Dr. Robert L. Grubb III, MD

  • Mount Pleasant, SC
  • Urologist
NPI1558388058PAC ID0840221115
Medicare services, 2024
1,328
Medicare patients, 2024
509
Part D claims, 2024
1,076
Publications
32
Clinical trials
1
Practice address
1208 2 Island Ct, Mount Pleasant, SC 29466
Practice phone
Call (803) 286-4666
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MUSC Physicians

Mount Pleasant, South Carolina

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Dr. Robert L. Grubb III is a urologist in Mount Pleasant, South Carolina

Dr. Grubb practices at MUSC Physicians in Mount Pleasant, South Carolina.

Dr. Grubb's NPI, 1558388058, was assigned on July 17, 2006. Dr. Grubb graduated from Emory School of Medicine in 1996. Dr. Grubb holds South Carolina license 51820.

NPI and contact details
Medicare PAC ID
0840221115
NPI enumeration date
July 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(803) 286-4666
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

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

Dr. Robert L. Grubb III practices at MUSC Physicians in Mount Pleasant, South Carolina

Dr. Grubb's primary practice is MUSC Physicians, at 1208 2 Island Ct, Mount Pleasant, SC 29466 in Charleston County. The practice phone is (803) 286-4666.

  • MUSC Physicians
    1208 2 Island Ct, Mount Pleasant, SC 29466 · Charleston CountyPhone(803) 286-4666

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

Dr. Robert L. Grubb III is affiliated with 7 sites of care and 1 medical group

Dr. Grubb's primary practice is MUSC Physicians in Mount Pleasant, South Carolina. Dr. Grubb is also affiliated with MUSC Health University Medical Center. The medical group on file is MUSC Health. Dmand AI also links Dr. Grubb to 4 more hospitals and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Grubb

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

Dmand AI tracks the EHR system at Dr. Robert L. Grubb III's practice

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

EHR by site
SiteEHR vendor and product
MUSC PhysiciansAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Robert L. Grubb III is one of 199 urologists in South Carolina

Urology is Dr. Grubb's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Grubb is board certified in urology by the American Board of Urology. Dmand AI has Dr. Grubb's licenses on file in 3 states: South Carolina, Missouri and Maryland.

Specialties and state licenses

  • Urology, South CarolinaPrimaryLicense 51820 · 2017 to 2027 · taxonomy 208800000X
  • Missouri licenseLicense 2005013263 · 2005 to 2026
  • Maryland license2002 to 2006

Clinical focus

Dmand AI lists bladder disease, bladder removal, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney cysts, kidney removal surgery and kidney stone disease among the conditions Dr. Grubb treats.

Urologists near Dr. Grubb

Counts of urologists 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 L. Grubb III billed Medicare for 1,328 services in 2024

CMS data shows 1,328 Medicare services from Dr. Grubb across 15 procedure codes in 2024, for 509 Medicare patients. Medicare paid $67,790 for them.

Medicare services, 20241,328
Medicare patients509
Paid by Medicare$67,790
Procedure codes15

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

  • 2023
  • 2024
Office and hospital visits
2023: 6622024: 6551%
Other services
2023: 02024: 304
Surgery
2023: 2312024: 2128%
Lab and pathology
2023: 1792024: 14221%
Imaging
2023: 172024: 1512%

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

  • In an office75457%
  • In a facility57443%

Dr. Grubb compared with the South Carolina median for urologists, 2024

  • Dr. Grubb
  • South Carolina median
Medicare services
1,328vs 2,47346% below
Medicare patients
509vs 57912% below
Part D claims
894vs 79013% above

Medians across 195 urologists in South Carolina with Dmand AI profiles that report each measure.

Dr. Grubb'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. Grubb

Need commercial claims for Dr. Grubb?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grubb and other urologists in South Carolina.

