Dr. Robert B. Koch, MD
- Part D claims, 2024
- 147
- Hospital affiliations
- 1
- Industry payments
- $803
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Dr. Koch's professional email, personal email and mobile number
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Dr. Robert B. Koch is an orthopedic surgeon in Stockton, California
Dr. Koch practices at Permanente Medical Group Inc in Stockton, California.
Dr. Koch's NPI, 1649255845, was assigned on December 9, 2005. Dr. Koch graduated from McGill University Faculty of Medicine in 1994. Dr. Koch holds California license C134952.
- NPI
- 1649255845NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183751472
- NPI enumeration date
- December 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert B. Koch practices at Permanente Medical Group Inc in Stockton, California
Dr. Koch's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert B. Koch is affiliated with 2 sites of care and 1 medical group
Dr. Koch's primary practice is Permanente Medical Group Inc in Stockton, California. Dr. Koch is also affiliated with Santa Rosa Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert B. Koch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koch practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert B. Koch is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Koch's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Koch is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Koch's licenses on file in 3 states: California, Colorado and Pennsylvania.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Colorado license
- Pennsylvania license
Clinical focus
Dmand AI lists pelvic and hip fracture among the conditions Dr. Koch treats.
Orthopedic surgeons near Dr. Koch
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. Robert B. Koch's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Koch's median patient age at 64, with 55% women.
Dr. Koch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Robert B. Koch wrote 147 Medicare Part D claims in 2024
In 2024, Dr. Koch wrote 147 Medicare Part D claims for 77 patients. 99% of them were for generic drugs. CMS names the drug for 91 of them, across 4 drugs with 11 or more claims each, at $824 in total drug cost. In 2023, CMS named 109 claims across 4 drugs.
Dr. Koch's Part D claims by kind of drug, 2024
- Generic146 claims99%
- Brand-name and other1 claims1%
Dr. Koch'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. Koch's Part D claims, 2024
- Opioids25%37 of 147 claims
- Antibiotics45%66 of 147 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: 1092024: 9117%
Drugs named by CMS: 4 in 2024, 4 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
How Dr. Robert B. Koch takes part in Medicare
Dr. Koch accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hip 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. Robert B. Koch received $803 in industry payments from 2017 to 2022
CMS Open Payments shows 5 general payments to Dr. Koch from 2 drug and device companies from 2017 to 2022. Travel and lodging make up the largest share, 98% of the total. Zimmer Biomet Holdings, Inc. paid the most, $784.
General payments to Dr. Koch by program year, 2017 to 2022
General payments to Dr. Koch by kind, 2017 to 2022
- Travel and lodging$78498%
- Food and beverage$192%
Companies that paid Dr. Koch the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert B. Koch has 1 award and honors on record
Dmand AI lists 1 award for Dr. Koch, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Koch
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Robert B. Koch graduated from McGill University Faculty of Medicine
Dr. Koch graduated from McGill University Faculty of Medicine in 1994.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Robert B. Koch accepts plans from 1 insurance carrier
Dr. Koch is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Koch accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert B. Koch'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Robert B. Koch
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. Robert B. Koch's NPI number?
Dr. Robert B. Koch's NPI number is 1649255845. It was assigned on December 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert B. Koch?
Dr. Robert B. Koch is an orthopedic surgeon in Stockton, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Robert B. Koch practice?
Dr. Koch practices at 7373 West Ln, Stockton, CA 95210. Dr. Koch's primary practice is Permanente Medical Group Inc in Stockton, California.
What is Dr. Robert B. Koch's office phone number?
The practice phone on file for Dr. Koch is (209) 476-2000.
What is Dr. Robert B. Koch's medical license number?
Dr. Koch holds California license C134952, one of the licenses on file in 3 states.
Which states has Dr. Robert B. Koch been licensed in?
Dmand AI has state licenses on file for Dr. Koch in California (2015 to 2026), Colorado (2002 to 2015) and Pennsylvania (1997 to 2002).
Which hospitals is Dr. Robert B. Koch affiliated with?
Dr. Koch is affiliated with Santa Rosa Medical Center.
What medical group is Dr. Robert B. Koch part of?
Dr. Koch is linked to The Permanente Medical Group, Inc.
Does Dr. Robert B. Koch accept Medicare?
Yes. CMS lists Dr. Koch as accepting Medicare assignment.
Is Dr. Robert B. Koch board certified?
Yes. Dr. Koch is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Show 5 more questionsShow fewer questions
Where did Dr. Robert B. Koch go to medical school?
Dr. Koch graduated from McGill University Faculty of Medicine in 1994.
What drugs does Dr. Robert B. Koch prescribe most?
In 2024 Medicare Part D data, Dr. Koch's most prescribed drugs by claims were Amoxicillin, Oxycodone HCl and Clindamycin HCl.
Has Dr. Robert B. Koch received payments from drug or device companies?
CMS Open Payments shows $803 in general payments to Dr. Koch from 2 companies from 2017 to 2022. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Robert B. Koch been practicing?
Dr. Koch graduated from medical school in 1994, 32 years ago.
What insurance does Dr. Robert B. Koch accept?
Dr. Koch is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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