Dr. James W. Rosbrugh Jr., MD

  • Bakersfield, CA
  • Emergency medicine physician
NPI1184603417PAC ID5193613339
Medicare services, 2024
376
Medicare patients, 2024
340
Part D claims, 2024
54
Publications
3
MIPS score, 2024
100
Practice address
1700 Mt Vernon Ave, Bakersfield, CA 93306
Practice phone
Call (661) 326-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kern County Hospital Authority

Bakersfield, California

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Dr. James W. Rosbrugh Jr. is an emergency medicine physician in Bakersfield, California

Dr. Rosbrugh practices at Kern County Hospital Authority in Bakersfield, California.

Dr. Rosbrugh's NPI, 1184603417, was assigned on January 13, 2006. Dr. Rosbrugh graduated from Loma Linda University School Of Medicine in 1993. Dr. Rosbrugh holds California license G81127.

NPI and contact details
Medicare PAC ID
5193613339
NPI enumeration date
January 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(661) 326-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

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

Dr. James W. Rosbrugh Jr. practices at Kern County Hospital Authority in Bakersfield, California

Dr. Rosbrugh's primary practice is Kern County Hospital Authority, at 1700 Mt Vernon Ave, Bakersfield, CA 93306 in Kern County. The practice phone is (661) 326-2000.

  • Kern County Hospital Authority
    1700 Mt Vernon Ave, Bakersfield, CA 93306 · Kern CountyPhone(661) 326-2000

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

Dr. James W. Rosbrugh Jr. is affiliated with 6 sites of care and 4 medical groups

Dr. Rosbrugh's primary practice is Kern County Hospital Authority in Bakersfield, California. Dr. Rosbrugh is also affiliated with Kern Medical. The medical group on file is Vituity. Dmand AI also links Dr. Rosbrugh to 1 more hospital, 3 group practices and clinics and 3 medical groups, each named with a free account.

See all 10 affiliations for Dr. Rosbrugh

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

Dmand AI tracks the EHR system at Dr. James W. Rosbrugh Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rosbrugh practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kern County Hospital AuthorityAvailable with a free account
+5 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James W. Rosbrugh Jr. is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Rosbrugh's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Rosbrugh is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Rosbrugh is licensed in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense G81127 · 1995 to 2026 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Rosbrugh

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 W. Rosbrugh Jr. billed Medicare for 376 services in 2024

CMS data shows 376 Medicare services from Dr. Rosbrugh across 6 procedure codes in 2024, for 340 Medicare patients. Medicare paid $32,845 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024376
Medicare patients340
Paid by Medicare$32,845
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 3352024: 3098%
Tests and treatments
2023: 622024: 5413%
Surgery
2023: 02024: 13

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

  • Dr. Rosbrugh
  • California median
Medicare services
376vs 26542% above
Medicare patients
340vs 24340% above
Part D claims
13vs 6279% below

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

Dr. Rosbrugh'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. Rosbrugh

Need commercial claims for Dr. Rosbrugh?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rosbrugh and other emergency medicine physicians in California.

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

Dr. James W. Rosbrugh Jr. treated 340 Medicare patients in 2024, average age 67

CMS counts 340 Medicare patients who saw Dr. Rosbrugh in 2024. The largest group is 65 to 74, with 122 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 77% are also on Medicaid. Their average risk score is 2.50, 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. Rosbrugh's median patient age at 54, with 48% women.

Medicare patients, 2024340
Average age67
Average risk score2.50
Also on Medicaid77%

Dr. Rosbrugh's Medicare patients by age, 2024

Dr. Rosbrugh's Medicare patients by sex, 2024

  • Women17150%
  • Men16950%

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

  1. High blood pressure75%
  2. High cholesterol74%
  3. Diabetes52%
  4. Arthritis47%
  5. Mood disorders46%
  6. Anxiety41%
  7. Depression39%
  8. Heart failure36%

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

Dr. Rosbrugh's patients across all payers

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

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women48%
  • Men52%

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

Dr. James W. Rosbrugh Jr. wrote 54 Medicare Part D claims in 2024

In 2024, Dr. Rosbrugh wrote 54 Medicare Part D claims for 40 patients. 93% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $75 in total drug cost. In 2022, CMS named 12 claims across 1 drug.

Part D claims, 202454
Drugs named by CMS1
Total drug cost$75
Part D patients40

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

  • Generic50 claims93%
  • Brand-name and other4 claims7%

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

  • Antibiotics33%18 of 54 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, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 122024: 138%

Drugs named by CMS: 1 in 2024, 1 in 2022.

