Dr. Graham C. Clifford, DO

  • Honolulu, HI
  • Emergency medicine physician
NPI1730642901PAC ID2365874500
Medicare services, 2024
544
Medicare patients, 2024
312
Part D claims, 2024
322
Hospital affiliations
1
Industry payments
$116
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
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Social profiles

Primary practice

The Queen's Medical Center

Hospital · Honolulu, Hawaii

See all 6 affiliations

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Dr. Graham C. Clifford is an emergency medicine physician in Honolulu, Hawaii

Dr. Clifford practices at The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.

Dr. Clifford's NPI, 1730642901, was assigned on April 12, 2019. Dr. Clifford graduated from Philadelphia College of Osteopathic Medicine in 2019. Dr. Clifford holds Hawaii license DOS-2352.

NPI and contact details
Medicare PAC ID
2365874500
NPI enumeration date
April 12, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(808) 538-9011
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
33
Medical school graduation
2019

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

Dr. Graham C. Clifford practices at The Queen's Medical Center in Honolulu, Hawaii

Dr. Clifford'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.

Source: Dmand AI Affiliation Data

Dr. Graham C. Clifford is affiliated with 2 sites of care and 4 medical groups

Dr. Clifford's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems. The medical group on file is The Emergency Group (TEG). Dmand AI also links Dr. Clifford to 3 more medical groups and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Clifford

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

Dmand AI tracks the EHR system at Dr. Graham C. Clifford's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clifford practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Queen's Medical CenterAvailable with a free account
+1 more site and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Graham C. Clifford is one of 393 emergency medicine physicians in Hawaii

Emergency medicine is Dr. Clifford's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Clifford's licenses on file in 2 states: Hawaii and Florida.

Specialties and state licenses

  • Emergency medicine, HawaiiPrimaryLicense DOS-2352 · taxonomy 207P00000X
  • Emergency medical services (emergency medicine), FloridaLicense UO6718 · taxonomy 207PE0004X

Emergency medicine physicians near Dr. Clifford

Counts of emergency medicine physicians 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. Graham C. Clifford billed Medicare for 544 services in 2024

CMS data shows 544 Medicare services from Dr. Clifford across 5 procedure codes in 2024, for 312 Medicare patients. Medicare paid $38,705 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024544
Medicare patients312
Paid by Medicare$38,705
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 3002024: 3134%
Tests and treatments
2023: 1062024: 17464%
Imaging
2023: 252024: 57128%

Dr. Clifford compared with the Hawaii median for emergency medicine physicians, 2024

  • Dr. Clifford
  • Hawaii median
Medicare services
544vs 2292.4 times
Medicare patients
312vs 20453% above
Part D claims
229vs 723.2 times

Medians across 378 emergency medicine physicians in Hawaii with Dmand AI profiles that report each measure.

Dr. Clifford'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. Clifford

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

Dr. Graham C. Clifford treated 312 Medicare patients in 2024, average age 74

CMS counts 312 Medicare patients who saw Dr. Clifford in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.17, 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. Clifford's median patient age at 58, with 53% women.

Medicare patients, 2024312
Average age74
Average risk score2.17
Also on Medicaid23%

Dr. Clifford's Medicare patients by age, 2024

Dr. Clifford's Medicare patients by sex, 2024

  • Women15449%
  • Men15851%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease54%
  4. Diabetes50%
  5. Ischemic heart disease40%
  6. Heart failure37%
  7. Arthritis35%
  8. Atrial fibrillation28%

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

Dr. Clifford's patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women53%
  • Men47%

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

Dr. Graham C. Clifford wrote 322 Medicare Part D claims in 2024

In 2024, Dr. Clifford wrote 322 Medicare Part D claims for 203 patients. 93% of them were for generic drugs. CMS names the drug for 229 of them, across 13 drugs with 11 or more claims each, at $2,156 in total drug cost. In 2023, CMS named 68 claims across 4 drugs.

Part D claims, 2024322
Drugs named by CMS13
Total drug cost$2,156
Part D patients203

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

  • Generic299 claims93%
  • Brand-name and other23 claims7%

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

  • Opioids6%20 of 322 claims
  • Antibiotics43%139 of 322 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: 682024: 229237%

Drugs named by CMS: 13 in 2024, 4 in 2023.

See all prescribing by Dr. Clifford

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. Graham C. Clifford offers telehealth to Medicare patients

Dr. Clifford accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Clifford as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Graham C. Clifford received $116 in industry payments in 2021

CMS Open Payments shows 1 general payment to Dr. Clifford from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $116.

Companies that paid Dr. Clifford the most, 2021 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Clifford

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

Dr. Graham C. Clifford graduated from Philadelphia College of Osteopathic Medicine

Dr. Clifford graduated from Philadelphia College of Osteopathic Medicine in 2019.

  1. Medical schoolPhiladelphia College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Graham C. Clifford'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)
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. Graham C. Clifford

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. Graham C. Clifford's NPI number?

Dr. Graham C. Clifford's NPI number is 1730642901. It was assigned on April 12, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Graham C. Clifford?

Dr. Graham C. Clifford is an emergency medicine physician in Honolulu, Hawaii. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Graham C. Clifford practice?

Dr. Clifford practices at 1301 Punchbowl St, Honolulu, HI 96813. Dr. Clifford's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems. Dmand AI also links Dr. Clifford to 3 medical groups and 1 group practice or clinic.

What is Dr. Graham C. Clifford's office phone number?

The practice phone on file for Dr. Clifford is (808) 538-9011.

What is Dr. Graham C. Clifford's medical license number?

Dr. Clifford holds Hawaii license DOS-2352, one of the licenses on file in 2 states.

Which states has Dr. Graham C. Clifford been licensed in?

Dmand AI has state licenses on file for Dr. Clifford in Hawaii and Florida.

Which hospitals is Dr. Graham C. Clifford affiliated with?

Dr. Clifford practices at The Queen's Medical Center in Honolulu, Hawaii.

What medical group is Dr. Graham C. Clifford part of?

Dr. Clifford is linked to The Emergency Group (TEG). Dmand AI links Dr. Clifford to 3 more medical groups.

Does Dr. Graham C. Clifford accept Medicare?

Yes. CMS data shows Dr. Clifford billed Medicare for 544 services in 2024, and Dr. Clifford accepts Medicare assignment.

Does Dr. Graham C. Clifford offer telehealth?

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

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Graham C. Clifford see?

CMS counts 312 Medicare patients who saw Dr. Clifford in 2024, with an average age of 74.

What services does Dr. Graham C. Clifford bill to Medicare?

In 2024, Dr. Clifford's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and diagnostic imaging (71045).

Where did Dr. Graham C. Clifford go to medical school?

Dr. Clifford graduated from Philadelphia College of Osteopathic Medicine in 2019.

What drugs does Dr. Graham C. Clifford prescribe most?

In 2024 Medicare Part D data, Dr. Clifford's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Azithromycin and Prednisone.

Has Dr. Graham C. Clifford received payments from drug or device companies?

CMS Open Payments shows $116 in general payments to Dr. Clifford from 1 company from 2021 to 2021. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Graham C. Clifford been practicing?

Dr. Clifford graduated from medical school in 2019, 7 years ago.

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