Dr. Robert G. Martindale, MD

  • Portland, OR
  • General surgeon
NPI1154339604PAC ID1759319957
Medicare services, 2024
103
Medicare patients, 2024
70
Part D claims, 2024
310
Publications
157
Clinical trials
2
Practice address
3181 SW Sam Jackson Park Road, Portland, OR 97239
Practice phone
Call (503) 494-9000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

OHSU Hospital

Hospital · Portland, Oregon

See all 7 affiliations

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Dr. Robert G. Martindale is a general surgeon in Portland, Oregon

Dr. Martindale practices at OHSU Hospital in Portland, Oregon, part of State of Oregon.

Dr. Martindale's NPI, 1154339604, was assigned on August 3, 2006. Dr. Martindale graduated from George Washington University School of Medicine in 1984. Dr. Martindale holds Oregon license MD25790.

NPI and contact details
Medicare PAC ID
1759319957
NPI enumeration date
August 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(503) 494-9000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
68
Medical school graduation
1984

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

Dr. Robert G. Martindale practices at OHSU Hospital in Portland, Oregon

Dr. Martindale's primary practice is OHSU Hospital, at 3181 SW Sam Jackson Park Road, Portland, OR 97239 in Multnomah County. The practice phone is (503) 494-9000.

  • OHSU Hospital
    3181 SW Sam Jackson Park Road, Portland, OR 97239 · Multnomah CountyPhone(503) 494-9000

Source: Dmand AI Affiliation Data

Dr. Robert G. Martindale is affiliated with 6 sites of care and 1 medical group

Dr. Martindale's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dr. Martindale is also affiliated with Adventist Health Portland. The medical group on file is Oregon Health & Science University (OHSU). Dmand AI also links Dr. Martindale to 2 more hospitals, 1 clinical lab and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Martindale

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

Dmand AI tracks the EHR system at Dr. Robert G. Martindale's practice

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

EHR by site
SiteEHR vendor and product
OHSU HospitalAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert G. Martindale is one of 438 general surgeons in Oregon

Surgery is Dr. Martindale's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Martindale is licensed in Oregon.

Specialties and state licenses

  • Surgery, OregonPrimaryLicense MD25790 · taxonomy 208600000X

General surgeons near Dr. Martindale

Counts of general 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 G. Martindale billed Medicare for 103 services in 2024

CMS data shows 103 Medicare services from Dr. Martindale across 5 procedure codes in 2024, for 70 Medicare patients. Medicare paid $6,195 for them.

Medicare services, 2024103
Medicare patients70
Paid by Medicare$6,195
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 1042024: 8320%
Other services
2023: 02024: 20

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

  • In an office9188%
  • In a facility1212%

Dr. Martindale compared with the Oregon median for general surgeons, 2024

  • Dr. Martindale
  • Oregon median
Medicare services
103vs 8324% above
Medicare patients
70vs 8215% below
Part D claims
278vs 475.9 times

Medians across 433 general surgeons in Oregon with Dmand AI profiles that report each measure.

Dr. Martindale'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. Martindale

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

Dr. Robert G. Martindale treated 70 Medicare patients in 2024, average age 65

CMS counts 70 Medicare patients who saw Dr. Martindale in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high blood pressure, and 64% have mood disorders. 27% are also on Medicaid. Their average risk score is 2.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Martindale's median patient age at 65, with 60% women.

Medicare patients, 202470
Average age65
Average risk score2.65
Also on Medicaid27%

Dr. Martindale's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Martindale's Medicare patients by sex, 2024

  • Women4463%
  • Men2637%

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

  1. High blood pressure75%
  2. Mood disorders64%
  3. Depression60%
  4. Anxiety51%
  5. High cholesterol49%
  6. Arthritis44%
  7. Diabetes33%
  8. Chronic kidney disease30%

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

Dr. Martindale's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Dr. Robert G. Martindale wrote 310 Medicare Part D claims in 2024

In 2024, Dr. Martindale wrote 310 Medicare Part D claims for 31 patients. 56% of them were for generic drugs. CMS names the drug for 278 of them, across 9 drugs with 11 or more claims each, at $52,873 in total drug cost. In 2023, CMS named 249 claims across 6 drugs.

Part D claims, 2024310
Drugs named by CMS9
Total drug cost$52,873
Part D patients31

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

  • Generic175 claims56%
  • Brand-name135 claims44%

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

  • Opioids4%12 of 310 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: 2492024: 27812%

Drugs named by CMS: 9 in 2024, 6 in 2023.

See all prescribing by Dr. Martindale

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. Robert G. Martindale scored 99 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Martindale for performance year 2024, reported through an alternative payment model (APM). Dr. Martindale accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Martindale as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Martindale's MIPS scores, performance year 2024

  • 99of 100Final score
  • 84.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Robert G. Martindale has 157 publications on record

Dmand AI links 157 papers to Dr. Martindale, published from 2011 to 2025. 2017 was the busiest year, with 17. The most frequent topics are Critical Illness, Enteral Nutrition and Parenteral Nutrition. Dr. Martindale has published most often in JPEN J Parenter Enteral Nutr. Dr. Martindale's most frequent co-authors are Ryan T. Hurt, MD, Stephen A. McClave, MD and Manpreet Singh Mundi, MD.