See all prescribing by Dr. Rosbrugh

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 W. Rosbrugh Jr. scored 100 out of 100 in Medicare's MIPS program for 2024

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

Accepts Medicare assignment
Yes

Dr. Rosbrugh's MIPS scores, performance year 2024

  • 100of 100Final score
  • 92.6of 100Quality
  • 40of 100Improvement Activities

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

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

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Dr. James W. Rosbrugh Jr. has 3 publications on record

Dmand AI links 3 papers to Dr. Rosbrugh, published from 2018 to 2019. 2019 was the busiest year, with 2. Dr. Rosbrugh has published most often in Clin Pract Cases Emerg Med. Dr. Rosbrugh's most frequent co-authors are Kieron K. Barkataki, DO, Daniel Quesada, MD and Nathan Wang, MD.

Papers3
Years published2018 to 2019

Dr. Rosbrugh's most frequent co-authors

Recent publications by Dr. Rosbrugh

See all 3 publications and co-authors

See who Dr. Rosbrugh researches with

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

How network discovery works

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

Dr. James W. Rosbrugh Jr. received $27 in industry payments from 2017 to 2020

CMS Open Payments shows 2 general payments to Dr. Rosbrugh from 1 drug or device company from 2017 to 2020. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $27.

General payments to Dr. Rosbrugh by program year, 2017 to 2020

Companies that paid Dr. Rosbrugh the most, 2017 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Rosbrugh

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

Dr. James W. Rosbrugh Jr. graduated from Loma Linda University School Of Medicine

Dr. Rosbrugh graduated from Loma Linda University School Of Medicine in 1993.

  1. Medical schoolLoma Linda University School Of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. James W. Rosbrugh Jr. accepts plans from 2 insurance carriers

Dr. Rosbrugh is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Massachusetts
  • CMS Medicare

Plan types Dr. Rosbrugh accepts, by number of carriers

  1. Medicare2
  2. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. James W. Rosbrugh Jr.'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 W. Rosbrugh Jr.

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 W. Rosbrugh Jr.'s NPI number?

Dr. James W. Rosbrugh Jr.'s NPI number is 1184603417. It was assigned on January 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James W. Rosbrugh Jr.?

Dr. James W. Rosbrugh Jr. is an emergency medicine physician in Bakersfield, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. James W. Rosbrugh Jr. practice?

Dr. Rosbrugh practices at 1700 Mt Vernon Ave, Bakersfield, CA 93306. Dr. Rosbrugh's primary practice is Kern County Hospital Authority in Bakersfield, California. Dmand AI also links Dr. Rosbrugh to 1 hospital, 3 group practices and clinics and 3 medical groups.

What is Dr. James W. Rosbrugh Jr.'s office phone number?

The practice phone on file for Dr. Rosbrugh is (661) 326-2000.

What is Dr. James W. Rosbrugh Jr.'s medical license number?

Dr. Rosbrugh holds California license G81127.

Which hospitals is Dr. James W. Rosbrugh Jr. affiliated with?

Dr. Rosbrugh is affiliated with Kern Medical. Dmand AI links Dr. Rosbrugh to 1 more hospital.

What medical group is Dr. James W. Rosbrugh Jr. part of?

Dr. Rosbrugh is linked to Vituity. Dmand AI links Dr. Rosbrugh to 3 more medical groups.

Does Dr. James W. Rosbrugh Jr. accept Medicare?

Yes. CMS data shows Dr. Rosbrugh billed Medicare for 376 services in 2024, and Dr. Rosbrugh accepts Medicare assignment.

What is Dr. James W. Rosbrugh Jr.'s MIPS score?

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

How many Medicare patients does Dr. James W. Rosbrugh Jr. see?

CMS counts 340 Medicare patients who saw Dr. Rosbrugh in 2024, with an average age of 67.

Show 9 more questionsShow fewer questions

Is Dr. James W. Rosbrugh Jr. board certified?

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

What services does Dr. James W. Rosbrugh Jr. bill to Medicare?

In 2024, Dr. Rosbrugh's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and heart test or procedure (93010).

Where did Dr. James W. Rosbrugh Jr. go to medical school?

Dr. Rosbrugh graduated from Loma Linda University School Of Medicine in 1993.

What drugs does Dr. James W. Rosbrugh Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Rosbrugh's most prescribed drugs by claims were Cephalexin.

Has Dr. James W. Rosbrugh Jr. received payments from drug or device companies?

CMS Open Payments shows $27 in general payments to Dr. Rosbrugh from 1 company from 2017 to 2020. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. James W. Rosbrugh Jr. been practicing?

Dr. Rosbrugh graduated from medical school in 1993, 33 years ago.

Does Dr. James W. Rosbrugh Jr. do research?

Dmand AI links 3 publications to Dr. Rosbrugh, published from 2018 to 2019.

Who does Dr. James W. Rosbrugh Jr. publish with?

Dr. Rosbrugh's most frequent co-authors are Kieron K. Barkataki, DO (2 shared papers), Daniel Quesada, MD (2 shared papers) and Nathan Wang, MD (2 shared papers).

What insurance does Dr. James W. Rosbrugh Jr. accept?

Dr. Rosbrugh is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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