Henry Chien, M.D.
Internal Medicine Physician · Bakersfield, CA
Henry Chien, M.D. is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1922530864, issued on Mar 30, 2017. Check the license (California A169395, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Henry Chien
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A169395 CA
Self-reported in NPPES; status is on the state search - Practice location
- 525 Roberts LN Bldg B, Bakersfield, CA 93308
- Phone
- (661) 772-5240
- Enumerated
- Mar 30, 2017
- Record last updated
- Feb 17, 2024
- Fax
- (661) 759-2240
- Medicare enrollment
- Enrolled (PECOS I20200814000736); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Henry Chien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A169395Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,462 Medicare Part D claims for 160 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium187 claims
- Amlodipine Besylate119 claims
- Lisinopril114 claims
- Gabapentin109 claims
- Losartan Potassium108 claims
- Metformin Hcl107 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Omni Family HealthShafter, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Henry Chien among 17,696 internal medicine physician records in California
Henry Chien, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
214 internal medicine physician records list a practice address in Bakersfield
They are 214 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Bakersfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Baker, M.D.Bakersfield, CA 933081720040793
- Cameron Chang, M.D.Bakersfield, CA 933081659504330
- Maria David, MDBakersfield, CA 933081780775007
- Kyle Heber, M.D.Bakersfield, CA 933081811384787
- Sasank IsolaBakersfield, CA 933081598247223
- Arun Keni, MDBakersfield, CA 933081427050871
- Adam Klang, MDBakersfield, CA 933081386732246
- Olufemi Owolabi, M.D.Bakersfield, CA 933081114182813
Common questions
What is Henry Chien, M.D.'s NPI number?
Henry Chien, M.D.'s National Provider Identifier (NPI) is 1922530864, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Henry Chien, M.D. located?
The NPPES record lists a practice address at 525 Roberts LN Bldg B, Bakersfield, CA, 93308. Phone: (661) 772-5240. Providers update this record themselves, so call before visiting.
How can I verify Henry Chien, M.D.'s license?
NPPES lists California license number A169395, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Henry Chien, M.D. prescribe under Medicare Part D?
In 2024, Henry Chien, M.D. had 2,462 Medicare Part D claims for 160 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.