Tracy Chiem Hatzopoulos, M.D.
Neurology Physician · Anaheim, CA
Tracy Chiem Hatzopoulos, M.D. is a neurology physician with a practice address in Anaheim, California, and NPI 1679701817, issued on Jun 25, 2009. Check the license (California A125072, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tracy Chiem Hatzopoulos
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A125072 CA
Self-reported in NPPES; status is on the state search - Practice location
- Anaheim Kraemer Medical Office 1, Anaheim, CA 92806
- Phone
- (888) 988-2800
- Enumerated
- Jun 25, 2009
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Verify Tracy Chiem Hatzopoulos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125072Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average neurology physician in 2024
1,856 Medicare Part D claims for 438 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Carbidopa-Levodopa241 claims
- Memantine Hcl231 claims
- Levetiracetam95 claims
- Donepezil Hcl93 claims
- Gabapentin88 claims
- Ropinirole Hcl87 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.
Tracy Chiem Hatzopoulos among 2,339 neurology physician records in California
Tracy Chiem Hatzopoulos, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% 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 58% of them.
- NPI issued2009 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Anaheim → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Sirichai Chayasirisobhon, MDAnaheim, CA 928071063560928
- Suresh Gurbani, MDAnaheim, CA 928071750458774
- Edward Markus, DOAnaheim, CA 928071093882920
- Divina Oropilla, MDAnaheim, CA 928071891854485
- Susan Skinner, MDAnaheim, CA 928071053488924
- Benjamin Spurgeon, DOAnaheim, CA 928071720155641
- Chong Kim, MDAnaheim, CA 928041538188347
- Sung-Un Park, MDAnaheim, CA 928041649298084
Common questions
What is Tracy Chiem Hatzopoulos, M.D.'s NPI number?
Tracy Chiem Hatzopoulos, M.D.'s National Provider Identifier (NPI) is 1679701817, issued on Jun 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Tracy Chiem Hatzopoulos, M.D. located?
The NPPES record lists a practice address at Anaheim Kraemer Medical Office 1, Anaheim, CA, 92806. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Tracy Chiem Hatzopoulos, M.D.'s license?
NPPES lists California license number A125072, 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 Tracy Chiem Hatzopoulos, M.D. prescribe under Medicare Part D?
In 2024, Tracy Chiem Hatzopoulos, M.D. had 1,856 Medicare Part D claims for 438 beneficiaries; the average among neurology physician prescribers was 1,370. 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.