 2024, and Dr. Walker accepts Medicare assignment.
Does Dr. John E. Walker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Walker as offering telehealth services.
How many Medicare patients does Dr. John E. Walker see?
CMS counts 510 Medicare patients who saw Dr. Walker in 2024, with an average age of 73.
Show 8 more questionsShow fewer questions
Is Dr. John E. Walker board certified?
Yes. Dr. Walker is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. John E. Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and lab and pathology test (80053).
Where did Dr. John E. Walker go to medical school?
Dr. Walker graduated from UTMB Health in 1986.
What drugs does Dr. John E. Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. John E. Walker received payments from drug or device companies?
CMS Open Payments shows $6,215 in general payments to Dr. Walker from 48 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. John E. Walker been practicing?
Dr. Walker graduated from medical school in 1986, 40 years ago.
Does Dr. John E. Walker do research?
Dmand AI links 1 publication to Dr. Walker. Dr. Walker has worked on 1 clinical trial.
What insurance does Dr. John E. Walker accept?
Dr. Walker is in network with 20 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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