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Dr. James B. Grimes, MD
NPI1215040845PAC ID3476649591
- Medicare services, 2024
- 372
- Medicare patients, 2024
- 140
- Part D claims, 2024
- 122
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 9330 Stockdale Hwy, Bakersfield, CA 93311-3616
- Practice phone
- Call (661) 324-2491
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kern Bone and Joint Specialists, A Medical Group, Inc.
Physician office · Bakersfield, California
Find Dr. Grimes' 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 B. Grimes is an orthopedic surgeon in Bakersfield, California
Dr. Grimes practices at Kern Bone and Joint Specialists, A Medical Group, Inc. in Bakersfield, California.
Dr. Grimes' NPI, 1215040845, was assigned on August 17, 2006. Dr. Grimes holds California license G54924.
NPI and contact details
- NPI
- 1215040845NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476649591
- NPI enumeration date
- August 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (661) 324-2491
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James B. Grimes practices at Kern Bone and Joint Specialists, A Medical Group, Inc. in Bakersfield, California
Dr. Grimes' primary practice is Kern Bone and Joint Specialists, A Medical Group, Inc., at 9330 Stockdale Hwy, Bakersfield, CA 93311-3616. The practice phone is (661) 324-2491.
- Kern Bone and Joint Specialists, A Medical Group, Inc.9330 Stockdale Hwy, Bakersfield, CA 93311-3616Phone(661) 324-2491
Source: Dmand AI Affiliation Data
Dr. James B. Grimes is affiliated with 5 sites of care
Dr. Grimes' primary practice is Kern Bone and Joint Specialists, A Medical Group, Inc. in Bakersfield, California. Dr. Grimes is also affiliated with Adventist Health Bakersfield. Dmand AI also links Dr. Grimes to 3 more hospitals, each named with a free account.
Kern Bone and Joint Specialists, A Medical Group, Inc.Primary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James B. Grimes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grimes practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kern Bone and Joint Specialists, A Medical Group, Inc. | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James B. Grimes is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Grimes' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Grimes is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Grimes is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists arthritis, bursitis, carpal tunnel syndrome, fluid in a joint, hand joint or tendon inflammation, hip replacement, joint pain and knee arthroscopy among the conditions Dr. Grimes treats.
Orthopedic surgeons near Dr. Grimes
Counts of orthopedic surgeons 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. Grimes billed Medicare for 372 services in 2024
CMS data shows 372 Medicare services from Dr. Grimes across 8 procedure codes in 2024, for 140 Medicare patients. Medicare paid $23,779 for them.
Medicare services, 2024372
Medicare patients140
Paid by Medicare$23,779
Procedure codes8
Dr. Grimes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2452024: 2325%
- Drugs given in the office
- 2023: 902024: 11730%
- Surgery
- 2023: 952024: 2376%
Where Dr. Grimes' Medicare services took place, 2024
- In an office34994%
- In a facility236%
Dr. Grimes compared with the California median for orthopedic surgeons, 2024
- Dr. Grimes
- California median
- Medicare services
- 372vs 68346% below
- Medicare patients
- 140vs 21535% below
- Part D claims
- 87vs 7024% above
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Grimes' 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.
Need commercial claims for Dr. Grimes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grimes and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James B. Grimes treated 140 Medicare patients in 2024, average age 73
CMS counts 140 Medicare patients who saw Dr. Grimes in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have arthritis, and 75% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grimes' median patient age at 58, with 53% women.
Medicare patients, 2024140
Average age73
Average risk score1.26
Also on Medicaid29%
Dr. Grimes' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grimes' Medicare patients by sex, 2024
- Women7654%
- Men6446%
Chronic conditions among Dr. Grimes' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes42%
- Ischemic heart disease38%
- Anxiety24%
- Mood disorders23%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grimes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James B. Grimes wrote 122 Medicare Part D claims in 2024
In 2024, Dr. Grimes wrote 122 Medicare Part D claims for 43 patients. 99% of them were for generic drugs. CMS names the drug for 87 of them, across 3 drugs with 11 or more claims each, at $463 in total drug cost. In 2023, CMS named 138 claims across 6 drugs.
