Dr. Henry Chien, MD
- Medicare services, 2024
- 18
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 2,462
- Industry payments
- $101
- Affiliated sites
- 1
- Practice address
- 525 Roberts Lane, Bakersfield, CA 93308
- Practice phone
- Call (661) 392-7850
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bakersfield - Oildale
FQHC - Main Site · Bakersfield, California
Find Dr. Chien's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Henry Chien is an internist in Bakersfield, California
Dr. Chien practices at Bakersfield - Oildale in Bakersfield, California.
Dr. Chien's NPI, 1922530864, was assigned on March 30, 2017. Dr. Chien graduated from Universidad Autonoma de Guadalajara in 2013. Dr. Chien holds California license A169395.
- NPI
- 1922530864NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416373923
- NPI enumeration date
- March 30, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (661) 392-7850
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- 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. Henry Chien practices at Bakersfield - Oildale in Bakersfield, California
Dr. Chien's primary practice is Bakersfield - Oildale, at 525 Roberts Lane, Bakersfield, CA 93308. The practice phone is (661) 392-7850.
- Bakersfield - Oildale525 Roberts Lane, Bakersfield, CA 93308Phone(661) 392-7850
Source: Dmand AI Affiliation Data
Dr. Henry Chien is affiliated with 1 site of care and 1 medical group
Dr. Chien's primary practice is Bakersfield - Oildale in Bakersfield, California. Dmand AI also links Dr. Chien to 1 medical group, named with a free account. Dr. Chien's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Henry Chien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bakersfield - Oildale | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Henry Chien is one of 16,751 internists in California
Internal medicine is Dr. Chien's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chien is board certified in internal medicine by the American Board of Internal Medicine. Dr. Chien is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute skin infection, ankle or foot injury, asthma, atrial fibrillation and flutter, cardiomyopathy, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Chien treats.
Internists near Dr. Chien
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. Henry Chien billed Medicare for 18 services in 2024
CMS data shows 18 Medicare services from Dr. Chien across 1 procedure code in 2024, for 19 Medicare patients. Medicare paid $171 for them. Every service was in an office.
Dr. Chien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 142024: 1829%
Dr. Chien compared with the California median for internists, 2024
- Dr. Chien
- California median
- Medicare services
- 18vs 36195% below
- Medicare patients
- 19vs 15187% below
- Part D claims
- 2,017vs 4214.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Chien'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.
Need commercial claims for Dr. Chien?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chien and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Henry Chien treated 19 Medicare patients in 2024, average age 65
CMS counts 19 Medicare patients who saw Dr. Chien in 2024. The largest group is 85 and over, with 0 patients. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 1.81, 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. Chien's median patient age at 43, with 61% women.
Dr. Chien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Chien's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Henry Chien wrote 2,462 Medicare Part D claims in 2024
In 2024, Dr. Chien wrote 2,462 Medicare Part D claims for 160 patients. 79% of them were for generic drugs. CMS names the drug for 2,017 of them, across 50 drugs with 11 or more claims each, at $226,211 in total drug cost. In 2023, CMS named 2,445 claims across 53 drugs.
Dr. Chien's Part D claims by kind of drug, 2024
- Generic1,945 claims79%
- Brand-name449 claims18%
- Other68 claims3%
Dr. Chien'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. Chien's Part D claims, 2024
- Opioids1%21 of 2,462 claims
- Antibiotics1%35 of 2,462 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: 2,4452024: 2,01718%
Drugs named by CMS: 50 in 2024, 53 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. Henry Chien takes part in Medicare
Dr. Chien 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. Henry Chien received $101 in industry payments from 2023 to 2025
CMS Open Payments shows 2 general payments to Dr. Chien from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $85.
General payments to Dr. Chien by program year, 2023 to 2025
Companies that paid Dr. Chien the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Henry Chien graduated from Universidad Autonoma de Guadalajara
Dr. Chien graduated from Universidad Autonoma de Guadalajara in 2013.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Henry Chien accepts plans from 16 insurance carriers
Dr. Chien is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +8 more carriersWith a free account
Plan types Dr. Chien accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Henry Chien'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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Henry Chien
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. Henry Chien's NPI number?
Dr. Henry Chien's NPI number is 1922530864. It was assigned on March 30, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Henry Chien?
Dr. Henry Chien is an internist in Bakersfield, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Henry Chien practice?
Dr. Chien practices at 525 Roberts Lane, Bakersfield, CA 93308. Dr. Chien's primary practice is Bakersfield - Oildale in Bakersfield, California. Dmand AI also links Dr. Chien to 1 medical group.
What is Dr. Henry Chien's office phone number?
The practice phone on file for Dr. Chien is (661) 392-7850.
What is Dr. Henry Chien's medical license number?
Dr. Chien holds California license A169395.
Does Dr. Henry Chien accept Medicare?
Yes. CMS data shows Dr. Chien billed Medicare for 18 services in 2024, and Dr. Chien accepts Medicare assignment.
How many Medicare patients does Dr. Henry Chien see?
CMS counts 19 Medicare patients who saw Dr. Chien in 2024, with an average age of 65.
Is Dr. Henry Chien board certified?
Yes. Dr. Chien is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Henry Chien bill to Medicare?
In 2024, Dr. Chien's most billed Medicare services were lab and pathology test (83036).
Where did Dr. Henry Chien go to medical school?
Dr. Chien graduated from Universidad Autonoma de Guadalajara in 2013.
Show 4 more questionsShow fewer questions
What drugs does Dr. Henry Chien prescribe most?
In 2024 Medicare Part D data, Dr. Chien's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Henry Chien received payments from drug or device companies?
CMS Open Payments shows $101 in general payments to Dr. Chien from 2 companies from 2023 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Henry Chien been practicing?
Dr. Chien graduated from medical school in 2013, 13 years ago.
What insurance does Dr. Henry Chien accept?
Dr. Chien is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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