Dr. Tyffany P. Chen, MD
- Medicare services, 2024
- 34
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 335
- Hospital affiliations
- 1
- Industry payments
- $162
- 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
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Dr. Tyffany P. Chen is a hospitalist in Honolulu, Hawaii
Dr. Chen practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente.
Dr. Chen's NPI, 1790028488, was assigned on April 1, 2013. Dr. Chen graduated from Vanderbilt University School of Medicine in 2013. Dr. Chen holds Hawaii license MD-22063.
- NPI
- 1790028488NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981982808
- NPI enumeration date
- April 1, 2013
- 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
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tyffany P. Chen practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii
Dr. Chen'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. Tyffany P. Chen is affiliated with 1 site of care and 1 medical group
Dr. Chen'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).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tyffany P. Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. 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 |
Source: Dmand AI Technology Install Data
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Dr. Tyffany P. Chen is one of 159 hospitalists in Hawaii
Hospitalist is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dmand AI has Dr. Chen's licenses on file in 2 states: Hawaii and California.
Specialties and state licenses
- Hospitalist, HawaiiPrimary
- California license
Hospitalists near Dr. Chen
Counts of hospitalists 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. Tyffany P. Chen billed Medicare for 34 services in 2024
CMS data shows 34 Medicare services from Dr. Chen across 1 procedure code in 2024, for 16 Medicare patients. Medicare paid $3,120 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chen compared with the Hawaii median for hospitalists, 2024
- Dr. Chen
- Hawaii median
- Medicare services
- 34vs 22485% below
- Medicare patients
- 16vs 11186% below
- Part D claims
- 100vs 7828% above
Medians across 157 hospitalists in Hawaii with Dmand AI profiles that report each measure.
Dr. Chen'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. Tyffany P. Chen treated 16 Medicare patients in 2024, average age 68
CMS counts 16 Medicare patients who saw Dr. Chen in 2024. 75% of them have high blood pressure, and 69% have heart failure. Their average risk score is 3.08, 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. Chen's median patient age at 60, with 47% women.
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure75%
- Heart failure69%
- High cholesterol69%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tyffany P. Chen wrote 335 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 335 Medicare Part D claims for 94 patients. 88% of them were for generic drugs. CMS names the drug for 100 of them, across 6 drugs with 11 or more claims each, at $1,003 in total drug cost. In 2023, CMS named 109 claims across 8 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic294 claims88%
- Brand-name and other41 claims12%
Dr. Chen'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. Chen's Part D claims, 2024
- Antibiotics14%47 of 335 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: 1092024: 1008%
Drugs named by CMS: 6 in 2024, 8 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. Tyffany P. Chen takes part in Medicare
Dr. Chen 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. Tyffany P. Chen received $162 in industry payments from 2016 to 2019
CMS Open Payments shows 3 general payments to Dr. Chen from 2 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $125.
General payments to Dr. Chen by program year, 2016 to 2019
Companies that paid Dr. Chen the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tyffany P. Chen graduated from Vanderbilt University School of Medicine
Dr. Chen graduated from Vanderbilt University School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tyffany P. Chen'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. Tyffany P. Chen
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. Tyffany P. Chen's NPI number?
Dr. Tyffany P. Chen's NPI number is 1790028488. It was assigned on April 1, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Tyffany P. Chen?
Dr. Tyffany P. Chen is a hospitalist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Tyffany P. Chen practice?
Dr. Chen practices at 3288 Moanalua Rd, Honolulu, HI 96819. Dr. Chen's primary practice is Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente.
What is Dr. Tyffany P. Chen's office phone number?
The practice phone on file for Dr. Chen is (808) 432-0000.
What is Dr. Tyffany P. Chen's medical license number?
Dr. Chen holds Hawaii license MD-22063, one of the licenses on file in 2 states.
Which states has Dr. Tyffany P. Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in Hawaii and California.
Which hospitals is Dr. Tyffany P. Chen affiliated with?
Dr. Chen practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii.
What medical group is Dr. Tyffany P. Chen part of?
Dr. Chen is linked to Hawaii Permanente Medical Group (HPMG).
Does Dr. Tyffany P. Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 34 services in 2024, and Dr. Chen accepts Medicare assignment.
How many Medicare patients does Dr. Tyffany P. Chen see?
CMS counts 16 Medicare patients who saw Dr. Chen in 2024, with an average age of 68.
Show 5 more questionsShow fewer questions
What services does Dr. Tyffany P. Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were hospital inpatient care (99233).
Where did Dr. Tyffany P. Chen go to medical school?
Dr. Chen graduated from Vanderbilt University School of Medicine in 2013.
What drugs does Dr. Tyffany P. Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Losartan Potassium.
Has Dr. Tyffany P. Chen received payments from drug or device companies?
CMS Open Payments shows $162 in general payments to Dr. Chen from 2 companies from 2016 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Tyffany P. Chen been practicing?
Dr. Chen graduated from medical school in 2013, 13 years ago.
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