James W. Weitkamp, OD
- Medicare patients, 2024
- 373
- Part D claims, 2024
- 101
- Industry payments
- $16
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 18431 N 91st Ave, Peoria, AZ 85382
- Practice phone
- Call (219) 508-6465
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John R Tanner OD
Peoria, Arizona
Find James Weitkamp'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 W. Weitkamp is an optometrist in Peoria, Arizona
James Weitkamp practices at John R Tanner OD in Peoria, Arizona.
James Weitkamp's NPI, 1811040413, was assigned on January 19, 2007. James Weitkamp graduated from Southern California College of Optometry in 2006. James Weitkamp holds California license 13063.
- NPI
- 1811040413NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810092640
- NPI enumeration date
- January 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (219) 508-6465
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
James W. Weitkamp practices at John R Tanner OD in Peoria, Arizona
James Weitkamp's primary practice is John R Tanner OD, at 18431 N 91st Ave, Peoria, AZ 85382 in Maricopa County. The practice phone is (219) 508-6465.
- John R Tanner OD18431 N 91st Ave, Peoria, AZ 85382 · Maricopa CountyPhone(219) 508-6465
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
James W. Weitkamp is affiliated with 2 sites of care
James Weitkamp's primary practice is John R Tanner OD in Peoria, Arizona. Dmand AI also links James Weitkamp to 1 physician office, 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 W. Weitkamp's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Weitkamp practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John R Tanner OD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
James W. Weitkamp is one of 958 optometrists in Arizona
Optometrist is James Weitkamp's primary specialty in the NPI Registry, under taxonomy code 152W00000X. James Weitkamp is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near James Weitkamp
Counts of optometrists 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 W. Weitkamp treated 373 Medicare patients in 2024, average age 74
CMS counts 373 Medicare patients who saw James Weitkamp in 2024. The largest group is 65 to 74, with 218 patients. 74% of them have high cholesterol, and 60% have high blood pressure. 15% are also on Medicaid. Their average risk score is 0.80, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts James Weitkamp's median patient age at 70, with 56% women.
James Weitkamp's Medicare patients by age, 2024
James Weitkamp's Medicare patients by sex, 2024
- Women19953%
- Men17447%
Chronic conditions among James Weitkamp's Medicare patients, 2024
- High cholesterol74%
- High blood pressure60%
- Arthritis41%
- Ischemic heart disease16%
- Anxiety14%
- Cancer14%
- Diabetes14%
- Mood disorders14%
Share of Medicare patients with each condition. A patient can have several.
James Weitkamp's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James W. Weitkamp wrote 101 Medicare Part D claims in 2024
In 2024, James Weitkamp wrote 101 Medicare Part D claims for 44 patients. 61% of them were for generic drugs.
James Weitkamp's Part D claims by kind of drug, 2024
- Generic62 claims61%
- Brand-name39 claims39%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
James W. Weitkamp ranks in the 34th percentile for cataract surgery in Medicare
James Weitkamp accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of cataract surgery by James Weitkamp, more than 34% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where James Weitkamp ranks in Medicare procedure volume
- Cataract surgery
- 34th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
James W. Weitkamp received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to James Weitkamp from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $16.
Companies that paid James Weitkamp the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
James W. Weitkamp graduated from Southern California College of Optometry
James Weitkamp graduated from Southern California College of Optometry in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for James W. Weitkamp'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 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 (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) |
| 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 James W. Weitkamp
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 W. Weitkamp's NPI number?
James W. Weitkamp's NPI number is 1811040413. It was assigned on January 19, 2007, and it is active in the NPI Registry.
What does James W. Weitkamp specialize in?
James W. Weitkamp is an optometrist in Peoria, Arizona. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does James W. Weitkamp practice?
James Weitkamp practices at 18431 N 91st Ave, Peoria, AZ 85382. James Weitkamp's primary practice is John R Tanner OD in Peoria, Arizona. Dmand AI also links James Weitkamp to 1 physician office.
What is James W. Weitkamp's office phone number?
The practice phone on file for James Weitkamp is (219) 508-6465.
What is James W. Weitkamp's medical license number?
James Weitkamp holds California license 13063, one of 2 state licenses on file.
Does James W. Weitkamp accept Medicare?
Yes. CMS lists James Weitkamp as accepting Medicare assignment.
How many Medicare patients does James W. Weitkamp see?
CMS counts 373 Medicare patients who saw James Weitkamp in 2024, with an average age of 74.
Where did James W. Weitkamp go to medical school?
James Weitkamp graduated from Southern California College of Optometry in 2006.
Has James W. Weitkamp received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to James Weitkamp from 1 company from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has James W. Weitkamp been practicing?
James Weitkamp graduated from medical school in 2006, 20 years ago.
Selling to optometrist practices?
See optometrists in Arizona by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card