Dr. James Michael Herrold, MD
- Medicare services, 2024
- 211
- Medicare patients, 2024
- 166
- Part D claims, 2024
- 2,086
- Hospital affiliations
- 1
- Industry payments
- $13,695
- Practice address
- 3875 E Overland Rd, Meridian, ID 83642
- Practice phone
- Call (208) 343-6200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Les Bois Neurology Chartered
Meridian, Idaho
Find Dr. Herrold'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 Michael Herrold is a neurologist in Meridian, Idaho
Dr. Herrold practices at Les Bois Neurology Chartered in Meridian, Idaho.
Dr. Herrold's NPI, 1235166885, was assigned on June 27, 2006. Dr. Herrold graduated from University of Iowa, RJ & L Carver College of Medicine in 1989. Dr. Herrold holds Idaho license M7321.
- NPI
- 1235166885NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002903184
- NPI enumeration date
- June 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (208) 343-6200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Michael Herrold practices at Les Bois Neurology Chartered in Meridian, Idaho
Dr. Herrold's primary practice is Les Bois Neurology Chartered, at 3875 E Overland Rd, Meridian, ID 83642 in Ada County. The practice phone is (208) 343-6200.
- Les Bois Neurology Chartered3875 E Overland Rd, Meridian, ID 83642 · Ada CountyPhone(208) 343-6200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James Michael Herrold is affiliated with 3 sites of care and 1 medical group
Dr. Herrold's primary practice is Les Bois Neurology Chartered in Meridian, Idaho. Dr. Herrold is also affiliated with St. Luke's Boise Medical Center. The medical group on file is Les Bois Neurology. Dmand AI also links Dr. Herrold to 1 more group practice or clinic, 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 Dr. James Michael Herrold's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herrold practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Les Bois Neurology Chartered | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Michael Herrold is one of 65 neurologists in Idaho
Neurology is Dr. Herrold's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Herrold is licensed in Idaho.
Specialties and state licenses
- Neurology, IdahoPrimary
Neurologists near Dr. Herrold
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 Michael Herrold billed Medicare for 211 services in 2024
CMS data shows 211 Medicare services from Dr. Herrold across 4 procedure codes in 2024, all of them office visits, for 166 Medicare patients. Medicare paid $20,818 for them. Every service was in an office.
Dr. Herrold's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2112024: 211No change
Dr. Herrold compared with the Idaho median for neurologists, 2024
- Dr. Herrold
- Idaho median
- Medicare services
- 211vs 40848% below
- Medicare patients
- 166vs 20117% below
- Part D claims
- 1,883vs 6622.8 times
Medians across 71 neurologists in Idaho with Dmand AI profiles that report each measure.
Dr. Herrold'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Herrold and other neurologists in Idaho.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Michael Herrold treated 166 Medicare patients in 2024, average age 74
CMS counts 166 Medicare patients who saw Dr. Herrold in 2024. The largest group is 65 to 74, with 77 patients. 70% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Herrold's median patient age at 63, with 59% women.
Dr. Herrold's Medicare patients by age, 2024
Dr. Herrold's Medicare patients by sex, 2024
- Women8350%
- Men8350%
Chronic conditions among Dr. Herrold's Medicare patients, 2024
- High cholesterol70%
- High blood pressure66%
- Arthritis55%
- Mood disorders33%
- Depression31%
- Anxiety28%
- Chronic kidney disease28%
- Diabetes22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herrold's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
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 Michael Herrold wrote 2,086 Medicare Part D claims in 2024
In 2024, Dr. Herrold wrote 2,086 Medicare Part D claims for 283 patients. 93% of them were for generic drugs. CMS names the drug for 1,883 of them, across 41 drugs with 11 or more claims each, at $289,092 in total drug cost. In 2023, CMS named 1,967 claims across 46 drugs.
Dr. Herrold's Part D claims by kind of drug, 2024
- Generic1,946 claims93%
- Brand-name128 claims6%
- Other12 claims1%
Dr. Herrold'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. Herrold's Part D claims, 2024
- Opioids2%46 of 2,086 claims
- Antipsychotics, patients 65 and over1%15 of 2,086 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: 1,9672024: 1,8834%
Drugs named by CMS: 41 in 2024, 46 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 Michael Herrold takes part in Medicare
Dr. Herrold 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 Michael Herrold received $13,695 in industry payments from 2016 to 2025
CMS Open Payments shows 412 general payments to Dr. Herrold from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 69% of the total. Biogen, Inc. paid the most, $5,073.
General payments to Dr. Herrold by program year, 2016 to 2025
General payments to Dr. Herrold by kind, 2016 to 2025
- Food and beverage$9,48969%
- Consulting fees$3,00022%
- Travel and lodging$7766%
- Education$3923%
- Speaker and faculty fees$390%
Companies that paid Dr. Herrold 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 Michael Herrold graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Herrold graduated from University of Iowa, RJ & L Carver College of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Michael Herrold'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 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 Michael Herrold
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 Michael Herrold's NPI number?
Dr. James Michael Herrold's NPI number is 1235166885. It was assigned on June 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Michael Herrold?
Dr. James Michael Herrold is a neurologist in Meridian, Idaho. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. James Michael Herrold practice?
Dr. Herrold practices at 3875 E Overland Rd, Meridian, ID 83642. Dr. Herrold's primary practice is Les Bois Neurology Chartered in Meridian, Idaho. Dmand AI also links Dr. Herrold to 1 group practice or clinic.
What is Dr. James Michael Herrold's office phone number?
The practice phone on file for Dr. Herrold is (208) 343-6200.
What is Dr. James Michael Herrold's medical license number?
Dr. Herrold holds Idaho license M7321.
Which hospitals is Dr. James Michael Herrold affiliated with?
Dr. Herrold is affiliated with St. Luke's Boise Medical Center.
What medical group is Dr. James Michael Herrold part of?
Dr. Herrold is linked to Les Bois Neurology.
Does Dr. James Michael Herrold accept Medicare?
Yes. CMS data shows Dr. Herrold billed Medicare for 211 services in 2024, and Dr. Herrold accepts Medicare assignment.
How many Medicare patients does Dr. James Michael Herrold see?
CMS counts 166 Medicare patients who saw Dr. Herrold in 2024, with an average age of 74.
What services does Dr. James Michael Herrold bill to Medicare?
In 2024, Dr. Herrold's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99205).
Show 4 more questionsShow fewer questions
Where did Dr. James Michael Herrold go to medical school?
Dr. Herrold graduated from University of Iowa, RJ & L Carver College of Medicine in 1989.
What drugs does Dr. James Michael Herrold prescribe most?
In 2024 Medicare Part D data, Dr. Herrold's most prescribed drugs by claims were Carbidopa-Levodopa, Gabapentin and Memantine HCl.
Has Dr. James Michael Herrold received payments from drug or device companies?
CMS Open Payments shows $13,695 in general payments to Dr. Herrold from 37 companies from 2016 to 2025. The largest total came from Biogen, Inc.
How long has Dr. James Michael Herrold been practicing?
Dr. Herrold graduated from medical school in 1989, 37 years ago.
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