Part D claims, 2024122
Drugs named by CMS3
Total drug cost$463
Part D patients43
Dr. Grimes' Part D claims by kind of drug, 2024
- Generic121 claims99%
- Brand-name and other1 claims1%
Dr. Grimes' 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. Grimes' Part D claims, 2024
- Opioids47%57 of 122 claims
- Antibiotics11%13 of 122 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: 1382024: 8737%
Drugs named by CMS: 3 in 2024, 6 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
Dr. James B. Grimes ranks in the 56th percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Grimes accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Grimes, more than 56% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Grimes ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 56th percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James B. Grimes has 1 publication on record
Dmand AI links 1 paper to Dr. Grimes.
Papers1
Recent publications by Dr. Grimes
See who Dr. Grimes researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grimes works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James B. Grimes received $2,952 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Grimes from 7 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 73% of the total. NextStep Arthropedix, LLC paid the most, $2,361.
General payments to Dr. Grimes by program year, 2016 to 2025
General payments to Dr. Grimes by kind, 2016 to 2025
$3Kin total
- Travel and lodging$2,15673%
- Food and beverage$79627%
Companies that paid Dr. Grimes 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 B. Grimes is board certified in orthopaedic surgery
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. James B. Grimes accepts plans from 10 insurance carriers
Dr. Grimes is in network with 10 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Grimes accepts, by number of carriers
- Medicare7
- PPO6
- POS5
- HMO4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. James B. Grimes'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 B. Grimes
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. Grimes' NPI number?
Dr. James B. Grimes' NPI number is 1215040845. It was assigned on August 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James B. Grimes?
Dr. James B. Grimes is an orthopedic surgeon in Bakersfield, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. James B. Grimes practice?
Dr. Grimes practices at 9330 Stockdale Hwy, Bakersfield, CA 93311-3616. Dr. Grimes' primary practice is Kern Bone and Joint Specialists, A Medical Group, Inc. in Bakersfield, California. Dmand AI also links Dr. Grimes to 3 hospitals.
What is Dr. James B. Grimes' office phone number?
The practice phone on file for Dr. Grimes is (661) 324-2491.
What is Dr. James B. Grimes' medical license number?
Dr. Grimes holds California license G54924.
Which hospitals is Dr. James B. Grimes affiliated with?
Dr. Grimes is affiliated with Adventist Health Bakersfield. Dmand AI links Dr. Grimes to 3 more hospitals.
Does Dr. James B. Grimes accept Medicare?
Yes. CMS data shows Dr. Grimes billed Medicare for 372 services in 2024, and Dr. Grimes accepts Medicare assignment.
How many Medicare patients does Dr. James B. Grimes see?
CMS counts 140 Medicare patients who saw Dr. Grimes in 2024, with an average age of 73.
Is Dr. James B. Grimes board certified?
Yes. Dr. Grimes is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. James B. Grimes bill to Medicare?
In 2024, Dr. Grimes' most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and office visit, new patient (99204).
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What drugs does Dr. James B. Grimes prescribe most?
In 2024 Medicare Part D data, Dr. Grimes' most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron ODT and Famotidine.
Has Dr. James B. Grimes received payments from drug or device companies?
CMS Open Payments shows $2,952 in general payments to Dr. Grimes from 7 companies from 2016 to 2025. The largest total came from NextStep Arthropedix, LLC.
How long has Dr. James B. Grimes been practicing?
Dr. Grimes graduated from medical school in 1979, 47 years ago.
Does Dr. James B. Grimes do research?
Dmand AI links 1 publication to Dr. Grimes.
What insurance does Dr. James B. Grimes accept?
Dr. Grimes is in network with 10 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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