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

Dr. Robert L. Grubb III treated 509 Medicare patients in 2024, average age 73

CMS counts 509 Medicare patients who saw Dr. Grubb in 2024. The largest group is 65 to 74, with 254 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.66, 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. Grubb's median patient age at 70, with 23% women.

Medicare patients, 2024509
Average age73
Average risk score1.66
Also on Medicaid8%

Dr. Grubb's Medicare patients by age, 2024

Dr. Grubb's Medicare patients by sex, 2024

  • Women11623%
  • Men39377%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer46%
  4. Arthritis45%
  5. Chronic kidney disease36%
  6. Diabetes33%
  7. Ischemic heart disease33%
  8. Anxiety25%

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

Dr. Grubb's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women23%
  • Men76%

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

Dr. Robert L. Grubb III wrote 1,076 Medicare Part D claims in 2024

In 2024, Dr. Grubb wrote 1,076 Medicare Part D claims for 244 patients. 89% of them were for generic drugs. CMS names the drug for 894 of them, across 15 drugs with 11 or more claims each, at $94,972 in total drug cost. In 2023, CMS named 828 claims across 12 drugs.

Part D claims, 20241,076
Drugs named by CMS15
Total drug cost$94,972
Part D patients244

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

  • Generic957 claims89%
  • Brand-name119 claims11%

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

  • Opioids1%12 of 1,076 claims
  • Antibiotics7%78 of 1,076 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: 8282024: 8948%

Drugs named by CMS: 15 in 2024, 12 in 2023.

See all prescribing by Dr. Grubb

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 L. Grubb III scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Grubb for performance year 2024, reported as part of a group. Dr. Grubb accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Grubb as offering telehealth. CMS counts 11 procedures of prostate resection by Dr. Grubb, more than 60% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Grubb's MIPS scores, performance year 2024

  • 79of 100Final score
  • 62.4of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Grubb ranks in Medicare procedure volume

Prostate resection
60th percentile11 procedures

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

Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 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)

For MedTech and pharma teams

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Dr. Robert L. Grubb III has 32 publications on record

Dmand AI links 32 papers to Dr. Grubb, published from 2009 to 2024. 2021 was the busiest year, with 4. The most frequent topics are Prostatic Neoplasms, Prostate-Specific Antigen and Early Detection of Cancer. Dr. Grubb has published most often in J Urol. Dr. Grubb's most frequent co-authors are Gerald L. Andriole, MD, Elward David Crawford, MD and Jonathan Andrew Coleman, MD.

Papers32
Years published2009 to 2024

Dr. Grubb's papers by year, 2009 to 2024

Topics Dr. Grubb writes about most

  • Prostatic Neoplasms
  • Prostate-Specific Antigen
  • Early Detection of Cancer
  • Mass Screening
  • Prostatectomy
  • Biomarkers, Tumor
  • Biopsy
  • Colorectal Neoplasms

Dr. Grubb's most frequent co-authors

Recent publications by Dr. Grubb

See all 32 publications and co-authors

See who Dr. Grubb researches with

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

How network discovery works

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

Dr. Robert L. Grubb III has worked on 1 clinical trial

Dmand AI links Dr. Grubb to 1 clinical trial. Conditions studied include Prostatic Neoplasms and Prostatic Diseases.

Conditions in Dr. Grubb's trials

  • Prostatic Neoplasms
  • Prostatic Diseases

Recent clinical trials with Dr. Grubb

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

Dr. Robert L. Grubb III received $3,516 in industry payments from 2016 to 2025

CMS Open Payments shows 62 general payments to Dr. Grubb from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Urogen Pharma, Inc. paid the most, $664.

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

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

$3.5Kin total
  • Food and beverage$3,35896%
  • Education$1584%

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

Share is of all general payments to this clinician.

See all payments to Dr. Grubb

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

Dr. Robert L. Grubb III has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Grubb, most recently CMS Stage 1 EHR in 2012.

