Dr. James B. Maguire, MD

  • Watsonville, CA
  • Emergency medicine physician
NPI1184644346PAC ID3779684766
Medicare services, 2024
668
Medicare patients, 2024
491
Part D claims, 2024
394
Affiliated sites
1
Medical group
1
Practice address
550 S Green Valley Rd, Watsonville, CA 95076
Practice phone
Call (650) 321-4121
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Palo Alto Medial Foundation

Watsonville, California

See all 3 affiliations

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Dr. James B. Maguire is an emergency medicine physician in Watsonville, California

Dr. Maguire practices at Palo Alto Medial Foundation in Watsonville, California.

Dr. Maguire's NPI, 1184644346, was assigned on July 20, 2006. Dr. Maguire graduated from George Washington University School of Medicine and Health Sciences in 2004. Dr. Maguire holds California license A94918.

NPI and contact details
Medicare PAC ID
3779684766
NPI enumeration date
July 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 321-4121
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
48
Medical school graduation
2004

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

Dr. James B. Maguire practices at Palo Alto Medial Foundation in Watsonville, California

Dr. Maguire's primary practice is Palo Alto Medial Foundation, at 550 S Green Valley Rd, Watsonville, CA 95076 in Santa Cruz County. The practice phone is (650) 321-4121.

  • Palo Alto Medial Foundation
    550 S Green Valley Rd, Watsonville, CA 95076 · Santa Cruz CountyPhone(650) 321-4121

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. James B. Maguire is affiliated with 2 sites of care and 1 medical group

Dr. Maguire's primary practice is Palo Alto Medial Foundation in Watsonville, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Maguire to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Maguire

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. James B. Maguire's practice

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

EHR by site
SiteEHR vendor and product
Palo Alto Medial FoundationAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James B. Maguire is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Maguire's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Maguire is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Maguire's licenses on file in 2 states: California and Washington.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A94918 · 2006 to 2026 · taxonomy 207P00000X
  • Washington license2007 to 2012

Emergency medicine physicians near Dr. Maguire

Counts of emergency medicine 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 B. Maguire billed Medicare for 668 services in 2024

CMS data shows 668 Medicare services from Dr. Maguire across 10 procedure codes in 2024, for 491 Medicare patients. Medicare paid $47,903 for them. Every service was in an office.

Medicare services, 2024668
Medicare patients491
Paid by Medicare$47,903
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 4292024: 49716%
Lab and pathology
2023: 1382024: 17124%

Dr. Maguire compared with the California median for emergency medicine physicians, 2024

  • Dr. Maguire
  • California median
Medicare services
668vs 2652.5 times
Medicare patients
491vs 2432.0 times
Part D claims
272vs 624.4 times

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Maguire'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. Maguire

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

Dr. James B. Maguire treated 491 Medicare patients in 2024, average age 74

CMS counts 491 Medicare patients who saw Dr. Maguire in 2024. The largest group is 65 to 74, with 238 patients. 66% of them have high cholesterol, and 56% have high blood pressure. 13% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Maguire's median patient age at 32, with 52% women.

Medicare patients, 2024491
Average age74
Average risk score0.90
Also on Medicaid13%

Dr. Maguire's Medicare patients by age, 2024

Dr. Maguire's Medicare patients by sex, 2024

  • Women30662%
  • Men18538%

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

  1. High cholesterol66%
  2. High blood pressure56%
  3. Arthritis41%
  4. Anxiety18%
  5. Mood disorders18%
  6. Diabetes16%
  7. Osteoporosis16%
  8. Atrial fibrillation15%

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

Dr. Maguire's patients across all payers

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

Patient panel by age, all payers

Median age 32

Patient panel by sex, all payers

  • Women52%
  • Men47%

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

Dr. James B. Maguire wrote 394 Medicare Part D claims in 2024

In 2024, Dr. Maguire wrote 394 Medicare Part D claims for 284 patients. 88% of them were for generic drugs. CMS names the drug for 272 of them, across 12 drugs with 11 or more claims each, at $3,431 in total drug cost. In 2023, CMS named 294 claims across 12 drugs.

Part D claims, 2024394
Drugs named by CMS12
Total drug cost$3,431
Part D patients284

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

  • Generic347 claims88%
  • Brand-name and other47 claims12%

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

  • Opioids4%14 of 394 claims
  • Antibiotics40%159 of 394 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: 2942024: 2727%

Drugs named by CMS: 12 in 2024, 12 in 2023.

See all prescribing by Dr. Maguire

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 B. Maguire takes part in Medicare

Dr. Maguire 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 B. Maguire has 1 award and honors on record

Dmand AI lists 1 award for Dr. Maguire, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Maguire

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. James B. Maguire graduated from George Washington University School of Medicine and Health Sciences

Dr. Maguire graduated from George Washington University School of Medicine and Health Sciences in 2004.

  1. Medical schoolGeorge Washington University School of Medicine and Health Sciences
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. James B. Maguire accepts plans from 11 insurance carriers

Dr. Maguire is in network with 11 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • United Healthcare
  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +3 more carriersWith a free account

Plan types Dr. Maguire accepts, by number of carriers

  1. PPO7
  2. HMO6
  3. EPO3
  4. Medicare2
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. James B. Maguire'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
Awards and committee rolesDmand AI Professional Profile Data
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 B. Maguire

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 B. Maguire's NPI number?

Dr. James B. Maguire's NPI number is 1184644346. It was assigned on July 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James B. Maguire?

Dr. James B. Maguire is an emergency medicine physician in Watsonville, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. James B. Maguire practice?

Dr. Maguire practices at 550 S Green Valley Rd, Watsonville, CA 95076. Dr. Maguire's primary practice is Palo Alto Medial Foundation in Watsonville, California. Dmand AI also links Dr. Maguire to 1 group practice or clinic.

What is Dr. James B. Maguire's office phone number?

The practice phone on file for Dr. Maguire is (650) 321-4121.

What is Dr. James B. Maguire's medical license number?

Dr. Maguire holds California license A94918, one of the licenses on file in 2 states.

Which states has Dr. James B. Maguire been licensed in?

Dmand AI has state licenses on file for Dr. Maguire in California (2006 to 2026) and Washington (2007 to 2012).

What medical group is Dr. James B. Maguire part of?

Dr. Maguire is linked to Palo Alto Foundation Medical Group.

Does Dr. James B. Maguire accept Medicare?

Yes. CMS data shows Dr. Maguire billed Medicare for 668 services in 2024, and Dr. Maguire accepts Medicare assignment.

How many Medicare patients does Dr. James B. Maguire see?

CMS counts 491 Medicare patients who saw Dr. Maguire in 2024, with an average age of 74.

Is Dr. James B. Maguire board certified?

Yes. Dr. Maguire is board certified in emergency medicine by the American Board of Emergency Medicine.

Show 5 more questionsShow fewer questions

What services does Dr. James B. Maguire bill to Medicare?

In 2024, Dr. Maguire's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and lab and pathology test (81003).

Where did Dr. James B. Maguire go to medical school?

Dr. Maguire graduated from George Washington University School of Medicine and Health Sciences in 2004.

What drugs does Dr. James B. Maguire prescribe most?

In 2024 Medicare Part D data, Dr. Maguire's most prescribed drugs by claims were Cephalexin, Amoxicillin-Clavulanate Potass and Albuterol Sulfate Hfa.

How long has Dr. James B. Maguire been practicing?

Dr. Maguire graduated from medical school in 2004, 22 years ago.

What insurance does Dr. James B. Maguire accept?

Dr. Maguire is in network with 11 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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