Dr. Paul W. Grandon, MD
- Medicare services, 2024
- 37
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 8,880
- Hospital affiliations
- 1
- Industry payments
- $789
- Practice address
- 3288 Moanalua Rd, Honolulu, HI 96819
- Practice phone
- Call (808) 432-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grandon's professional email, personal email and mobile number
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Dr. Paul W. Grandon is an internist in Honolulu, Hawaii
Dr. Grandon practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente.
Dr. Grandon's NPI, 1215908959, was assigned on January 31, 2006. Dr. Grandon graduated from Louisiana State University School of Medicine in New Orleans in 1983. Dr. Grandon holds Hawaii license MD-21227.
- NPI
- 1215908959NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002814597
- NPI enumeration date
- January 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 432-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Paul W. Grandon practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii
Dr. Grandon's primary practice is Kaiser Permanente Moanalua Medical Center, at 3288 Moanalua Rd, Honolulu, HI 96819 in Honolulu County. The practice phone is (808) 432-0000.
- Kaiser Permanente Moanalua Medical Center3288 Moanalua Rd, Honolulu, HI 96819 · Honolulu CountyPhone(808) 432-0000
Source: Dmand AI Affiliation Data
Dr. Paul W. Grandon is affiliated with 2 sites of care and 2 medical groups
Dr. Grandon's primary practice is Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente. The medical group on file is Hawaii Permanente Medical Group (HPMG). Dmand AI also links Dr. Grandon to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Paul W. Grandon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grandon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Moanalua Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Paul W. Grandon is one of 771 internists in Hawaii
Internal medicine is Dr. Grandon's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Grandon's licenses on file in 2 states: Hawaii and Louisiana.
Specialties and state licenses
- Internal medicine, HawaiiPrimary
- Louisiana license
Internists near Dr. Grandon
Counts of internists 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. Paul W. Grandon billed Medicare for 37 services in 2024
CMS data shows 37 Medicare services from Dr. Grandon across 1 procedure code in 2024, all of them office visits, for 30 Medicare patients. Medicare paid $1,278 for them. Every service was in an office.
Dr. Grandon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 222024: 3768%
Dr. Grandon compared with the Hawaii median for internists, 2024
- Dr. Grandon
- Hawaii median
- Medicare services
- 37vs 34289% below
- Medicare patients
- 30vs 12877% below
- Part D claims
- 8,197vs 67012.2 times
Medians across 699 internists in Hawaii with Dmand AI profiles that report each measure.
Dr. Grandon'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. Grandon and other internists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Paul W. Grandon treated 30 Medicare patients in 2024, average age 65
CMS counts 30 Medicare patients who saw Dr. Grandon in 2024. The largest group is 65 to 74, with 11 patients. 57% of them have high blood pressure, and 43% have high cholesterol. 47% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grandon's median patient age at 59, with 45% women.
Dr. Grandon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Grandon's Medicare patients, 2024
- High blood pressure57%
- High cholesterol43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grandon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Paul W. Grandon wrote 8,880 Medicare Part D claims in 2024
In 2024, Dr. Grandon wrote 8,880 Medicare Part D claims for 933 patients. 87% of them were for generic drugs. CMS names the drug for 8,197 of them, across 124 drugs with 11 or more claims each, at $429,330 in total drug cost. In 2023, CMS named 7,346 claims across 130 drugs.
Dr. Grandon's Part D claims by kind of drug, 2024
- Generic7,689 claims87%
- Brand-name1,082 claims12%
- Other109 claims1%
Dr. Grandon'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. Grandon's Part D claims, 2024
- Opioids3%296 of 8,880 claims
- Antibiotics2%146 of 8,880 claims
- Antipsychotics, patients 65 and over0%23 of 8,880 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: 7,3462024: 8,19712%
Drugs named by CMS: 124 in 2024, 130 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
How Dr. Paul W. Grandon takes part in Medicare
Dr. Grandon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Paul W. Grandon received $789 in industry payments from 2016 to 2022
CMS Open Payments shows 50 general payments to Dr. Grandon from 12 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $219.
General payments to Dr. Grandon by program year, 2016 to 2022
Companies that paid Dr. Grandon the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Paul W. Grandon graduated from Louisiana State University School of Medicine in New Orleans
Dr. Grandon graduated from Louisiana State University School of Medicine in New Orleans in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Paul W. Grandon'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) |
| 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. Paul W. Grandon
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. Paul W. Grandon's NPI number?
Dr. Paul W. Grandon's NPI number is 1215908959. It was assigned on January 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Paul W. Grandon?
Dr. Paul W. Grandon is an internist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Paul W. Grandon practice?
Dr. Grandon practices at 3288 Moanalua Rd, Honolulu, HI 96819. Dr. Grandon's primary practice is Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente. Dmand AI also links Dr. Grandon to 1 group practice or clinic and 1 medical group.
What is Dr. Paul W. Grandon's office phone number?
The practice phone on file for Dr. Grandon is (808) 432-0000.
What is Dr. Paul W. Grandon's medical license number?
Dr. Grandon holds Hawaii license MD-21227, one of the licenses on file in 2 states.
Which states has Dr. Paul W. Grandon been licensed in?
Dmand AI has state licenses on file for Dr. Grandon in Hawaii and Louisiana.
Which hospitals is Dr. Paul W. Grandon affiliated with?
Dr. Grandon practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii.
What medical group is Dr. Paul W. Grandon part of?
Dr. Grandon is linked to Hawaii Permanente Medical Group (HPMG). Dmand AI links Dr. Grandon to 1 more medical group.
Does Dr. Paul W. Grandon accept Medicare?
Yes. CMS data shows Dr. Grandon billed Medicare for 37 services in 2024, and Dr. Grandon accepts Medicare assignment.
How many Medicare patients does Dr. Paul W. Grandon see?
CMS counts 30 Medicare patients who saw Dr. Grandon in 2024, with an average age of 65.
Show 5 more questionsShow fewer questions
What services does Dr. Paul W. Grandon bill to Medicare?
In 2024, Dr. Grandon's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Paul W. Grandon go to medical school?
Dr. Grandon graduated from Louisiana State University School of Medicine in New Orleans in 1983.
What drugs does Dr. Paul W. Grandon prescribe most?
In 2024 Medicare Part D data, Dr. Grandon's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Paul W. Grandon received payments from drug or device companies?
CMS Open Payments shows $789 in general payments to Dr. Grandon from 12 companies from 2016 to 2022. The largest total came from Amgen Inc.
How long has Dr. Paul W. Grandon been practicing?
Dr. Grandon graduated from medical school in 1983, 43 years ago.
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