Tatyana Ellison, M.D.
Psychiatry Physician · Laguna Hills, CA
Tatyana Ellison, M.D. is a psychiatry physician with a practice address in Laguna Hills, California, and NPI 1477868578, issued on Aug 12, 2010. Check the license (California A129792, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tatyana Ellison
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A129792 CA
BP10036836 TX
Self-reported in NPPES; status is on the state search - Practice location
- 24012 Calle DE LA Plata Ste 430, Laguna Hills, CA 92653
- Phone
- (949) 500-8833
- Enumerated
- Aug 12, 2010
- Record last updated
- May 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141001002337); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Tatyana Ellison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A129792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average psychiatry physician in 2024
158 Medicare Part D claims for 40 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Buspirone Hcl17 claims
- Bupropion Xl13 claims
- Quetiapine Fumarate12 claims
- Escitalopram Oxalate11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Hoag ClinicNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tatyana Ellison among 8,673 psychiatry physician records in California
Tatyana Ellison, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2010 · median 2005 among the 3,295 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Laguna Hills → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Thomas Backus, M.D.Laguna Hills, CA 926531831288828
- Phillip Cohen, M.D.Laguna Hills, CA 926531144231986
- Dennis De Pry, D.O.Laguna Hills, CA 926531386731909
- Chona Green, MDLaguna Hills, CA 926531437219441
- Jason Guthridge, BCABALaguna Hills, CA 926531679868194
- Debra Hill, M.D.Laguna Hills, CA 926531376825638
- Steven Keys, M.D.Laguna Hills, CA 926531962575332
- Robert Lee, DOLaguna Hills, CA 926531679839385
Common questions
What is Tatyana Ellison, M.D.'s NPI number?
Tatyana Ellison, M.D.'s National Provider Identifier (NPI) is 1477868578, issued on Aug 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Tatyana Ellison, M.D. located?
The NPPES record lists a practice address at 24012 Calle DE LA Plata Ste 430, Laguna Hills, CA, 92653. Phone: (949) 500-8833. Providers update this record themselves, so call before visiting.
How can I verify Tatyana Ellison, M.D.'s license?
NPPES lists California license number A129792, 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 Tatyana Ellison, M.D. prescribe under Medicare Part D?
In 2024, Tatyana Ellison, M.D. had 158 Medicare Part D claims for 40 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Tatyana Ellison, M.D.'s MIPS final score?
The 2023 MIPS final score is 84 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.