Dr. James Keller Wortham, MD
- Medicare services, 2024
- 520
- Medicare patients, 2024
- 124
- Part D claims, 2024
- 2,862
- Hospital affiliations
- 2
- Industry payments
- $583
- Practice address
- 2258 Foothill Blvd Suite 200 Suite 200, La Canada, CA 91011-1472
- Practice phone
- Call (818) 248-8998
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optimum Medical Group North
Primary care practice · La Canada, California
Find Dr. Wortham'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. James Keller Wortham is a general practice physician in La Canada Flintridge, California
Dr. Wortham practices at Optimum Medical Group North in La Canada, California.
Dr. Wortham's NPI, 1528114410, was assigned on January 25, 2007. Dr. Wortham graduated from Georgetown University School Of Medicine in 2003. Dr. Wortham holds California license A88510.
- NPI
- 1528114410NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557445822
- NPI enumeration date
- January 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 248-8998
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Keller Wortham practices at Optimum Medical Group North in La Canada, California
Dr. Wortham's primary practice is Optimum Medical Group North, at 2258 Foothill Blvd Suite 200 Suite 200, La Canada, CA 91011-1472. The practice phone is (818) 248-8998.
- Optimum Medical Group North2258 Foothill Blvd Suite 200 Suite 200, La Canada, CA 91011-1472Phone(818) 248-8998
Source: Dmand AI Affiliation Data
Dr. James Keller Wortham is affiliated with 4 sites of care and 1 medical group
Dr. Wortham's primary practice is Optimum Medical Group North in La Canada, California. Dr. Wortham is also affiliated with USC Verdugo Hills Hospital. The medical group on file is Optimum Medical Group La Canada. Dmand AI also links Dr. Wortham to 1 more hospital and 1 physician office, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James Keller Wortham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wortham practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Optimum Medical Group North | 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. James Keller Wortham is one of 1,526 general practice physicians in California
General practice is Dr. Wortham's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dmand AI has Dr. Wortham's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- General practice, CaliforniaPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, atrial fibrillation and flutter, chronic diabetes, chronic hypertension, chronic kidney disease, contact dermatitis and coronary artery disease among the conditions Dr. Wortham treats.
General practice physicians near Dr. Wortham
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. James Keller Wortham billed Medicare for 520 services in 2024
CMS data shows 520 Medicare services from Dr. Wortham across 8 procedure codes in 2024, for 124 Medicare patients. Medicare paid $39,785 for them. Every service was in an office.
Dr. Wortham's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2642024: 33125%
- Other services
- 2023: 562024: 147163%
- Surgery
- 2023: 212024: 3043%
- Tests and treatments
- 2023: 02024: 12
Dr. Wortham compared with the California median for general practice physicians, 2024
- Dr. Wortham
- California median
- Medicare services
- 520vs 26298% above
- Medicare patients
- 124vs 1369% below
- Part D claims
- 2,319vs 19212.1 times
Medians across 1,114 general practice physicians in California with Dmand AI profiles that report each measure.
Dr. Wortham'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. Wortham?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wortham and other general practice physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Keller Wortham treated 124 Medicare patients in 2024, average age 74
CMS counts 124 Medicare patients who saw Dr. Wortham in 2024. The largest group is 65 to 74, with 73 patients. 74% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 0.69, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wortham's median patient age at 65, with 37% women.
Dr. Wortham's Medicare patients by age, 2024
Dr. Wortham's Medicare patients by sex, 2024
- Women3730%
- Men8770%
Chronic conditions among Dr. Wortham's Medicare patients, 2024
- High blood pressure74%
- High cholesterol73%
- Arthritis36%
- Ischemic heart disease30%
- Diabetes24%
- Cancer16%
- Chronic kidney disease15%
- Anxiety14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wortham's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women37%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Keller Wortham wrote 2,862 Medicare Part D claims in 2024
In 2024, Dr. Wortham wrote 2,862 Medicare Part D claims for 325 patients. 86% of them were for generic drugs. CMS names the drug for 2,319 of them, across 56 drugs with 11 or more claims each, at $200,780 in total drug cost. In 2023, CMS named 1,484 claims across 45 drugs.
Dr. Wortham's Part D claims by kind of drug, 2024
- Generic2,464 claims86%
- Brand-name and other398 claims14%
Dr. Wortham'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. Wortham's Part D claims, 2024
- Opioids1%29 of 2,862 claims
- Antibiotics1%37 of 2,862 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: 1,4842024: 2,31956%
Drugs named by CMS: 56 in 2024, 45 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. James Keller Wortham takes part in Medicare
Dr. Wortham 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. James Keller Wortham received $583 in industry payments from 2016 to 2025
CMS Open Payments shows 33 general payments to Dr. Wortham from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. EMD Serono, Inc. paid the most, $341.
General payments to Dr. Wortham by program year, 2016 to 2025
Companies that paid Dr. Wortham 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. James Keller Wortham graduated from Georgetown University School Of Medicine
Dr. Wortham graduated from Georgetown University School Of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. James Keller Wortham accepts plans from 16 insurance carriers
Dr. Wortham is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Wortham accepts, by number of carriers
- PPO9
- HMO8
- Medicare8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. James Keller Wortham'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 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 |
| 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. James Keller Wortham
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. James Keller Wortham's NPI number?
Dr. James Keller Wortham's NPI number is 1528114410. It was assigned on January 25, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. James Keller Wortham?
Dr. James Keller Wortham is a general practice physician in La Canada Flintridge, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. James Keller Wortham practice?
Dr. Wortham practices at 2258 Foothill Blvd Suite 200 Suite 200, La Canada, CA 91011-1472. Dr. Wortham's primary practice is Optimum Medical Group North in La Canada, California. Dmand AI also links Dr. Wortham to 1 hospital and 1 physician office.
What is Dr. James Keller Wortham's office phone number?
The practice phone on file for Dr. Wortham is (818) 248-8998.
What is Dr. James Keller Wortham's medical license number?
Dr. Wortham holds California license A88510, one of the licenses on file in 2 states.
Which states has Dr. James Keller Wortham been licensed in?
Dmand AI has state licenses on file for Dr. Wortham in California (2004 to 2026) and Pennsylvania (2003 to 2004).
Which hospitals is Dr. James Keller Wortham affiliated with?
Dr. Wortham is affiliated with USC Verdugo Hills Hospital. Dmand AI links Dr. Wortham to 1 more hospital.
What medical group is Dr. James Keller Wortham part of?
Dr. Wortham is linked to Optimum Medical Group La Canada.
Does Dr. James Keller Wortham accept Medicare?
Yes. CMS data shows Dr. Wortham billed Medicare for 520 services in 2024, and Dr. Wortham accepts Medicare assignment.
How many Medicare patients does Dr. James Keller Wortham see?
CMS counts 124 Medicare patients who saw Dr. Wortham in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
What services does Dr. James Keller Wortham bill to Medicare?
In 2024, Dr. Wortham's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and care management and other visits (99497).
Where did Dr. James Keller Wortham go to medical school?
Dr. Wortham graduated from Georgetown University School Of Medicine in 2003.
What drugs does Dr. James Keller Wortham prescribe most?
In 2024 Medicare Part D data, Dr. Wortham's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Dr. James Keller Wortham received payments from drug or device companies?
CMS Open Payments shows $583 in general payments to Dr. Wortham from 6 companies from 2016 to 2025. The largest total came from EMD Serono, Inc.
How long has Dr. James Keller Wortham been practicing?
Dr. Wortham graduated from medical school in 2003, 23 years ago.
What insurance does Dr. James Keller Wortham accept?
Dr. Wortham is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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