Dr. Raymond A. Klug, MD

  • Los Alamitos, CA
  • Orthopedic surgeon
NPI1295829083PAC ID1355341140
Medicare services, 2024
4,778
Medicare patients, 2024
454
Part D claims, 2024
270
Publications
4
MIPS score, 2024
85
Practice address
3751 Katella Avenue, Los Alamitos, CA 90720
Practice phone
Call (562) 799-3220
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

UCI Health - Los Alamitos

Hospital · Los Alamitos, California

See all 8 affiliations

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Dr. Raymond A. Klug is an orthopedic surgeon in Los Alamitos, California

Dr. Klug practices at UCI Health - Los Alamitos in Los Alamitos, California, part of UC Irvine.

Dr. Klug's NPI, 1295829083, was assigned on October 3, 2006. Dr. Klug graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2001. Dr. Klug holds California license A100007.

NPI and contact details
Medicare PAC ID
1355341140
NPI enumeration date
October 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(562) 799-3220
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
51
Medical school graduation
2001

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

Dr. Raymond A. Klug practices at UCI Health - Los Alamitos in Los Alamitos, California

Dr. Klug's primary practice is UCI Health - Los Alamitos, at 3751 Katella Avenue, Los Alamitos, CA 90720 in Orange County. The practice phone is (562) 799-3220.

Source: Dmand AI Affiliation Data

Dr. Raymond A. Klug is affiliated with 6 sites of care and 2 medical groups

Dr. Klug's primary practice is UCI Health - Los Alamitos in Los Alamitos, California, part of UC Irvine. Dr. Klug is also affiliated with UCI Health - Orange. The medical group on file is Beach Orthopaedic Specialty Institute. Dmand AI also links Dr. Klug to 2 more group practices and clinics, 1 home health agency, 1 hospital outpatient department and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Klug

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Raymond A. Klug's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klug practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCI Health - Los AlamitosAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Raymond A. Klug is one of 2,056 orthopedic surgeons in California

Orthopaedic surgery is Dr. Klug's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Klug is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Klug's licenses on file in 2 states: California and New York.

Specialties and state licenses

  • Orthopaedic surgery, CaliforniaPrimaryLicense A100007 · 2007 to 2026 · taxonomy 207X00000X
  • New York license2006 to 2008

Clinical focus

Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, broken or dislocated ankle/ or foot, bursitis, carpal tunnel syndrome, enthesopathy in arms, hand joint or tendon inflammation and hip replacement among the conditions Dr. Klug treats.

Orthopedic surgeons near Dr. Klug

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. Raymond A. Klug billed Medicare for 4,778 services in 2024

CMS data shows 4,778 Medicare services from Dr. Klug across 22 procedure codes in 2024, for 454 Medicare patients. Medicare paid $166,863 for them.

Medicare services, 20244,778
Medicare patients454
Paid by Medicare$166,863
Procedure codes22

Dr. Klug's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 2,2022024: 2,74625%
Office and hospital visits
2023: 9252024: 1,03812%
Imaging
2023: 5942024: 73824%
Surgery
2023: 2092024: 1928%
Tests and treatments
2023: 3002024: 6479%

Where Dr. Klug's Medicare services took place, 2024

  • In an office4,75399%
  • In a facility251%

Dr. Klug compared with the California median for orthopedic surgeons, 2024

  • Dr. Klug
  • California median
Medicare services
4,778vs 6837.0 times
Medicare patients
454vs 2152.1 times
Part D claims
214vs 703.1 times

Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.

Dr. Klug'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.

See all procedures by Dr. Klug

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

Dr. Raymond A. Klug treated 454 Medicare patients in 2024, average age 77

CMS counts 454 Medicare patients who saw Dr. Klug in 2024. The largest group is 75 to 84, with 196 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Klug's median patient age at 61, with 53% women.

Medicare patients, 2024454
Average age77
Average risk score1.20
Also on Medicaid3%

Dr. Klug's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Klug's Medicare patients by sex, 2024

  • Women29164%
  • Men16336%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis74%
  4. Osteoporosis36%
  5. Diabetes30%
  6. Ischemic heart disease28%
  7. Chronic kidney disease26%
  8. Mood disorders24%

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

Dr. Klug's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women53%
  • Men45%

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

Dr. Raymond A. Klug wrote 270 Medicare Part D claims in 2024

In 2024, Dr. Klug wrote 270 Medicare Part D claims for 105 patients. 78% of them were for generic drugs. CMS names the drug for 214 of them, across 6 drugs with 11 or more claims each, at $115,130 in total drug cost. In 2023, CMS named 121 claims across 4 drugs.

Part D claims, 2024270
Drugs named by CMS6
Total drug cost$115,130
Part D patients105

Dr. Klug's Part D claims by kind of drug, 2024

  • Generic211 claims78%
  • Brand-name and other59 claims22%

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

  • Opioids19%51 of 270 claims
  • Antibiotics12%33 of 270 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: 1212024: 21477%

Drugs named by CMS: 6 in 2024, 4 in 2023.

See all prescribing by Dr. Klug

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. Raymond A. Klug scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Klug for performance year 2024, reported individually. Dr. Klug accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 32 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Klug, more than 76% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Klug's MIPS scores, performance year 2024

  • 85of 100Final score
  • 69of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Klug ranks in Medicare procedure volume

Upper limb (arm) arthroscopy (minimally invasive joint repair)
76th percentile32 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)

Knee replacement: 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. Raymond A. Klug has 4 publications on record

Dmand AI links 4 papers to Dr. Klug, published from 2007 to 2009. The most frequent topics are Arthroplasty, Replacement, Osteotomy and Shoulder Joint. Dr. Klug has published most often in J Shoulder Elbow Surg. Dr. Klug's most frequent co-authors are Andrew Hsiao, MD, Simon Cavendish Mears, MD, PhD and Bradford Parsons, MD.