Awards and honors for Dr. Grubb

  1. 2012
    • CMS Stage 1 EHR
  2. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Robert L. Grubb III graduated from Emory School of Medicine

Dr. Grubb graduated from Emory School of Medicine in 1996. Dr. Grubb is a member of ACS and Society of Urologic Oncology.

  1. Medical schoolEmory School of Medicine
  2. Board certified in urologyAmerican Board of Urology

Source: Dmand AI Professional Profile Data

Dr. Robert L. Grubb III accepts plans from 18 insurance carriers

Dr. Grubb is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Grubb accepts, by number of carriers

  1. PPO13
  2. Medicare11
  3. HMO10
  4. POS7
  5. EPO5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert L. Grubb III'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)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)
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. Robert L. Grubb III

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 L. Grubb III's NPI number?

Dr. Robert L. Grubb III's NPI number is 1558388058. It was assigned on July 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert L. Grubb III?

Dr. Robert L. Grubb III is a urologist in Mount Pleasant, South Carolina. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).

Where does Dr. Robert L. Grubb III practice?

Dr. Grubb practices at 1208 2 Island Ct, Mount Pleasant, SC 29466. Dr. Grubb's primary practice is MUSC Physicians in Mount Pleasant, South Carolina. Dmand AI also links Dr. Grubb to 4 hospitals and 1 group practice or clinic.

What is Dr. Robert L. Grubb III's office phone number?

The practice phone on file for Dr. Grubb is (803) 286-4666.

What is Dr. Robert L. Grubb III's medical license number?

Dr. Grubb holds South Carolina license 51820, one of the licenses on file in 3 states.

Which states has Dr. Robert L. Grubb III been licensed in?

Dmand AI has state licenses on file for Dr. Grubb in South Carolina (2017 to 2027), Missouri (2005 to 2026) and Maryland (2002 to 2006).

Which hospitals is Dr. Robert L. Grubb III affiliated with?

Dr. Grubb is affiliated with MUSC Health University Medical Center. Dmand AI links Dr. Grubb to 4 more hospitals.

What medical group is Dr. Robert L. Grubb III part of?

Dr. Grubb is linked to MUSC Health.

Does Dr. Robert L. Grubb III accept Medicare?

Yes. CMS data shows Dr. Grubb billed Medicare for 1,328 services in 2024, and Dr. Grubb accepts Medicare assignment.

Does Dr. Robert L. Grubb III offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. Robert L. Grubb III's MIPS score?

Dr. Grubb's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

How many Medicare patients does Dr. Robert L. Grubb III see?

CMS counts 509 Medicare patients who saw Dr. Grubb in 2024, with an average age of 73.

Is Dr. Robert L. Grubb III board certified?

Yes. Dr. Grubb is board certified in urology by the American Board of Urology.

What services does Dr. Robert L. Grubb III bill to Medicare?

In 2024, Dr. Grubb's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).

Where did Dr. Robert L. Grubb III go to medical school?

Dr. Grubb graduated from Emory School of Medicine in 1996.

What drugs does Dr. Robert L. Grubb III prescribe most?

In 2024 Medicare Part D data, Dr. Grubb's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Dutasteride.

Has Dr. Robert L. Grubb III received payments from drug or device companies?

CMS Open Payments shows $3,516 in general payments to Dr. Grubb from 24 companies from 2016 to 2025. The largest total came from Urogen Pharma, Inc.

How long has Dr. Robert L. Grubb III been practicing?

Dr. Grubb graduated from medical school in 1996, 30 years ago.

Does Dr. Robert L. Grubb III do research?

Dmand AI links 32 publications to Dr. Grubb, published from 2009 to 2024. Dr. Grubb has worked on 1 clinical trial.

Who does Dr. Robert L. Grubb III publish with?

Dr. Grubb's most frequent co-authors are Gerald L. Andriole, MD (7 shared papers), Elward David Crawford, MD (4 shared papers) and Jonathan Andrew Coleman, MD (3 shared papers).

What insurance does Dr. Robert L. Grubb III accept?

Dr. Grubb is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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