Cameron Casey Chang, M.D.
Internal Medicine Physician · Bakersfield, CA
Cameron Casey Chang, M.D. is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1659504330, issued on Aug 28, 2009. Check the license (California A120751, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cameron Casey Chang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A120751 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3001 Sillect Ave, Bakersfield, CA 93308
- Phone
- (661) 316-6000
- Enumerated
- Aug 28, 2009
- Record last updated
- Jul 16, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (661) 310-9506
- Medicare enrollment
- Enrolled (PECOS I20120801000848); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3001 Sillect Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vinutha Chandrasekaran, M.D.Hospitalist Physician1558652735
- Jeri DarrClinical Social Worker1497052070
- Michael George, CRT, RRT, BSRTGeneral Care Registered Respiratory Therapist1194316695
- Palanipriya Kalyan, MDHospitalist Physician1154570703
- Raffi Kartalian, MDEmergency Medicine Physician1831107044
- Keshav KhadkaFamily Nurse Practitioner1306594478
Verify Cameron Casey Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
746 Medicare Part D claims for 250 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Pantoprazole Sodium97 claims
- Doxycycline Hyclate60 claims
- Levofloxacin50 claims
- Prednisone36 claims
- Amoxicillin-Clavulanate Potass33 claims
- Metronidazole27 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.
Industry payments in 2024: $17.48
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Centric HealthBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cameron Casey Chang among 17,696 internal medicine physician records in California
Cameron Casey Chang, 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2009 · median 2004 among the 11,065 with a school on file
- Record last updated2014 · 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
- Henry Chien, M.D.Bakersfield, CA 933081922530864
- 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 Cameron Casey Chang, M.D.'s NPI number?
Cameron Casey Chang, M.D.'s National Provider Identifier (NPI) is 1659504330, issued on Aug 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Cameron Casey Chang, M.D. located?
The NPPES record lists a practice address at 3001 Sillect Ave, Bakersfield, CA, 93308. Phone: (661) 316-6000. Providers update this record themselves, so call before visiting.
How can I verify Cameron Casey Chang, M.D.'s license?
NPPES lists California license number A120751, 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 Cameron Casey Chang, M.D. prescribe under Medicare Part D?
In 2024, Cameron Casey Chang, M.D. had 746 Medicare Part D claims for 250 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.