Dr. James C. Guth, MD

  • Loma Linda, CA
  • Neurologist
NPI1992978423PAC ID4284851551
Medicare services, 2024
248
Medicare patients, 2024
93
Part D claims, 2024
53
Publications
14
MIPS score, 2024
89
Practice address
11234 Anderson St, Loma Linda, CA 92354
Practice phone
Call (909) 558-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Loma Linda University Medical Center

Hospital · Loma Linda, California

See all 4 affiliations

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Dr. James C. Guth is a neurologist in Loma Linda, California

Dr. Guth practices at Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.

Dr. Guth's NPI, 1992978423, was assigned on April 4, 2008. Dr. Guth graduated from Loma Linda University School Of Medicine in 2008. Dr. Guth's California license number on file is A110008.

NPI and contact details
Medicare PAC ID
4284851551
NPI enumeration date
April 4, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 558-4000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. James C. Guth practices at Loma Linda University Medical Center in Loma Linda, California

Dr. Guth's primary practice is Loma Linda University Medical Center, at 11234 Anderson St, Loma Linda, CA 92354 in San Bernardino County. The practice phone is (909) 558-4000.

Source: Dmand AI Affiliation Data

Dr. James C. Guth is affiliated with 3 sites of care and 1 medical group

Dr. Guth's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Dr. Guth is also affiliated with San Gorgonio Memorial Hospital. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Guth to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Guth

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

Dmand AI tracks the EHR system at Dr. James C. Guth's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guth practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Loma Linda University Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Seventh-day Adventist Church and 6.2K+ hospitals, with verified contacts in the same login.

Dr. James C. Guth is one of 2,207 neurologists in California

Neurology is Dr. Guth's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Guth is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Guth's licenses on file in 2 states: California and Illinois.

Specialties and state licenses

  • Neurology, CaliforniaPrimaryLicense A110008 · 2009 to 2025 · taxonomy 2084N0400X
  • Illinois licenseLicense 036129994 · 2012 to 2017

Neurologists near Dr. Guth

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 C. Guth billed Medicare for 248 services in 2024

CMS data shows 248 Medicare services from Dr. Guth across 4 procedure codes in 2024, for 93 Medicare patients. Medicare paid $15,020 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024248
Medicare patients93
Paid by Medicare$15,020
Procedure codes4

Dr. Guth compared with the California median for neurologists, 2024

  • Dr. Guth
  • California median
Medicare services
248vs 40439% below
Medicare patients
93vs 19051% below
Part D claims
15vs 32495% below

Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.

Dr. Guth'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. Guth

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

Dr. James C. Guth treated 93 Medicare patients in 2024, average age 72

CMS counts 93 Medicare patients who saw Dr. Guth in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 63% are also on Medicaid. Their average risk score is 2.30, 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. Guth's median patient age at 63, with 52% women.

Medicare patients, 202493
Average age72
Average risk score2.30
Also on Medicaid63%

Dr. Guth's Medicare patients by age, 2024

Dr. Guth's Medicare patients by sex, 2024

  • Women4751%
  • Men4649%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Stroke or TIA75%
  4. Arthritis53%
  5. Diabetes52%
  6. Heart failure44%
  7. Chronic kidney disease42%
  8. Ischemic heart disease41%

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

Dr. Guth'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

  • Women52%
  • Men48%

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

Dr. James C. Guth wrote 53 Medicare Part D claims in 2024

In 2024, Dr. Guth wrote 53 Medicare Part D claims for 21 patients. 85% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $139 in total drug cost.

Part D claims, 202453
Drugs named by CMS1
Total drug cost$139
Part D patients21

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

  • Generic45 claims85%
  • Brand-name and other8 claims15%

Dr. Guth'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.

See all prescribing by Dr. Guth

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 C. Guth scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Guth for performance year 2024, reported as part of a group. Dr. Guth accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Guth's MIPS scores, performance year 2024

  • 89of 100Final score
  • 72.1of 100Quality
  • 80of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Coronary artery bypass graft (CABG): 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. James C. Guth has 14 publications on record

Dmand AI links 14 papers to Dr. Guth, published from 2013 to 2015. 2014 was the busiest year, with 4. The most frequent topics are Cerebral Hemorrhage, Intensive Care Units and Subarachnoid Hemorrhage. Dr. Guth has published most often in J Stroke Cerebrovasc Dis. Dr. Guth's most frequent co-authors are Andrew Naidech, MD, Bernard R. Bendok, MD and Mandeep Singh, MD.

