Dr. John Kronick, MD
- Medicare services, 2024
- 2,272
- Medicare patients, 2024
- 589
- Part D claims, 2024
- 584
- MIPS score, 2024
- 75
- Hospital affiliations
- 3
- Practice address
- 2625 Shadelands Dr, Walnut Creek, CA 94598
- Practice phone
- Call (925) 939-8585
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Golden State Orthopedics & Spine
Walnut Creek, California
Find Dr. Kronick'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. John Kronick is an orthopedic surgeon in Walnut Creek, California
Dr. Kronick practices at Golden State Orthopedics & Spine in Walnut Creek, California.
Dr. Kronick's NPI, 1639129034, was assigned on May 10, 2006. Dr. Kronick graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1990. Dr. Kronick holds California license G79932.
- NPI
- 1639129034NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911987623
- NPI enumeration date
- May 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 939-8585
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Kronick practices at Golden State Orthopedics & Spine in Walnut Creek, California
Dr. Kronick's primary practice is Golden State Orthopedics & Spine, at 2625 Shadelands Dr, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-8585.
- Golden State Orthopedics & Spine2625 Shadelands Dr, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 939-8585
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Kronick is affiliated with 7 sites of care and 2 medical groups
Dr. Kronick's primary practice is Golden State Orthopedics & Spine in Walnut Creek, California. Dr. Kronick is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is Golden State Orthopedics & Spine. Dmand AI also links Dr. Kronick to 2 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each 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. John Kronick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kronick practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Golden State Orthopedics & Spine | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Kronick is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Kronick's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Kronick is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Kronick's licenses on file in 3 states: California, Michigan and Illinois.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Michigan license
- Illinois license
Clinical focus
Dmand AI lists arthritis, bursitis, hip replacement, joint pain, knee arthroscopy, knee fracture and dislocation, knee injury and knee replacement among the conditions Dr. Kronick treats.
Orthopedic surgeons near Dr. Kronick
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. John Kronick billed Medicare for 2,272 services in 2024
CMS data shows 2,272 Medicare services from Dr. Kronick across 20 procedure codes in 2024, for 589 Medicare patients. Medicare paid $296,373 for them.
Dr. Kronick's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7952024: 8608%
- Imaging
- 2023: 6982024: 7051%
- Drugs given in the office
- 2023: 4992024: 4676%
- Surgery
- 2023: 2442024: 2402%
Where Dr. Kronick's Medicare services took place, 2024
- In an office2,14794%
- In a facility1256%
Dr. Kronick compared with the California median for orthopedic surgeons, 2024
- Dr. Kronick
- California median
- Medicare services
- 2,272vs 6833.3 times
- Medicare patients
- 589vs 2152.7 times
- Part D claims
- 529vs 707.6 times
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Kronick'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. Kronick and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Kronick treated 589 Medicare patients in 2024, average age 75
CMS counts 589 Medicare patients who saw Dr. Kronick in 2024. The largest group is 65 to 74, with 249 patients. 75% of them have arthritis, and 75% have high blood pressure. 28% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kronick's median patient age at 70, with 61% women.
Dr. Kronick's Medicare patients by age, 2024
Dr. Kronick's Medicare patients by sex, 2024
- Women38465%
- Men20535%
Chronic conditions among Dr. Kronick's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders30%
- Diabetes29%
- Depression27%
- Anxiety25%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kronick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Kronick wrote 584 Medicare Part D claims in 2024
In 2024, Dr. Kronick wrote 584 Medicare Part D claims for 211 patients. 98% of them were for generic drugs. CMS names the drug for 529 of them, across 15 drugs with 11 or more claims each, at $6,309 in total drug cost. In 2023, CMS named 666 claims across 14 drugs.
Dr. Kronick's Part D claims by kind of drug, 2024
- Generic570 claims98%
- Brand-name14 claims2%
Dr. Kronick'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. Kronick's Part D claims, 2024
- Opioids16%95 of 584 claims
- Antibiotics37%214 of 584 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: 6662024: 52921%
Drugs named by CMS: 15 in 2024, 14 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. John Kronick scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Kronick for performance year 2024, reported as part of a group. Dr. Kronick accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 101 procedures of knee replacement by Dr. Kronick, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Kronick ranks in Medicare procedure volume
- Knee replacement
- 93rd percentile101 procedures
- Hip replacement
- 82nd percentile39 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 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. John Kronick received $701 in industry payments from 2016 to 2025
CMS Open Payments shows 27 general payments to Dr. Kronick from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $180.
General payments to Dr. Kronick by program year, 2016 to 2025
Companies that paid Dr. Kronick 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. John Kronick graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Kronick graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1990.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. John Kronick accepts plans from 13 insurance carriers
Dr. Kronick is in network with 13 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +5 more carriersWith a free account
Plan types Dr. Kronick accepts, by number of carriers
- PPO8
- HMO6
- Medicare5
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. John Kronick'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| 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. John Kronick
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. John Kronick's NPI number?
Dr. John Kronick's NPI number is 1639129034. It was assigned on May 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Kronick?
Dr. John Kronick is an orthopedic surgeon in Walnut Creek, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John Kronick practice?
Dr. Kronick practices at 2625 Shadelands Dr, Walnut Creek, CA 94598. Dr. Kronick's primary practice is Golden State Orthopedics & Spine in Walnut Creek, California. Dmand AI also links Dr. Kronick to 2 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. John Kronick's office phone number?
The practice phone on file for Dr. Kronick is (925) 939-8585.
What is Dr. John Kronick's medical license number?
Dr. Kronick holds California license G79932, one of the licenses on file in 3 states.
Which states has Dr. John Kronick been licensed in?
Dmand AI has state licenses on file for Dr. Kronick in California (1994 to 2026), Michigan (1993 to 2003) and Illinois (1995 to 2002).
Which hospitals is Dr. John Kronick affiliated with?
Dr. Kronick is affiliated with John Muir Medical Center, Walnut Creek. Dmand AI links Dr. Kronick to 2 more hospitals.
What medical group is Dr. John Kronick part of?
Dr. Kronick is linked to Golden State Orthopedics & Spine. Dmand AI links Dr. Kronick to 1 more medical group.
Does Dr. John Kronick accept Medicare?
Yes. CMS data shows Dr. Kronick billed Medicare for 2,272 services in 2024, and Dr. Kronick accepts Medicare assignment.
What is Dr. John Kronick's MIPS score?
Dr. Kronick's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
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How many Medicare patients does Dr. John Kronick see?
CMS counts 589 Medicare patients who saw Dr. Kronick in 2024, with an average age of 75.
Is Dr. John Kronick board certified?
Yes. Dr. Kronick is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. John Kronick bill to Medicare?
In 2024, Dr. Kronick's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J3301) and diagnostic imaging (73562).
Where did Dr. John Kronick go to medical school?
Dr. Kronick graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1990.
What drugs does Dr. John Kronick prescribe most?
In 2024 Medicare Part D data, Dr. Kronick's most prescribed drugs by claims were Amoxicillin, Celecoxib and Gabapentin.
Has Dr. John Kronick received payments from drug or device companies?
CMS Open Payments shows $701 in general payments to Dr. Kronick from 16 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. John Kronick been practicing?
Dr. Kronick graduated from medical school in 1990, 36 years ago.
What insurance does Dr. John Kronick accept?
Dr. Kronick is in network with 13 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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