J Am Acad Orthop Surg
Arthroplasty, Replacement, HipArthroplasty, Replacement, KneeCoinfection
Dr. Robert S. Namba, MD
NPI1922179845
- Part D claims, 2024
- 301
- Publications
- 67
- Industry payments
- $24
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 441 N Lakeview Ave, Anaheim, CA 92807
- Practice phone
- Call (714) 279-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Anaheim, California
Find Dr. Namba'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. Robert S. Namba is a neuromusculoskeletal medicine and omm physician in Anaheim, California
Dr. Namba practices at Southern California Permanente Medical Group in Anaheim, California.
Dr. Namba's NPI, 1922179845, was assigned on November 13, 2006. Dr. Namba graduated from David Geffen School of Medicine at UCLA in 1985. Dr. Namba holds California license G59199.
NPI and contact details
- NPI
- 1922179845NPI Registry (opens in a new tab)
- NPI enumeration date
- November 13, 2006
- NPI status
- Active
- Practice phone
- (714) 279-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert S. Namba practices at Southern California Permanente Medical Group in Anaheim, California
Dr. Namba's primary practice is Southern California Permanente Medical Group, at 441 N Lakeview Ave, Anaheim, CA 92807 in Orange County. The practice phone is (714) 279-4000.
- Southern California Permanente Medical Group441 N Lakeview Ave, Anaheim, CA 92807 · Orange CountyPhone(714) 279-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert S. Namba is affiliated with 2 sites of care and 1 medical group
Dr. Namba's primary practice is Southern California Permanente Medical Group in Anaheim, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Namba to 1 more group practice or clinic, named with a free account.
Southern California Permanente Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert S. Namba's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Namba practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | 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 S. Namba is one of 174 neuromusculoskeletal medicines and omm physicians in California
Neuromusculoskeletal medicine and omm is Dr. Namba's primary specialty in the NPI Registry, under taxonomy code 204D00000X. Dr. Namba is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Namba is licensed in California.
Specialties and state licenses
- Neuromusculoskeletal medicine and omm, CaliforniaPrimary
Clinical focus
Dmand AI lists hip replacement among the conditions Dr. Namba treats.
Neuromusculoskeletal medicines and omm physicians near Dr. Namba
Counts of neuromusculoskeletal medicines and omm physicians with a Dmand AI profile, by place and practice. Each opens the list.
174neuromusculoskeletal medicines and omm physicians in California15neuromusculoskeletal medicines and omm physicians in Anaheim
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert S. Namba's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Namba's median patient age at 76, with 50% women.
Dr. Namba's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Robert S. Namba wrote 301 Medicare Part D claims in 2024
In 2024, Dr. Namba wrote 301 Medicare Part D claims for 145 patients. 100% of them were for generic drugs. CMS names the drug for 266 of them, across 5 drugs with 11 or more claims each, at $2,232 in total drug cost. In 2023, CMS named 299 claims across 5 drugs.
Part D claims, 2024301
Drugs named by CMS5
Total drug cost$2,232
Part D patients145
Dr. Namba'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. Namba's Part D claims, 2024
- Opioids26%77 of 301 claims
- Antibiotics56%170 of 301 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: 2992024: 26611%
Drugs named by CMS: 5 in 2024, 5 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
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Dr. Robert S. Namba has 67 publications on record
Dmand AI links 67 papers to Dr. Namba, published from 2007 to 2022. 2015 was the busiest year, with 5. The most frequent topics are Arthroplasty, Replacement, Knee, Reoperation and Arthroplasty, Replacement, Hip. Dr. Namba has published most often in J Arthroplasty. Dr. Namba's most frequent co-authors are Dhiren S. Sheth, MD, Stefano A. Bini, MD and Monti Khatod, MD.
Papers67
Years published2007 to 2022
Dr. Namba's papers by year, 2013 to 2022
Topics Dr. Namba writes about most
- Arthroplasty, Replacement, Knee
- Reoperation
- Arthroplasty, Replacement, Hip
- Prosthesis Failure
- Prosthesis Design
- Knee Prosthesis
- Postoperative Complications
- Hip Prosthesis
Dr. Namba's most frequent co-authors
Recent publications by Dr. Namba
Arthroplasty, Replacement, KneeProsthesis FailureReoperation
J Arthroplasty
Arthroplasty, Replacement, KneeKnee JointKnee Prosthesis
Analgesics, OpioidArthroplasty, Replacement, HipArthroplasty, Replacement, Knee
See who Dr. Namba researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Namba works with, so you can find a warm path to the right neuromusculoskeletal medicines and omm physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert S. Namba received $24 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Namba from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $24.
Companies that paid Dr. Namba the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert S. Namba has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Namba, most recently Super Doc in 2011.
Awards and honors for Dr. Namba
- 2011
- Super Doc
- Undated
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Robert S. Namba graduated from David Geffen School of Medicine at UCLA
Dr. Namba graduated from David Geffen School of Medicine at UCLA in 1985.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Robert S. Namba accepts plans from 2 insurance carriers
Dr. Namba is in network with 2 carriers, including Aetna and Kaiser Permanente. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- Kaiser Permanente
Plan types Dr. Namba accepts, by number of carriers
- EPO2
- HMO2
- POS2
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert S. Namba'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 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) |
| 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) |
| 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 S. Namba
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 S. Namba's NPI number?
Dr. Robert S. Namba's NPI number is 1922179845. It was assigned on November 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert S. Namba?
Dr. Robert S. Namba is a neuromusculoskeletal medicine and omm physician in Anaheim, California. The primary specialty in the NPI Registry is Neuromusculoskeletal Medicine & OMM Physician (taxonomy code 204D00000X).
Where does Dr. Robert S. Namba practice?
Dr. Namba practices at 441 N Lakeview Ave, Anaheim, CA 92807. Dr. Namba's primary practice is Southern California Permanente Medical Group in Anaheim, California. Dmand AI also links Dr. Namba to 1 group practice or clinic.
What is Dr. Robert S. Namba's office phone number?
The practice phone on file for Dr. Namba is (714) 279-4000.
What is Dr. Robert S. Namba's medical license number?
Dr. Namba holds California license G59199.
What medical group is Dr. Robert S. Namba part of?
Dr. Namba is linked to Southern California Permanente Medical Group.
Is Dr. Robert S. Namba board certified?
Yes. Dr. Namba is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Where did Dr. Robert S. Namba go to medical school?
Dr. Namba graduated from David Geffen School of Medicine at UCLA in 1985.
What drugs does Dr. Robert S. Namba prescribe most?
In 2024 Medicare Part D data, Dr. Namba's most prescribed drugs by claims were Amoxicillin, Oxycodone HCl and Meloxicam.
Has Dr. Robert S. Namba received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. Namba from 1 company from 2021 to 2021. The largest total came from Zimmer Biomet Holdings, Inc.
Show 4 more questionsShow fewer questions
How long has Dr. Robert S. Namba been practicing?
Dr. Namba graduated from medical school in 1985, 41 years ago.
Does Dr. Robert S. Namba do research?
Dmand AI links 67 publications to Dr. Namba, published from 2007 to 2022.
Who does Dr. Robert S. Namba publish with?
Dr. Namba's most frequent co-authors are Dhiren S. Sheth, MD (4 shared papers), Stefano A. Bini, MD (3 shared papers) and Monti Khatod, MD (3 shared papers).
What insurance does Dr. Robert S. Namba accept?
Dr. Namba is in network with 2 carriers, including Aetna and Kaiser Permanente. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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