Dr. Nathan R. Weldon, MD
- Part D claims, 2024
- 4,771
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 1
- State license
- 1
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Weldon's professional email, personal email and mobile number
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Dr. Nathan R. Weldon is a general practice physician in Riverside, California
Dr. Weldon practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Dr. Weldon's NPI, 1427197235, was assigned on February 6, 2007. Dr. Weldon graduated from Loma Linda University School Of Medicine in 2001. Dr. Weldon's California license number on file is A95657.
- NPI
- 1427197235NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577757871
- NPI enumeration date
- February 6, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan R. Weldon practices at Riverside Medical Center in Riverside, California
Dr. Weldon's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Dr. Nathan R. Weldon is affiliated with 1 site of care and 1 medical group
Dr. Weldon's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan R. Weldon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weldon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan R. Weldon is one of 1,526 general practice physicians in California
General practice is Dr. Weldon's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Weldon is board certified in family medicine by the American Board of Family Medicine. Dr. Weldon has a license on file in California.
Specialties and state licenses
- General practice, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes among the conditions Dr. Weldon treats.
General practice physicians near Dr. Weldon
Counts of general practice physicians 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. Nathan R. Weldon's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Weldon's median patient age at 58, with 53% women.
Dr. Weldon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Nathan R. Weldon wrote 4,771 Medicare Part D claims in 2024
In 2024, Dr. Weldon wrote 4,771 Medicare Part D claims for 607 patients. 85% of them were for generic drugs. CMS names the drug for 4,301 of them, across 72 drugs with 11 or more claims each, at $146,251 in total drug cost. In 2023, CMS named 3,662 claims across 70 drugs.
Dr. Weldon's Part D claims by kind of drug, 2024
- Generic4,067 claims85%
- Brand-name555 claims12%
- Other149 claims3%
Dr. Weldon'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. Weldon's Part D claims, 2024
- Opioids4%190 of 4,771 claims
- Antibiotics2%77 of 4,771 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: 3,6622024: 4,30117%
Drugs named by CMS: 72 in 2024, 70 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. Nathan R. Weldon offers telehealth to Medicare patients
Dr. Weldon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Weldon as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nathan R. Weldon graduated from Loma Linda University School Of Medicine
Dr. Weldon graduated from Loma Linda University School Of Medicine in 2001.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Nathan R. Weldon accepts plans from 1 insurance carrier
Dr. Weldon is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Weldon accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Nathan R. Weldon'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 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) |
| 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. Nathan R. Weldon
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. Nathan R. Weldon's NPI number?
Dr. Nathan R. Weldon's NPI number is 1427197235. It was assigned on February 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan R. Weldon?
Dr. Nathan R. Weldon is a general practice physician in Riverside, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Nathan R. Weldon practice?
Dr. Weldon practices at 10800 Magnolia Avenue, Riverside, CA 92505. Dr. Weldon's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
What is Dr. Nathan R. Weldon's office phone number?
The practice phone on file for Dr. Weldon is (951) 353-2000.
What is Dr. Nathan R. Weldon's medical license number?
Dr. Weldon's California license number on file is A95657.
Which hospitals is Dr. Nathan R. Weldon affiliated with?
Dr. Weldon practices at Riverside Medical Center in Riverside, California.
What medical group is Dr. Nathan R. Weldon part of?
Dr. Weldon is linked to Southern California Permanente Medical Group.
Does Dr. Nathan R. Weldon accept Medicare?
Yes. CMS lists Dr. Weldon as accepting Medicare assignment.
Does Dr. Nathan R. Weldon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Weldon as offering telehealth services.
Is Dr. Nathan R. Weldon board certified?
Yes. Dr. Weldon is board certified in family medicine by the American Board of Family Medicine.
Show 4 more questionsShow fewer questions
Where did Dr. Nathan R. Weldon go to medical school?
Dr. Weldon graduated from Loma Linda University School Of Medicine in 2001.
What drugs does Dr. Nathan R. Weldon prescribe most?
In 2024 Medicare Part D data, Dr. Weldon's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Nathan R. Weldon been practicing?
Dr. Weldon graduated from medical school in 2001, 25 years ago.
What insurance does Dr. Nathan R. Weldon accept?
Dr. Weldon is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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