Dr. Tamar Hoffmann, MD
- Medicare services, 2024
- 278
- Medicare patients, 2024
- 142
- Part D claims, 2024
- 1,418
- Hospital affiliations
- 1
- Industry payments
- $1,315
- Practice address
- 640 Ulukahiki St, Kailua, HI 96734
- Practice phone
- Call (808) 263-5015
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Tamar Hoffmann is an internist in Kailua, Hawaii
Dr. Hoffmann practices at Adventist Health Castle in Kailua, Hawaii, part of Adventist Health.
Dr. Hoffmann's NPI, 1720173347, was assigned on October 3, 2006. Dr. Hoffmann holds Hawaii license MD 6321.
- NPI
- 1720173347NPI Registry (opens in a new tab)
- NPI enumeration date
- October 3, 2006
- NPI status
- Active
- Practice phone
- (808) 263-5015
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Tamar Hoffmann practices at Adventist Health Castle in Kailua, Hawaii
Dr. Hoffmann's primary practice is Adventist Health Castle, at 640 Ulukahiki St, Kailua, HI 96734 in Honolulu County. The practice phone is (808) 263-5015.
- Adventist Health Castle640 Ulukahiki St, Kailua, HI 96734 · Honolulu CountyPhone(808) 263-5015
Source: Dmand AI Affiliation Data
Dr. Tamar Hoffmann is affiliated with 1 site of care and 1 medical group
Dr. Hoffmann's primary practice is Adventist Health Castle in Kailua, Hawaii, part of Adventist Health. The medical group on file is Adventist Health Castle Medical Center. Dr. Hoffmann's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tamar Hoffmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hoffmann practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Castle | 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 Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tamar Hoffmann is one of 771 internists in Hawaii
Internal medicine is Dr. Hoffmann's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hoffmann is licensed in Hawaii.
Specialties and state licenses
- Internal medicine, HawaiiPrimary
Internists near Dr. Hoffmann
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. Tamar Hoffmann billed Medicare for 278 services in 2024
CMS data shows 278 Medicare services from Dr. Hoffmann across 4 procedure codes in 2024, all of them office visits, for 142 Medicare patients. Medicare paid $22,706 for them. Every service was in an office.
Dr. Hoffmann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2292024: 27821%
- Tests and treatments
- 2023: 132024: 0100%
Dr. Hoffmann compared with the Hawaii median for internists, 2024
- Dr. Hoffmann
- Hawaii median
- Medicare services
- 278vs 34219% below
- Medicare patients
- 142vs 12811% above
- Part D claims
- 932vs 67039% above
Medians across 699 internists in Hawaii with Dmand AI profiles that report each measure.
Dr. Hoffmann'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tamar Hoffmann treated 142 Medicare patients in 2024, average age 78
CMS counts 142 Medicare patients who saw Dr. Hoffmann in 2024. The largest group is 75 to 84, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hoffmann's median patient age at 73, with 73% women.
Dr. Hoffmann's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hoffmann's Medicare patients by sex, 2024
- Women9668%
- Men4632%
Chronic conditions among Dr. Hoffmann's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis39%
- Osteoporosis33%
- Diabetes23%
- Cancer20%
- Chronic kidney disease20%
- Ischemic heart disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hoffmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women73%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tamar Hoffmann wrote 1,418 Medicare Part D claims in 2024
In 2024, Dr. Hoffmann wrote 1,418 Medicare Part D claims for 223 patients. 89% of them were for generic drugs. CMS names the drug for 932 of them, across 32 drugs with 11 or more claims each, at $52,396 in total drug cost. In 2023, CMS named 565 claims across 25 drugs.
Dr. Hoffmann's Part D claims by kind of drug, 2024
- Generic1,268 claims89%
- Brand-name and other150 claims11%
Dr. Hoffmann'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. Hoffmann's Part D claims, 2024
- Antibiotics3%36 of 1,418 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: 5652024: 93265%
Drugs named by CMS: 32 in 2024, 25 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
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Dr. Tamar Hoffmann received $1,315 in industry payments from 2016 to 2025
CMS Open Payments shows 31 general payments to Dr. Hoffmann from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Madrigal Pharmaceuticals paid the most, $269.
General payments to Dr. Hoffmann by program year, 2016 to 2025
Companies that paid Dr. Hoffmann the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Tamar Hoffmann'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Tamar Hoffmann
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. Tamar Hoffmann's NPI number?
Dr. Tamar Hoffmann's NPI number is 1720173347. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tamar Hoffmann?
Dr. Tamar Hoffmann is an internist in Kailua, Hawaii. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tamar Hoffmann practice?
Dr. Hoffmann practices at 640 Ulukahiki St, Kailua, HI 96734. Dr. Hoffmann's primary practice is Adventist Health Castle in Kailua, Hawaii, part of Adventist Health.
What is Dr. Tamar Hoffmann's office phone number?
The practice phone on file for Dr. Hoffmann is (808) 263-5015.
What is Dr. Tamar Hoffmann's medical license number?
Dr. Hoffmann holds Hawaii license MD 6321.
Which hospitals is Dr. Tamar Hoffmann affiliated with?
Dr. Hoffmann practices at Adventist Health Castle in Kailua, Hawaii.
What medical group is Dr. Tamar Hoffmann part of?
Dr. Hoffmann is linked to Adventist Health Castle Medical Center.
Does Dr. Tamar Hoffmann accept Medicare?
Yes. CMS data shows Dr. Hoffmann billed Medicare for 278 services in 2024.
How many Medicare patients does Dr. Tamar Hoffmann see?
CMS counts 142 Medicare patients who saw Dr. Hoffmann in 2024, with an average age of 78.
What services does Dr. Tamar Hoffmann bill to Medicare?
In 2024, Dr. Hoffmann's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, new patient (99204).
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What drugs does Dr. Tamar Hoffmann prescribe most?
In 2024 Medicare Part D data, Dr. Hoffmann's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
Has Dr. Tamar Hoffmann received payments from drug or device companies?
CMS Open Payments shows $1,315 in general payments to Dr. Hoffmann from 15 companies from 2016 to 2025. The largest total came from Madrigal Pharmaceuticals.
How long has Dr. Tamar Hoffmann been practicing?
Dr. Hoffmann graduated from medical school in 1978, 48 years ago.
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