Dr. James Randolph Westerfield, MD
- Medicare services, 2024
- 301
- Medicare patients, 2024
- 123
- Part D claims, 2024
- 727
- Hospital affiliations
- 1
- Industry payments
- $1,401
- Practice address
- 5000 Hennessy Blvd, Baton Rouge, LA 70808
- Practice phone
- Call (225) 765-6565
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Westerfield'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 Randolph Westerfield is an internist in Baton Rouge, Louisiana
Dr. Westerfield practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, part of Franciscan Missionaries of Our Lady.
Dr. Westerfield's NPI, 1649271511, was assigned on August 2, 2005. Dr. Westerfield graduated from Louisiana State University School of Medicine in New Orleans in 1999. Dr. Westerfield holds Louisiana license 025540.
- NPI
- 1649271511NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840325460
- NPI enumeration date
- August 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (225) 765-6565
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Randolph Westerfield practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana
Dr. Westerfield's primary practice is Our Lady of the Lake Regional Medical Center, at 5000 Hennessy Blvd, Baton Rouge, LA 70808 in E. Baton Rouge Parish. The practice phone is (225) 765-6565.
- Our Lady of the Lake Regional Medical Center5000 Hennessy Blvd, Baton Rouge, LA 70808 · E. Baton Rouge ParishPhone(225) 765-6565
Source: Dmand AI Affiliation Data
Dr. James Randolph Westerfield is affiliated with 2 sites of care and 1 medical group
Dr. Westerfield's primary practice is Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, part of Franciscan Missionaries of Our Lady. The medical group on file is Our Lady of the Lake Physician Group. Dmand AI also links Dr. Westerfield to 1 more hospice, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Randolph Westerfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Westerfield practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Our Lady of the Lake Regional Medical Center | 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 Franciscan Missionaries of Our Lady and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Randolph Westerfield is one of 1,571 internists in Louisiana
Internal medicine is Dr. Westerfield's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Westerfield is licensed in Louisiana.
Specialties and state licenses
- Internal medicine, LouisianaPrimary
Internists near Dr. Westerfield
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. James Randolph Westerfield billed Medicare for 301 services in 2024
CMS data shows 301 Medicare services from Dr. Westerfield across 4 procedure codes in 2024, for 123 Medicare patients. Medicare paid $23,758 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Westerfield's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3982024: 30124%
Dr. Westerfield compared with the Louisiana median for internists, 2024
- Dr. Westerfield
- Louisiana median
- Medicare services
- 301vs 42129% below
- Medicare patients
- 123vs 16023% below
- Part D claims
- 397vs 408Close to median
Medians across 1,561 internists in Louisiana with Dmand AI profiles that report each measure.
Dr. Westerfield'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. Westerfield?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Westerfield and other internists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Randolph Westerfield treated 123 Medicare patients in 2024, average age 75
CMS counts 123 Medicare patients who saw Dr. Westerfield in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 2.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Westerfield's median patient age at 68, with 53% women.
Dr. Westerfield's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Westerfield's Medicare patients by sex, 2024
- Women7662%
- Men4738%
Chronic conditions among Dr. Westerfield's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes49%
- Chronic kidney disease46%
- Anxiety41%
- Ischemic heart disease41%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Westerfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Randolph Westerfield wrote 727 Medicare Part D claims in 2024
In 2024, Dr. Westerfield wrote 727 Medicare Part D claims for 238 patients. 90% of them were for generic drugs. CMS names the drug for 397 of them, across 18 drugs with 11 or more claims each, at $11,739 in total drug cost. In 2023, CMS named 391 claims across 21 drugs.
Dr. Westerfield's Part D claims by kind of drug, 2024
- Generic652 claims90%
- Brand-name75 claims10%
Dr. Westerfield'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. Westerfield's Part D claims, 2024
- Opioids6%45 of 727 claims
- Antibiotics13%91 of 727 claims
- Antipsychotics, patients 65 and over2%14 of 727 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: 3912024: 3972%
Drugs named by CMS: 18 in 2024, 21 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 Randolph Westerfield takes part in Medicare
Dr. Westerfield 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 Randolph Westerfield received $1,401 in industry payments from 2016 to 2024
CMS Open Payments shows 79 general payments to Dr. Westerfield from 18 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $349.
General payments to Dr. Westerfield by program year, 2016 to 2024
Companies that paid Dr. Westerfield the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Randolph Westerfield graduated from Louisiana State University School of Medicine in New Orleans
Dr. Westerfield graduated from Louisiana State University School of Medicine in New Orleans in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Randolph Westerfield'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. James Randolph Westerfield
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 Randolph Westerfield's NPI number?
Dr. James Randolph Westerfield's NPI number is 1649271511. It was assigned on August 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James Randolph Westerfield?
Dr. James Randolph Westerfield is an internist in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. James Randolph Westerfield practice?
Dr. Westerfield practices at 5000 Hennessy Blvd, Baton Rouge, LA 70808. Dr. Westerfield's primary practice is Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, part of Franciscan Missionaries of Our Lady. Dmand AI also links Dr. Westerfield to 1 hospice.
What is Dr. James Randolph Westerfield's office phone number?
The practice phone on file for Dr. Westerfield is (225) 765-6565.
What is Dr. James Randolph Westerfield's medical license number?
Dr. Westerfield holds Louisiana license 025540.
Which hospitals is Dr. James Randolph Westerfield affiliated with?
Dr. Westerfield practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana.
What medical group is Dr. James Randolph Westerfield part of?
Dr. Westerfield is linked to Our Lady of the Lake Physician Group.
Does Dr. James Randolph Westerfield accept Medicare?
Yes. CMS data shows Dr. Westerfield billed Medicare for 301 services in 2024, and Dr. Westerfield accepts Medicare assignment.
How many Medicare patients does Dr. James Randolph Westerfield see?
CMS counts 123 Medicare patients who saw Dr. Westerfield in 2024, with an average age of 75.
What services does Dr. James Randolph Westerfield bill to Medicare?
In 2024, Dr. Westerfield's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. James Randolph Westerfield go to medical school?
Dr. Westerfield graduated from Louisiana State University School of Medicine in New Orleans in 1999.
What drugs does Dr. James Randolph Westerfield prescribe most?
In 2024 Medicare Part D data, Dr. Westerfield's most prescribed drugs by claims were Pantoprazole Sodium, Ondansetron ODT and Prednisone.
Has Dr. James Randolph Westerfield received payments from drug or device companies?
CMS Open Payments shows $1,401 in general payments to Dr. Westerfield from 18 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. James Randolph Westerfield been practicing?
Dr. Westerfield graduated from medical school in 1999, 27 years ago.
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