Dr. James Lester Grobe, MD
- Medicare services, 2024
- 417
- Medicare patients, 2024
- 200
- Part D claims, 2024
- 1,122
- Hospital affiliations
- 1
- Industry payments
- $2,829
- Practice address
- 1301 Punchbowl St, Honolulu, HI 96813
- Practice phone
- Call (808) 538-9011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grobe's professional email, personal email and mobile number
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Dr. James Lester Grobe is a gastroenterologist in Honolulu, Hawaii
Dr. Grobe practices at The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.
Dr. Grobe's NPI, 1538115019, was assigned on May 26, 2006. Dr. Grobe graduated from University of Arizona College of Medicine in 1975. Dr. Grobe holds Hawaii license 3498.
- NPI
- 1538115019NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658336334
- NPI enumeration date
- May 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 538-9011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Lester Grobe practices at The Queen's Medical Center in Honolulu, Hawaii
Dr. Grobe's primary practice is The Queen's Medical Center, at 1301 Punchbowl St, Honolulu, HI 96813 in Honolulu County. The practice phone is (808) 538-9011.
- The Queen's Medical Center1301 Punchbowl St, Honolulu, HI 96813 · Honolulu CountyPhone(808) 538-9011
Source: Dmand AI Affiliation Data
Dr. James Lester Grobe is affiliated with 1 site of care
Dr. Grobe's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Lester Grobe's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grobe practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Queen's Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across The Queen's Health Systems and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Lester Grobe is one of 76 gastroenterologists in Hawaii
Gastroenterology is Dr. Grobe's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Grobe is licensed in Hawaii.
Specialties and state licenses
- Gastroenterology, HawaiiPrimary
Gastroenterologists near Dr. Grobe
Counts of gastroenterologists 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. James Lester Grobe billed Medicare for 417 services in 2024
CMS data shows 417 Medicare services from Dr. Grobe across 7 procedure codes in 2024, for 200 Medicare patients. Medicare paid $45,851 for them.
Dr. Grobe's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2282024: 2447%
- Surgery
- 2023: 1882024: 14622%
- Other services
- 2023: 302024: 2710%
Where Dr. Grobe's Medicare services took place, 2024
- In an office24459%
- In a facility17341%
Dr. Grobe compared with the Hawaii median for gastroenterologists, 2024
- Dr. Grobe
- Hawaii median
- Medicare services
- 417vs 30139% above
- Medicare patients
- 200vs 17018% above
- Part D claims
- 999vs 3003.3 times
Medians across 72 gastroenterologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Grobe'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grobe and other gastroenterologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Lester Grobe treated 200 Medicare patients in 2024, average age 76
CMS counts 200 Medicare patients who saw Dr. Grobe in 2024. The largest group is 75 to 84, with 96 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grobe's median patient age at 74, with 54% women.
Dr. Grobe's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grobe's Medicare patients by sex, 2024
- Women10452%
- Men9648%
Chronic conditions among Dr. Grobe's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis37%
- Chronic kidney disease31%
- Diabetes27%
- Ischemic heart disease20%
- Osteoporosis19%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grobe's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Lester Grobe wrote 1,122 Medicare Part D claims in 2024
In 2024, Dr. Grobe wrote 1,122 Medicare Part D claims for 390 patients. 87% of them were for generic drugs. CMS names the drug for 999 of them, across 19 drugs with 11 or more claims each, at $224,267 in total drug cost. In 2023, CMS named 976 claims across 17 drugs.
Dr. Grobe's Part D claims by kind of drug, 2024
- Generic971 claims87%
- Brand-name151 claims13%
Dr. Grobe'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. Grobe's Part D claims, 2024
- Antibiotics3%36 of 1,122 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: 9762024: 9992%
Drugs named by CMS: 19 in 2024, 17 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
Dr. James Lester Grobe ranks in the 96th percentile for colonoscopy in Medicare
Dr. Grobe accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 243 procedures of colonoscopy by Dr. Grobe, more than 96% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Grobe ranks in Medicare procedure volume
- Colonoscopy
- 96th percentile243 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 81st percentile125 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James Lester Grobe received $2,829 in industry payments from 2016 to 2025
CMS Open Payments shows 157 general payments to Dr. Grobe from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $870.
General payments to Dr. Grobe by program year, 2016 to 2025
Companies that paid Dr. Grobe 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. James Lester Grobe graduated from University of Arizona College of Medicine
Dr. Grobe graduated from University of Arizona College of Medicine in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Lester Grobe'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. James Lester Grobe
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. James Lester Grobe's NPI number?
Dr. James Lester Grobe's NPI number is 1538115019. It was assigned on May 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Lester Grobe?
Dr. James Lester Grobe is a gastroenterologist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. James Lester Grobe practice?
Dr. Grobe practices at 1301 Punchbowl St, Honolulu, HI 96813. Dr. Grobe's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.
What is Dr. James Lester Grobe's office phone number?
The practice phone on file for Dr. Grobe is (808) 538-9011.
What is Dr. James Lester Grobe's medical license number?
Dr. Grobe holds Hawaii license 3498.
Which hospitals is Dr. James Lester Grobe affiliated with?
Dr. Grobe practices at The Queen's Medical Center in Honolulu, Hawaii.
Does Dr. James Lester Grobe accept Medicare?
Yes. CMS data shows Dr. Grobe billed Medicare for 417 services in 2024, and Dr. Grobe accepts Medicare assignment.
How many Medicare patients does Dr. James Lester Grobe see?
CMS counts 200 Medicare patients who saw Dr. Grobe in 2024, with an average age of 76.
What services does Dr. James Lester Grobe bill to Medicare?
In 2024, Dr. Grobe's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45384) and surgery: digestive system (43239).
Where did Dr. James Lester Grobe go to medical school?
Dr. Grobe graduated from University of Arizona College of Medicine in 1975.
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What drugs does Dr. James Lester Grobe prescribe most?
In 2024 Medicare Part D data, Dr. Grobe's most prescribed drugs by claims were Omeprazole, Peg 3350-Electrolyte and Pantoprazole Sodium.
Has Dr. James Lester Grobe received payments from drug or device companies?
CMS Open Payments shows $2,829 in general payments to Dr. Grobe from 14 companies from 2016 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. James Lester Grobe been practicing?
Dr. Grobe graduated from medical school in 1975, 51 years ago.
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