Papers157
Years published2011 to 2025

Dr. Martindale's papers by year, 2016 to 2025

Topics Dr. Martindale writes about most

  • Critical Illness
  • Enteral Nutrition
  • Parenteral Nutrition
  • Critical Care
  • Nutritional Support
  • Intensive Care Units
  • Postoperative Complications
  • Nutritional Status

Dr. Martindale's most frequent co-authors

Recent publications by Dr. Martindale

See all 157 publications and co-authors

See who Dr. Martindale researches with

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

How network discovery works

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

Dr. Robert G. Martindale has worked on 2 clinical trials

Dmand AI links Dr. Martindale to 2 clinical trials. Conditions studied include Incisional Hernia and Hernia. Open Payments lists research payments to Dr. Martindale that name 1 trial.

Conditions in Dr. Martindale's trials

  • Incisional Hernia
  • Hernia

Investigators on the most trials with Dr. Martindale

Recent clinical trials with Dr. Martindale

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Robert G. Martindale received $1,191,033 in industry payments from 2016 to 2025

CMS Open Payments shows 930 general payments to Dr. Martindale from 18 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 50% of the total. Allergan Inc. paid the most, $481,323. It also lists 1 research payment totaling $60 in 2025, naming 1 clinical trial.

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

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

$1.2Min total
  • Speaker and faculty fees$589,12050%
  • Consulting fees$289,12524%
  • Honoraria$139,52512%
  • Travel and lodging$133,77211%
  • Other$34,1513%

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

Share is of all general payments to this clinician.

See all payments to Dr. Martindale

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

Dr. Robert G. Martindale graduated from George Washington University School of Medicine

Dr. Martindale graduated from George Washington University School of Medicine in 1984.

  1. Medical schoolGeorge Washington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Robert G. Martindale'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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Robert G. Martindale

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 G. Martindale's NPI number?

Dr. Robert G. Martindale's NPI number is 1154339604. It was assigned on August 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert G. Martindale?

Dr. Robert G. Martindale is a general surgeon in Portland, Oregon. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Robert G. Martindale practice?

Dr. Martindale practices at 3181 SW Sam Jackson Park Road, Portland, OR 97239. Dr. Martindale's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dmand AI also links Dr. Martindale to 2 hospitals, 1 clinical lab and 1 group practice or clinic.

What is Dr. Robert G. Martindale's office phone number?

The practice phone on file for Dr. Martindale is (503) 494-9000.

What is Dr. Robert G. Martindale's medical license number?

Dr. Martindale holds Oregon license MD25790.

Which hospitals is Dr. Robert G. Martindale affiliated with?

Dr. Martindale practices at OHSU Hospital in Portland, Oregon. Dr. Martindale is also affiliated with Adventist Health Portland. Dmand AI links Dr. Martindale to 2 more hospitals.

What medical group is Dr. Robert G. Martindale part of?

Dr. Martindale is linked to Oregon Health & Science University (OHSU).

Does Dr. Robert G. Martindale accept Medicare?

Yes. CMS data shows Dr. Martindale billed Medicare for 103 services in 2024, and Dr. Martindale accepts Medicare assignment.

Does Dr. Robert G. Martindale offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Martindale as offering telehealth services.

What is Dr. Robert G. Martindale's MIPS score?

Dr. Martindale's MIPS final score for performance year 2024 is 99 out of 100, reported through an alternative payment model (APM).

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Robert G. Martindale see?

CMS counts 70 Medicare patients who saw Dr. Martindale in 2024, with an average age of 65.

What services does Dr. Robert G. Martindale bill to Medicare?

In 2024, Dr. Martindale's most billed Medicare services were office visit, established patient (99214), care management and other visits (99441) and care management and other visits (99442).

Where did Dr. Robert G. Martindale go to medical school?

Dr. Martindale graduated from George Washington University School of Medicine in 1984.

What drugs does Dr. Robert G. Martindale prescribe most?

In 2024 Medicare Part D data, Dr. Martindale's most prescribed drugs by claims were Lactated Ringers, Promethazine HCl and Clinisol.

Has Dr. Robert G. Martindale received payments from drug or device companies?

CMS Open Payments shows $1,191,033 in general payments to Dr. Martindale from 18 companies from 2016 to 2025. The largest total came from Allergan Inc.

How long has Dr. Robert G. Martindale been practicing?

Dr. Martindale graduated from medical school in 1984, 42 years ago.

Does Dr. Robert G. Martindale do research?

Dmand AI links 157 publications to Dr. Martindale, published from 2011 to 2025. Dr. Martindale has worked on 2 clinical trials.

Who does Dr. Robert G. Martindale publish with?

Dr. Martindale's most frequent co-authors are Ryan T. Hurt, MD (18 shared papers), Stephen A. McClave, MD (13 shared papers) and Manpreet Singh Mundi, MD (12 shared papers).

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