Dr. Robert S. Gorab, MD
- Part D claims, 2024
- 535
- Publications
- 33
- Industry payments
- $15.3M
- Insurance carriers
- 5
- State license
- 1
- Practice address
- 16300 Sand Canyon Ave, Irvine, CA 92618
- Practice phone
- Call (949) 727-3999
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Donald I. Altman MD
Irvine, California
Find Dr. Gorab'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. Gorab is an orthopedic surgeon in Irvine, California
Dr. Gorab practices at Donald I. Altman MD in Irvine, California.
Dr. Gorab's NPI, 1326035601, was assigned on October 3, 2005. Dr. Gorab graduated from University of Pittsburgh School of Medicine in 1987. Dr. Gorab holds California license G64419.
- NPI
- 1326035601NPI Registry (opens in a new tab)
- NPI enumeration date
- October 3, 2005
- NPI status
- Active
- Practice phone
- (949) 727-3999
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert S. Gorab practices at Donald I. Altman MD in Irvine, California
Dr. Gorab's primary practice is Donald I. Altman MD, at 16300 Sand Canyon Ave, Irvine, CA 92618 in Orange County. The practice phone is (949) 727-3999.
- Donald I. Altman MD16300 Sand Canyon Ave, Irvine, CA 92618 · Orange CountyPhone(949) 727-3999
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert S. Gorab is affiliated with 1 site of care
Dr. Gorab's primary practice is Donald I. Altman MD in Irvine, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Robert S. Gorab's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gorab practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Donald I. Altman MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert S. Gorab is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Gorab's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Gorab is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Gorab is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists hip replacement, knee replacement and repeat hip or knee replacement surgery among the conditions Dr. Gorab treats.
Orthopedic surgeons near Dr. Gorab
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 S. Gorab's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Gorab's median patient age at 69, with 49% women.
Dr. Gorab's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women49%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Robert S. Gorab wrote 535 Medicare Part D claims in 2024
In 2024, Dr. Gorab wrote 535 Medicare Part D claims for 200 patients. 100% of them were for generic drugs. CMS names the drug for 498 of them, across 8 drugs with 11 or more claims each, at $3,607 in total drug cost. In 2023, CMS named 420 claims across 9 drugs.
Dr. Gorab'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. Gorab's Part D claims, 2024
- Opioids21%110 of 535 claims
- Antibiotics15%79 of 535 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: 4202024: 49819%
Drugs named by CMS: 8 in 2024, 9 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. Gorab has 33 publications on record
Dmand AI links 33 papers to Dr. Gorab, published from 2013 to 2024. 2020 was the busiest year, with 4. The most frequent topics are Reoperation, Arthroplasty, Replacement, Knee and Prosthesis Failure. Dr. Gorab has published most often in J Arthroplasty. Dr. Gorab's most frequent co-authors are Steven L. Barnett, MD, Jay J. Patel, MD and Nader A. Nassif, MD.
Dr. Gorab's papers by year, 2013 to 2024
Topics Dr. Gorab writes about most
- Reoperation
- Arthroplasty, Replacement, Knee
- Prosthesis Failure
- Arthroplasty, Replacement, Hip
- Hip Prosthesis
- Knee Joint
- Femur
- Knee Prosthesis
Dr. Gorab's most frequent co-authors
- Steven L. Barnett, MD11 shared papers
- Jay J. Patel, MD8 shared papers
- Nader A. Nassif, MD6 shared papers
Recent publications by Dr. Gorab
J Arthroplasty
J Arthroplasty
See who Dr. Gorab researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gorab 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. Robert S. Gorab received $15,315,589 in industry payments from 2016 to 2025
CMS Open Payments shows 281 general payments to Dr. Gorab from 11 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 98% of the total. DePuy Synthes Sales Inc. paid the most, $15,177,089. It also lists 2 research payments totaling $788 from 2016 to 2017.
General payments to Dr. Gorab by program year, 2016 to 2025
General payments to Dr. Gorab by kind, 2016 to 2025
- Royalties and licenses$15,028,90098%
- Consulting fees$265,7672%
- Travel and lodging$16,2950%
- Food and beverage$4,0140%
- Accredited education speaker fees$6120%
Companies that paid Dr. Gorab 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. Robert S. Gorab has 5 awards and honors on record
Dmand AI lists 5 awards for Dr. Gorab, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Gorab
- 2013
- CMS Stage 1 EHR
- 2012
- Physician of Excellence
- Super Doc
- 2008
- Associate Professor Faculty Teaching Award
- 2004
- "CARE" Award
Source: Dmand AI Professional Profile Data
Dr. Robert S. Gorab graduated from University of Pittsburgh School of Medicine
Dr. Gorab graduated from University of Pittsburgh School of Medicine in 1987.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Robert S. Gorab accepts plans from 5 insurance carriers
Dr. Gorab is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Gorab accepts, by number of carriers
- PPO5
- Medicare4
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert S. Gorab'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 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. Gorab
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. Gorab's NPI number?
Dr. Robert S. Gorab's NPI number is 1326035601. It was assigned on October 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert S. Gorab?
Dr. Robert S. Gorab is an orthopedic surgeon in Irvine, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Robert S. Gorab practice?
Dr. Gorab practices at 16300 Sand Canyon Ave, Irvine, CA 92618. Dr. Gorab's primary practice is Donald I. Altman MD in Irvine, California.
What is Dr. Robert S. Gorab's office phone number?
The practice phone on file for Dr. Gorab is (949) 727-3999.
What is Dr. Robert S. Gorab's medical license number?
Dr. Gorab holds California license G64419.
Is Dr. Robert S. Gorab board certified?
Yes. Dr. Gorab is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Where did Dr. Robert S. Gorab go to medical school?
Dr. Gorab graduated from University of Pittsburgh School of Medicine in 1987.
What drugs does Dr. Robert S. Gorab prescribe most?
In 2024 Medicare Part D data, Dr. Gorab's most prescribed drugs by claims were Meloxicam, Diclofenac Sodium and Amoxicillin.
Has Dr. Robert S. Gorab received payments from drug or device companies?
CMS Open Payments shows $15,315,589 in general payments to Dr. Gorab from 11 companies from 2016 to 2025. The largest total came from DePuy Synthes Sales Inc.
How long has Dr. Robert S. Gorab been practicing?
Dr. Gorab graduated from medical school in 1987, 39 years ago.
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Does Dr. Robert S. Gorab do research?
Dmand AI links 33 publications to Dr. Gorab, published from 2013 to 2024.
Who does Dr. Robert S. Gorab publish with?
Dr. Gorab's most frequent co-authors are Steven L. Barnett, MD (11 shared papers), Jay J. Patel, MD (8 shared papers) and Nader A. Nassif, MD (6 shared papers).
What insurance does Dr. Robert S. Gorab accept?
Dr. Gorab is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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