Papers4
Years published2007 to 2009

Topics Dr. Klug writes about most

  • Arthroplasty, Replacement
  • Osteotomy
  • Shoulder Joint

Dr. Klug's most frequent co-authors

Recent publications by Dr. Klug

See all 4 publications and co-authors

See who Dr. Klug researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klug works with, so you can find a warm path to the right orthopedic surgeons.

How network discovery works

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

Dr. Raymond A. Klug received $168,577 in industry payments from 2016 to 2025

CMS Open Payments shows 638 general payments to Dr. Klug from 61 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 52% of the total. Exactech, Inc. paid the most, $130,188.

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

General payments to Dr. Klug by kind, 2016 to 2025

$168.6Kin total
  • Consulting fees$87,99352%
  • Travel and lodging$29,67618%
  • Food and beverage$24,86115%
  • Royalties and licenses$21,30513%
  • Other$4,7413%

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

Share is of all general payments to this clinician.

See all payments to Dr. Klug

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

Dr. Raymond A. Klug has 1 award and honors on record

Dmand AI lists 1 award for Dr. Klug, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Klug

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Raymond A. Klug graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science

Dr. Klug graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2001. Dr. Klug is a member of AAOS and AANA.

  1. Medical schoolChicago Medical School at Rosalind Franklin University of Medicine and Science
  2. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Raymond A. Klug accepts plans from 8 insurance carriers

Dr. Klug is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • CMS Medicare
  • Humana

Plan types Dr. Klug accepts, by number of carriers

  1. Medicare6
  2. HMO5
  3. PPO5
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Raymond A. Klug'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (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)
Awards and committee rolesDmand AI Professional Profile Data
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. Raymond A. Klug

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. Raymond A. Klug's NPI number?

Dr. Raymond A. Klug's NPI number is 1295829083. It was assigned on October 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Raymond A. Klug?

Dr. Raymond A. Klug is an orthopedic surgeon in Los Alamitos, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Raymond A. Klug practice?

Dr. Klug practices at 3751 Katella Avenue, Los Alamitos, CA 90720. Dr. Klug's primary practice is UCI Health - Los Alamitos in Los Alamitos, California, part of UC Irvine. Dmand AI also links Dr. Klug to 2 group practices and clinics, 1 home health agency, 1 hospital outpatient department and 1 medical group.

What is Dr. Raymond A. Klug's office phone number?

The practice phone on file for Dr. Klug is (562) 799-3220.

What is Dr. Raymond A. Klug's medical license number?

Dr. Klug holds California license A100007, one of the licenses on file in 2 states.

Which states has Dr. Raymond A. Klug been licensed in?

Dmand AI has state licenses on file for Dr. Klug in California (2007 to 2026) and New York (2006 to 2008).

Which hospitals is Dr. Raymond A. Klug affiliated with?

Dr. Klug practices at UCI Health - Los Alamitos in Los Alamitos, California. Dr. Klug is also affiliated with UCI Health - Orange.

What medical group is Dr. Raymond A. Klug part of?

Dr. Klug is linked to Beach Orthopaedic Specialty Institute. Dmand AI links Dr. Klug to 1 more medical group.

Does Dr. Raymond A. Klug accept Medicare?

Yes. CMS data shows Dr. Klug billed Medicare for 4,778 services in 2024, and Dr. Klug accepts Medicare assignment.

What is Dr. Raymond A. Klug's MIPS score?

Dr. Klug's MIPS final score for performance year 2024 is 85 out of 100, reported individually.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Raymond A. Klug see?

CMS counts 454 Medicare patients who saw Dr. Klug in 2024, with an average age of 77.

Is Dr. Raymond A. Klug board certified?

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

What services does Dr. Raymond A. Klug bill to Medicare?

In 2024, Dr. Klug's most billed Medicare services were injected or infused drug (J3304), office visit, established patient (99213) and injected or infused drug (J7322).

Where did Dr. Raymond A. Klug go to medical school?

Dr. Klug graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2001.

What drugs does Dr. Raymond A. Klug prescribe most?

In 2024 Medicare Part D data, Dr. Klug's most prescribed drugs by claims were Celecoxib, Evenity (2 Syringes) and Hydrocodone-Acetaminophen.

Has Dr. Raymond A. Klug received payments from drug or device companies?

CMS Open Payments shows $168,577 in general payments to Dr. Klug from 61 companies from 2016 to 2025. The largest total came from Exactech, Inc.

How long has Dr. Raymond A. Klug been practicing?

Dr. Klug graduated from medical school in 2001, 25 years ago.

Does Dr. Raymond A. Klug do research?

Dmand AI links 4 publications to Dr. Klug, published from 2007 to 2009.

Who does Dr. Raymond A. Klug publish with?

Dr. Klug's most frequent co-authors are Andrew Hsiao, MD (1 shared paper), Simon Cavendish Mears, MD, PhD (1 shared paper) and Bradford Parsons, MD (1 shared paper).

What insurance does Dr. Raymond A. Klug accept?

Dr. Klug is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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