Papers14
Years published2013 to 2015

Dr. Guth's papers by year, 2013 to 2015

Topics Dr. Guth writes about most

  • Cerebral Hemorrhage
  • Intensive Care Units
  • Subarachnoid Hemorrhage
  • Tomography, X-Ray Computed
  • Magnetic Resonance Imaging
  • Brain
  • Disease Progression
  • Glasgow Coma Scale

Dr. Guth's most frequent co-authors

Recent publications by Dr. Guth

See all 14 publications and co-authors

See who Dr. Guth researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Guth works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. James C. Guth graduated from Loma Linda University School Of Medicine

Dr. Guth graduated from Loma Linda University School Of Medicine in 2008.

  1. Medical schoolLoma Linda University School Of Medicine
  2. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. James C. Guth accepts plans from 11 insurance carriers

Dr. Guth is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • Alliant Health Plans
  • +3 more carriersWith a free account

Plan types Dr. Guth accepts, by number of carriers

  1. Medicare8
  2. HMO7
  3. PPO6
  4. POS3
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. James C. Guth'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 C. Guth

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 C. Guth's NPI number?

Dr. James C. Guth's NPI number is 1992978423. It was assigned on April 4, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. James C. Guth?

Dr. James C. Guth is a neurologist in Loma Linda, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. James C. Guth practice?

Dr. Guth practices at 11234 Anderson St, Loma Linda, CA 92354. Dr. Guth's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Dmand AI also links Dr. Guth to 1 group practice or clinic.

What is Dr. James C. Guth's office phone number?

The practice phone on file for Dr. Guth is (909) 558-4000.

What is Dr. James C. Guth's medical license number?

Dr. Guth's California license number on file is A110008, one of the licenses on file in 2 states.

Which states has Dr. James C. Guth been licensed in?

Dmand AI has state licenses on file for Dr. Guth in California (2009 to 2025) and Illinois (2012 to 2017).

Which hospitals is Dr. James C. Guth affiliated with?

Dr. Guth practices at Loma Linda University Medical Center in Loma Linda, California. Dr. Guth is also affiliated with San Gorgonio Memorial Hospital.

What medical group is Dr. James C. Guth part of?

Dr. Guth is linked to Loma Linda University Faculty Medical Group (LLUFMG).

Does Dr. James C. Guth accept Medicare?

Yes. CMS data shows Dr. Guth billed Medicare for 248 services in 2024, and Dr. Guth accepts Medicare assignment.

What is Dr. James C. Guth's MIPS score?

Dr. Guth's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. James C. Guth see?

CMS counts 93 Medicare patients who saw Dr. Guth in 2024, with an average age of 72.

Is Dr. James C. Guth board certified?

Yes. Dr. Guth is board certified in neurology by the American Board of Psychiatry and Neurology.

What services does Dr. James C. Guth bill to Medicare?

In 2024, Dr. Guth's most billed Medicare services were hospital inpatient care (99231), critical care (99291) and hospital inpatient care (99221).

Where did Dr. James C. Guth go to medical school?

Dr. Guth graduated from Loma Linda University School Of Medicine in 2008.

What drugs does Dr. James C. Guth prescribe most?

In 2024 Medicare Part D data, Dr. Guth's most prescribed drugs by claims were Atorvastatin Calcium.

How long has Dr. James C. Guth been practicing?

Dr. Guth graduated from medical school in 2008, 18 years ago.

Does Dr. James C. Guth do research?

Dmand AI links 14 publications to Dr. Guth, published from 2013 to 2015.

Who does Dr. James C. Guth publish with?

Dr. Guth's most frequent co-authors are Andrew Naidech, MD (4 shared papers), Bernard R. Bendok, MD (2 shared papers) and Mandeep Singh, MD (2 shared papers).

What insurance does Dr. James C. Guth accept?

Dr. Guth is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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