Dr. Martin Chaoyueh Tien, MD
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 3,195
- Hospital affiliations
- 1
- Industry payments
- $67
- Medical group
- 1
- Practice address
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Practice phone
- Call (626) 851-1011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tien's professional email, personal email and mobile number
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Dr. Martin Chaoyueh Tien is an internist in Baldwin Park, California
Dr. Tien practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.
Dr. Tien's NPI, 1619940103, was assigned on February 7, 2006. Dr. Tien graduated from New York Medical College in 1997. Dr. Tien holds Nevada license 9532.
- NPI
- 1619940103NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375523012
- NPI enumeration date
- February 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 851-1011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Martin Chaoyueh Tien practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California
Dr. Tien's primary practice is Kaiser Permanente Baldwin Park Medical Center, at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706 in Los Angeles County. The practice phone is (626) 851-1011.
- Kaiser Permanente Baldwin Park Medical Center1011 Baldwin Park Blvd, Baldwin Park, CA 91706 · Los Angeles CountyPhone(626) 851-1011
Source: Dmand AI Affiliation Data
Dr. Martin Chaoyueh Tien is affiliated with 1 site of care and 1 medical group
Dr. Tien's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Martin Chaoyueh Tien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Baldwin Park Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martin Chaoyueh Tien is one of 16,751 internists in California
Internal medicine is Dr. Tien's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tien is licensed in Nevada.
Specialties and state licenses
- Internal medicine, NevadaPrimary
Internists near Dr. Tien
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. Martin Chaoyueh Tien treated 12 Medicare patients in 2024, average age 74
CMS counts 12 Medicare patients who saw Dr. Tien in 2024. The largest group is under 65, with 0 patients. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tien's median patient age at 64, with 53% women.
Dr. Tien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
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. Martin Chaoyueh Tien wrote 3,195 Medicare Part D claims in 2024
In 2024, Dr. Tien wrote 3,195 Medicare Part D claims for 664 patients. 87% of them were for generic drugs. CMS names the drug for 2,715 of them, across 60 drugs with 11 or more claims each, at $116,998 in total drug cost. In 2023, CMS named 2,469 claims across 58 drugs.
Dr. Tien's Part D claims by kind of drug, 2024
- Generic2,783 claims87%
- Brand-name325 claims10%
- Other87 claims3%
Dr. Tien'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. Tien's Part D claims, 2024
- Opioids2%73 of 3,195 claims
- Antibiotics3%98 of 3,195 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: 2,4692024: 2,71510%
Drugs named by CMS: 60 in 2024, 58 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. Martin Chaoyueh Tien offers telehealth to Medicare patients
Dr. Tien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Martin Chaoyueh Tien received $67 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Tien from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $50.
Companies that paid Dr. Tien the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Martin Chaoyueh Tien graduated from New York Medical College
Dr. Tien graduated from New York Medical College in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Martin Chaoyueh Tien'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 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. Martin Chaoyueh Tien
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. Martin Chaoyueh Tien's NPI number?
Dr. Martin Chaoyueh Tien's NPI number is 1619940103. It was assigned on February 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Martin Chaoyueh Tien?
Dr. Martin Chaoyueh Tien is an internist in Baldwin Park, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Martin Chaoyueh Tien practice?
Dr. Tien practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. Dr. Tien's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.
What is Dr. Martin Chaoyueh Tien's office phone number?
The practice phone on file for Dr. Tien is (626) 851-1011.
What is Dr. Martin Chaoyueh Tien's medical license number?
Dr. Tien holds Nevada license 9532.
Which hospitals is Dr. Martin Chaoyueh Tien affiliated with?
Dr. Tien practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California.
What medical group is Dr. Martin Chaoyueh Tien part of?
Dr. Tien is linked to Southern California Permanente Medical Group.
Does Dr. Martin Chaoyueh Tien accept Medicare?
Yes. CMS lists Dr. Tien as accepting Medicare assignment.
Does Dr. Martin Chaoyueh Tien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Tien as offering telehealth services.
How many Medicare patients does Dr. Martin Chaoyueh Tien see?
CMS counts 12 Medicare patients who saw Dr. Tien in 2024, with an average age of 74.
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Where did Dr. Martin Chaoyueh Tien go to medical school?
Dr. Tien graduated from New York Medical College in 1997.
What drugs does Dr. Martin Chaoyueh Tien prescribe most?
In 2024 Medicare Part D data, Dr. Tien's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
Has Dr. Martin Chaoyueh Tien received payments from drug or device companies?
CMS Open Payments shows $67 in general payments to Dr. Tien from 2 companies from 2016 to 2016. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Martin Chaoyueh Tien been practicing?
Dr. Tien graduated from medical school in 1997, 29 years ago.
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