Dr. Gilbert Caluag Roc Jr., MD

  • Los Angeles, CA
  • Adult reconstructive orthopaedic surgery physician
NPI1104147172PAC ID3274765102
Medicare services, 2017
85
Medicare patients, 2024
17
Part D claims, 2024
223
Publications
7
Hospital affiliations
1
Practice address
4760 W Sunset Blvd, Los Angeles, CA 90027
Practice phone
Call (323) 783-4011
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Southern California Permanente Medical Group

Los Angeles, California

See all 4 affiliations

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Dr. Gilbert Caluag Roc Jr. is an adult reconstructive orthopaedic surgery physician in Los Angeles, California

Dr. Roc practices at Southern California Permanente Medical Group in Los Angeles, California.

Dr. Roc's NPI, 1104147172, was assigned on June 14, 2010. Dr. Roc graduated from University of Toledo College of Medicine and Life Sciences in 2010. Dr. Roc holds California license A143571.

NPI and contact details
Medicare PAC ID
3274765102
NPI enumeration date
June 14, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(323) 783-4011
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gilbert Caluag Roc Jr. practices at Southern California Permanente Medical Group in Los Angeles, California

Dr. Roc's primary practice is Southern California Permanente Medical Group, at 4760 W Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.

  • Southern California Permanente Medical Group
    4760 W Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Gilbert Caluag Roc Jr. is affiliated with 3 sites of care and 1 medical group

Dr. Roc's primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dr. Roc is also affiliated with Kaiser Permanente Los Angeles Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Roc to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Roc

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Gilbert Caluag Roc Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Roc practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Southern California Permanente Medical GroupAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gilbert Caluag Roc Jr. is one of 142 adult reconstructive orthopaedic surgery physicians in California

Adult reconstructive orthopaedic surgery is Dr. Roc's primary specialty in the NPI Registry, under taxonomy code 207XS0114X. Dr. Roc is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Roc's licenses on file in 3 states: California, New York and Michigan.

Specialties and state licenses

  • Adult reconstructive orthopaedic surgery, CaliforniaPrimaryLicense A143571 · 2016 to 2026 · taxonomy 207XS0114X
  • New York license2015 to 2017
  • Michigan license2010 to 2015

Clinical focus

Dmand AI lists knee replacement and pelvic and hip fracture among the conditions Dr. Roc treats.

Adult reconstructive orthopaedic surgery physicians near Dr. Roc

Counts of adult reconstructive orthopaedic surgery physicians 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. Gilbert Caluag Roc Jr. billed Medicare for 85 services in 2017

CMS data shows 85 Medicare services from Dr. Roc across 3 procedure codes in 2017, for 17 Medicare patients. Medicare paid $4,136 for them. Every service was in an office.

Medicare services, 201785
Medicare patients17
Paid by Medicare$4,136
Procedure codes3

Dr. Roc's Medicare services by type, 2017

  1. Office and hospital visits60
  2. Imaging25

Dr. Roc compared with the California median for adult reconstructive orthopaedic surgery physicians, 2017

  • Dr. Roc
  • California median
Medicare services
85vs 1,02492% below
Medicare patients
17vs 35695% below
Part D claims
190vs 2026% below

Medians across 136 adult reconstructive orthopaedic surgery physicians in California with Dmand AI profiles that report each measure.

Dr. Roc's most billed Medicare procedure codes, 2017

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Roc

Need commercial claims for Dr. Roc?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Roc and other adult reconstructive orthopaedic surgery physicians in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gilbert Caluag Roc Jr. treated 17 Medicare patients in 2024, average age 71

CMS counts 17 Medicare patients who saw Dr. Roc in 2024. 71% of them have arthritis, and 71% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Roc's median patient age at 71, with 65% women.

Medicare patients, 202417
Average age71
Average risk score0.97

Chronic conditions among Dr. Roc's Medicare patients, 2024

  1. Arthritis71%
  2. High blood pressure71%

Share of Medicare patients with each condition. A patient can have several.

Dr. Roc's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women65%
  • Men34%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gilbert Caluag Roc Jr. wrote 223 Medicare Part D claims in 2024

In 2024, Dr. Roc wrote 223 Medicare Part D claims for 101 patients. 100% of them were for generic drugs. CMS names the drug for 190 of them, across 5 drugs with 11 or more claims each, at $1,613 in total drug cost. In 2023, CMS named 129 claims across 6 drugs.

Part D claims, 2024223
Drugs named by CMS5
Total drug cost$1,613
Part D patients101

Dr. Roc'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. Roc's Part D claims, 2024

  • Opioids22%50 of 223 claims
  • Antibiotics12%26 of 223 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: 1292024: 19047%

Drugs named by CMS: 5 in 2024, 6 in 2023.

See all prescribing by Dr. Roc

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. Gilbert Caluag Roc Jr. takes part in Medicare

Dr. Roc accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

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. Gilbert Caluag Roc Jr. has 7 publications on record

Dmand AI links 7 papers to Dr. Roc, published from 2011 to 2017. 2011 was the busiest year, with 2. The most frequent topics are Lumbar Vertebrae, Diskectomy and Intervertebral Disc Displacement. Dr. Roc has published most often in Orthopedics. Dr. Roc's most frequent co-authors are Wellington K. Hsu, MD, Zachary Pierce Berliner, MD and Mario Augusto Castillo-Sang, MD.

