Dr. James E. Alonso, MD

  • Saint Louis, MO
  • Neurologist
NPI1063506566PAC ID8325214562
Medicare services, 2024
1,211
Medicare patients, 2024
514
Part D claims, 2024
3,174
Hospital affiliations
8
Industry payments
$16,845
Practice address
3015 N Ballas Rd, Saint Louis, MO 63131
Practice phone
Call (314) 996-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Missouri Baptist Medical Center

Hospital · Saint Louis, Missouri

See all 12 affiliations

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Dr. James E. Alonso is a neurologist in Saint Louis, Missouri

Dr. Alonso practices at Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health.

Dr. Alonso's NPI, 1063506566, was assigned on October 2, 2006. Dr. Alonso graduated from University of Missouri, Kansas City, School of Medicine in 1994. Dr. Alonso holds Missouri license 106036.

NPI and contact details
Medicare PAC ID
8325214562
NPI enumeration date
October 2, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(314) 996-5000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. James E. Alonso practices at Missouri Baptist Medical Center in Saint Louis, Missouri

Dr. Alonso's primary practice is Missouri Baptist Medical Center, at 3015 N Ballas Rd, Saint Louis, MO 63131 in St. Louis County. The practice phone is (314) 996-5000.

Source: Dmand AI Affiliation Data

Dr. James E. Alonso is affiliated with 10 sites of care and 2 medical groups

Dr. Alonso's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dr. Alonso is also affiliated with Barnes-Jewish Hospital. The medical group on file is BJC Medical Group. Dmand AI also links Dr. Alonso to 6 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 12 affiliations for Dr. Alonso

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. James E. Alonso's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alonso practices, 10 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Missouri Baptist Medical CenterAvailable with a free account
+9 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James E. Alonso is one of 403 neurologists in Missouri

Neurology is Dr. Alonso's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Alonso's licenses on file in 2 states: Missouri and Illinois.

Specialties and state licenses

  • Neurology, MissouriPrimaryLicense 106036 · taxonomy 2084N0400X
  • Illinois licenseLicense 036150767

Neurologists near Dr. Alonso

Counts of neurologists 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 E. Alonso billed Medicare for 1,211 services in 2024

CMS data shows 1,211 Medicare services from Dr. Alonso across 7 procedure codes in 2024, for 514 Medicare patients. Medicare paid $84,501 for them.

Medicare services, 20241,211
Medicare patients514
Paid by Medicare$84,501
Procedure codes7

Dr. Alonso's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,0322024: 1,16513%
Tests and treatments
2023: 312024: 4648%

Where Dr. Alonso's Medicare services took place, 2024

  • In an office22919%
  • In a facility98281%

Dr. Alonso compared with the Missouri median for neurologists, 2024

  • Dr. Alonso
  • Missouri median
Medicare services
1,211vs 3733.2 times
Medicare patients
514vs 2132.4 times
Part D claims
2,549vs 2659.6 times

Medians across 392 neurologists in Missouri with Dmand AI profiles that report each measure.

Dr. Alonso'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.

See all procedures by Dr. Alonso

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. James E. Alonso treated 514 Medicare patients in 2024, average age 73

CMS counts 514 Medicare patients who saw Dr. Alonso in 2024. The largest group is 75 to 84, with 174 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.07, 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. Alonso's median patient age at 71, with 59% women.

Medicare patients, 2024514
Average age73
Average risk score2.07
Also on Medicaid22%

Dr. Alonso's Medicare patients by age, 2024

Dr. Alonso's Medicare patients by sex, 2024

  • Women29457%
  • Men22043%

Chronic conditions among Dr. Alonso's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis62%
  4. Anxiety46%
  5. Mood disorders46%
  6. Depression43%
  7. Ischemic heart disease41%
  8. Stroke or TIA40%

Share of Medicare patients with each condition. A patient can have several.

