Emily Katherine Ackerman, M.D.
Psychiatry Physician · Ventura, CA
Emily Katherine Ackerman, M.D. is a psychiatry physician with a practice address in Ventura, California, and NPI 1861887945, issued on Apr 5, 2015. Check the license (California A146938, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Emily Katherine Ackerman
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A146938 CA
Self-reported in NPPES; status is on the state search - Practice location
- 801 Seneca St, Ventura, CA 93001
- Phone
- (626) 977-0497
- Enumerated
- Apr 5, 2015
- Record last updated
- Apr 11, 2025
- Fax
- (818) 279-0611
- Medicare enrollment
- Enrolled (PECOS I20210802002782); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 801 Seneca St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allen Johnson, PHARM.D.Pharmacist1639164312
- Manju Sharma-Beatty, MDPsychiatry Physician1477683282
Verify Emily Katherine Ackerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A146938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average psychiatry physician in 2024
443 Medicare Part D claims for 73 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate47 claims
- Bupropion Xl35 claims
- Duloxetine Hcl26 claims
- Aripiprazole24 claims
- Escitalopram Oxalate23 claims
- Olanzapine22 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: $618.41
24 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 13,693 providers of this specialty with any payment received $4,954.93 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 2 group practices
- Clarity-James Medical Services CorpSan Rafael, CA
- Innovative Medical Solutions Inc A Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emily Katherine Ackerman among 8,673 psychiatry physician records in California
Emily Katherine Ackerman, 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 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2015 · median 2005 among the 3,295 with a school on file
- Record last updated2025 · 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).
74 psychiatry physician records list a practice address in Ventura
They are 74 of the 4,435 NPPES records with a practice address in Ventura, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Ventura → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Margaret November, M.D.Ventura, CA 930011326265265
- Steven Ruths, MDVentura, CA 930011093748519
- Manju Sharma-Beatty, MDVentura, CA 930011477683282
- Beena Anantharaman, M.D.Ventura, CA 930031396713376
- Pedro EvaVentura, CA 930031962444703
- Michael Ferguson, M.D.Ventura, CA 930031770586851
- Nomi Fredrick, M.D.Ventura, CA 930031538192471
- Victoria Hendrick, M.D.Ventura, CA 930031205943131
Common questions
What is Emily Katherine Ackerman, M.D.'s NPI number?
Emily Katherine Ackerman, M.D.'s National Provider Identifier (NPI) is 1861887945, issued on Apr 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Emily Katherine Ackerman, M.D. located?
The NPPES record lists a practice address at 801 Seneca St, Ventura, CA, 93001. Phone: (626) 977-0497. Providers update this record themselves, so call before visiting.
How can I verify Emily Katherine Ackerman, M.D.'s license?
NPPES lists California license number A146938, 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 Emily Katherine Ackerman, M.D. prescribe under Medicare Part D?
In 2024, Emily Katherine Ackerman, M.D. had 443 Medicare Part D claims for 73 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.