Papers7
Years published2011 to 2017

Dr. Roc's papers by year, 2011 to 2017

Topics Dr. Roc writes about most

  • Lumbar Vertebrae
  • Diskectomy
  • Intervertebral Disc Displacement
  • Athletes
  • Athletic Injuries
  • Baseball
  • Employment
  • Postoperative Complications

Dr. Roc's most frequent co-authors

Recent publications by Dr. Roc

See all 7 publications and co-authors

See who Dr. Roc researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Roc works with, so you can find a warm path to the right adult reconstructive orthopaedic surgery physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Gilbert Caluag Roc Jr. received $1,781 in industry payments from 2016 to 2025

CMS Open Payments shows 23 general payments to Dr. Roc from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $1,372.

General payments to Dr. Roc by program year, 2016 to 2025

Companies that paid Dr. Roc the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Roc

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Gilbert Caluag Roc Jr. graduated from University of Toledo College of Medicine and Life Sciences

Dr. Roc graduated from University of Toledo College of Medicine and Life Sciences in 2010.

  1. Medical schoolUniversity of Toledo College of Medicine and Life Sciences
  2. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Gilbert Caluag Roc Jr. accepts plans from 2 insurance carriers

Dr. Roc is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Roc accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Gilbert Caluag Roc Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gilbert Caluag Roc Jr.

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. Gilbert Caluag Roc Jr.'s NPI number?

Dr. Gilbert Caluag Roc Jr.'s NPI number is 1104147172. It was assigned on June 14, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Gilbert Caluag Roc Jr.?

Dr. Gilbert Caluag Roc Jr. is an adult reconstructive orthopaedic surgery physician in Los Angeles, California. The primary specialty in the NPI Registry is Adult Reconstructive Orthopaedic Surgery Physician (taxonomy code 207XS0114X).

Where does Dr. Gilbert Caluag Roc Jr. practice?

Dr. Roc practices at 4760 W Sunset Blvd, Los Angeles, CA 90027. Dr. Roc's primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dmand AI also links Dr. Roc to 1 group practice or clinic.

What is Dr. Gilbert Caluag Roc Jr.'s office phone number?

The practice phone on file for Dr. Roc is (323) 783-4011.

What is Dr. Gilbert Caluag Roc Jr.'s medical license number?

Dr. Roc holds California license A143571, one of the licenses on file in 3 states.

Which states has Dr. Gilbert Caluag Roc Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Roc in California (2016 to 2026), New York (2015 to 2017) and Michigan (2010 to 2015).

Which hospitals is Dr. Gilbert Caluag Roc Jr. affiliated with?

Dr. Roc is affiliated with Kaiser Permanente Los Angeles Medical Center.

What medical group is Dr. Gilbert Caluag Roc Jr. part of?

Dr. Roc is linked to Southern California Permanente Medical Group.

Does Dr. Gilbert Caluag Roc Jr. accept Medicare?

Yes. CMS data shows Dr. Roc billed Medicare for 85 services in 2017, and Dr. Roc accepts Medicare assignment.

How many Medicare patients does Dr. Gilbert Caluag Roc Jr. see?

CMS counts 17 Medicare patients who saw Dr. Roc in 2024, with an average age of 71.

Show 9 more questionsShow fewer questions

Is Dr. Gilbert Caluag Roc Jr. board certified?

Yes. Dr. Roc is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.

What services does Dr. Gilbert Caluag Roc Jr. bill to Medicare?

In 2017, Dr. Roc's most billed Medicare services were office visit, established patient (99213), diagnostic imaging (73502) and office visit, new patient (99203).

Where did Dr. Gilbert Caluag Roc Jr. go to medical school?

Dr. Roc graduated from University of Toledo College of Medicine and Life Sciences in 2010.

What drugs does Dr. Gilbert Caluag Roc Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Roc's most prescribed drugs by claims were Meloxicam, Oxycodone HCl and Amoxicillin.

Has Dr. Gilbert Caluag Roc Jr. received payments from drug or device companies?

CMS Open Payments shows $1,781 in general payments to Dr. Roc from 12 companies from 2016 to 2025. The largest total came from Stryker Corporation.

How long has Dr. Gilbert Caluag Roc Jr. been practicing?

Dr. Roc graduated from medical school in 2010, 16 years ago.

Does Dr. Gilbert Caluag Roc Jr. do research?

Dmand AI links 7 publications to Dr. Roc, published from 2011 to 2017.

Who does Dr. Gilbert Caluag Roc Jr. publish with?

Dr. Roc's most frequent co-authors are Wellington K. Hsu, MD (3 shared papers), Zachary Pierce Berliner, MD (1 shared paper) and Mario Augusto Castillo-Sang, MD (1 shared paper).

What insurance does Dr. Gilbert Caluag Roc Jr. accept?

Dr. Roc is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

Selling to adult reconstructive orthopaedic surgery practices?

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