Dr. Alonso's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. James E. Alonso wrote 3,174 Medicare Part D claims in 2024

In 2024, Dr. Alonso wrote 3,174 Medicare Part D claims for 417 patients. 88% of them were for generic drugs. CMS names the drug for 2,549 of them, across 68 drugs with 11 or more claims each, at $352,862 in total drug cost. In 2023, CMS named 2,254 claims across 65 drugs.

Part D claims, 20243,174
Drugs named by CMS68
Total drug cost$352,862
Part D patients417

Dr. Alonso's Part D claims by kind of drug, 2024

  • Generic2,796 claims88%
  • Brand-name307 claims10%
  • Other71 claims2%

Dr. Alonso'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. Alonso's Part D claims, 2024

  • Opioids2%70 of 3,174 claims
  • Antibiotics1%18 of 3,174 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: 2,2542024: 2,54913%

Drugs named by CMS: 68 in 2024, 65 in 2023.

See all prescribing by Dr. Alonso

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. James E. Alonso offers telehealth to Medicare patients

Dr. Alonso accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Alonso as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. James E. Alonso received $16,845 in industry payments from 2016 to 2025

CMS Open Payments shows 1,121 general payments to Dr. Alonso from 68 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $2,397.

General payments to Dr. Alonso by program year, 2016 to 2025

General payments to Dr. Alonso by kind, 2016 to 2025

$16.8Kin total
  • Food and beverage$16,53898%
  • Education$1891%
  • Speaker and faculty fees$1171%

Companies that paid Dr. Alonso the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Alonso

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. James E. Alonso graduated from University of Missouri, Kansas City, School of Medicine

Dr. Alonso graduated from University of Missouri, Kansas City, School of Medicine in 1994.

  1. Medical schoolUniversity of Missouri, Kansas City, School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. James E. Alonso's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. James E. Alonso

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 E. Alonso's NPI number?

Dr. James E. Alonso's NPI number is 1063506566. It was assigned on October 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James E. Alonso?

Dr. James E. Alonso is a neurologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. James E. Alonso practice?

Dr. Alonso practices at 3015 N Ballas Rd, Saint Louis, MO 63131. Dr. Alonso's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Alonso to 6 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. James E. Alonso's office phone number?

The practice phone on file for Dr. Alonso is (314) 996-5000.

What is Dr. James E. Alonso's medical license number?

Dr. Alonso holds Missouri license 106036, one of the licenses on file in 2 states.

Which states has Dr. James E. Alonso been licensed in?

Dmand AI has state licenses on file for Dr. Alonso in Missouri and Illinois.

Which hospitals is Dr. James E. Alonso affiliated with?

Dr. Alonso practices at Missouri Baptist Medical Center in Saint Louis, Missouri. Dr. Alonso is also affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Alonso to 6 more hospitals.

What medical group is Dr. James E. Alonso part of?

Dr. Alonso is linked to BJC Medical Group. Dmand AI links Dr. Alonso to 1 more medical group.

Does Dr. James E. Alonso accept Medicare?

Yes. CMS data shows Dr. Alonso billed Medicare for 1,211 services in 2024, and Dr. Alonso accepts Medicare assignment.

Does Dr. James E. Alonso offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Alonso as offering telehealth services.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. James E. Alonso see?

CMS counts 514 Medicare patients who saw Dr. Alonso in 2024, with an average age of 73.

What services does Dr. James E. Alonso bill to Medicare?

In 2024, Dr. Alonso's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, established patient (99214).

Where did Dr. James E. Alonso go to medical school?

Dr. Alonso graduated from University of Missouri, Kansas City, School of Medicine in 1994.

What drugs does Dr. James E. Alonso prescribe most?

In 2024 Medicare Part D data, Dr. Alonso's most prescribed drugs by claims were Levetiracetam, Gabapentin and Topiramate.

Has Dr. James E. Alonso received payments from drug or device companies?

CMS Open Payments shows $16,845 in general payments to Dr. Alonso from 68 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. James E. Alonso been practicing?

Dr. Alonso graduated from medical school in 1994, 32 years ago.

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