Dr. John R. Walters, MD
- Medicare services, 2024
- 320
- Medicare patients, 2024
- 122
- Part D claims, 2024
- 5,058
- Hospital affiliations
- 3
- Industry payments
- $1,477
- Practice address
- 975 S Fairmont Avenue, Lodi, CA 95240
- Practice phone
- Call (209) 334-3411
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Walters' professional email, personal email and mobile number
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Dr. John R. Walters is an internist in Lodi, California
Dr. Walters practices at Adventist Health Lodi Memorial in Lodi, California, part of Adventist Health.
Dr. Walters' NPI, 1013907203, was assigned on October 27, 2005. Dr. Walters graduated from University of Southern California Keck School of Medicine in 1976. Dr. Walters holds California license A46739.
- NPI
- 1013907203NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274607643
- NPI enumeration date
- October 27, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 334-3411
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John R. Walters practices at Adventist Health Lodi Memorial in Lodi, California
Dr. Walters' primary practice is Adventist Health Lodi Memorial, at 975 S Fairmont Avenue, Lodi, CA 95240 in San Joaquin County. The practice phone is (209) 334-3411.
- Adventist Health Lodi Memorial975 S Fairmont Avenue, Lodi, CA 95240 · San Joaquin CountyPhone(209) 334-3411
Source: Dmand AI Affiliation Data
Dr. John R. Walters is affiliated with 4 sites of care
Dr. Walters' primary practice is Adventist Health Lodi Memorial in Lodi, California, part of Adventist Health. Dr. Walters is also affiliated with Dignity Health - St. John's Regional Medical Center. Dmand AI also links Dr. Walters to 1 more hospital and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John R. Walters' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walters practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Lodi Memorial | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John R. Walters is one of 16,751 internists in California
Internal medicine is Dr. Walters' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Walters is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Walters
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
Dr. John R. Walters billed Medicare for 320 services in 2024
CMS data shows 320 Medicare services from Dr. Walters across 5 procedure codes in 2024, for 122 Medicare patients. Medicare paid $27,943 for them. Every service was in an office.
Dr. Walters' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6932024: 28259%
- Other services
- 2023: 592024: 3836%
Dr. Walters compared with the California median for internists, 2024
- Dr. Walters
- California median
- Medicare services
- 320vs 36111% below
- Medicare patients
- 122vs 15119% below
- Part D claims
- 4,480vs 42110.6 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Walters' 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. Walters?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walters and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John R. Walters treated 122 Medicare patients in 2024, average age 77
CMS counts 122 Medicare patients who saw Dr. Walters in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Walters' median patient age at 72, with 48% women.
Dr. Walters' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Walters' Medicare patients by sex, 2024
- Women6150%
- Men6150%
Chronic conditions among Dr. Walters' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease39%
- Diabetes30%
- Anxiety26%
- Chronic kidney disease26%
- Atrial fibrillation24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walters' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John R. Walters wrote 5,058 Medicare Part D claims in 2024
In 2024, Dr. Walters wrote 5,058 Medicare Part D claims for 356 patients. 90% of them were for generic drugs. CMS names the drug for 4,480 of them, across 109 drugs with 11 or more claims each, at $537,224 in total drug cost. In 2023, CMS named 4,362 claims across 101 drugs.
Dr. Walters' Part D claims by kind of drug, 2024
- Generic4,575 claims90%
- Brand-name and other483 claims10%
Dr. Walters' 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. Walters' Part D claims, 2024
- Opioids4%197 of 5,058 claims
- Antibiotics2%95 of 5,058 claims
- Antipsychotics, patients 65 and over1%36 of 5,058 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: 4,3622024: 4,4803%
Drugs named by CMS: 109 in 2024, 101 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 R. Walters takes part in Medicare
Dr. Walters 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 R. Walters received $1,477 in industry payments from 2016 to 2025
CMS Open Payments shows 31 general payments to Dr. Walters from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $204.
General payments to Dr. Walters by program year, 2016 to 2025
Companies that paid Dr. Walters 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 R. Walters graduated from University of Southern California Keck School of Medicine
Dr. Walters graduated from University of Southern California Keck School of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John R. Walters'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 R. Walters
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 R. Walters' NPI number?
Dr. John R. Walters' NPI number is 1013907203. It was assigned on October 27, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John R. Walters?
Dr. John R. Walters is an internist in Lodi, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John R. Walters practice?
Dr. Walters practices at 975 S Fairmont Avenue, Lodi, CA 95240. Dr. Walters' primary practice is Adventist Health Lodi Memorial in Lodi, California, part of Adventist Health. Dmand AI also links Dr. Walters to 1 hospital and 1 physician office.
What is Dr. John R. Walters' office phone number?
The practice phone on file for Dr. Walters is (209) 334-3411.
What is Dr. John R. Walters' medical license number?
Dr. Walters holds California license A46739.
Which hospitals is Dr. John R. Walters affiliated with?
Dr. Walters practices at Adventist Health Lodi Memorial in Lodi, California. Dr. Walters is also affiliated with Dignity Health - St. John's Regional Medical Center. Dmand AI links Dr. Walters to 1 more hospital.
Does Dr. John R. Walters accept Medicare?
Yes. CMS data shows Dr. Walters billed Medicare for 320 services in 2024, and Dr. Walters accepts Medicare assignment.
How many Medicare patients does Dr. John R. Walters see?
CMS counts 122 Medicare patients who saw Dr. Walters in 2024, with an average age of 77.
What services does Dr. John R. Walters bill to Medicare?
In 2024, Dr. Walters' most billed Medicare services were office visit, established patient (99214), care management and other visits (99443) and care management and other visits (99497).
Where did Dr. John R. Walters go to medical school?
Dr. Walters graduated from University of Southern California Keck School of Medicine in 1976.
Show 3 more questionsShow fewer questions
What drugs does Dr. John R. Walters prescribe most?
In 2024 Medicare Part D data, Dr. Walters' most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
Has Dr. John R. Walters received payments from drug or device companies?
CMS Open Payments shows $1,477 in general payments to Dr. Walters from 17 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.
How long has Dr. John R. Walters been practicing?
Dr. Walters graduated from medical school in 1976, 50 years ago.
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