Alyssa B. Zackler, M.D.
Obstetrics & Gynecology Physician · Valencia, CA
Alyssa B. Zackler, M.D. is an obstetrics & gynecology physician with a practice address in Valencia, California, and NPI 1720341241, issued on Jun 19, 2012. Check the license (California A143183, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alyssa B. Zackler
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A143183 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23803 Mcbean Pkwy, Valencia, CA 91355
- Phone
- (661) 481-2400
- Enumerated
- Jun 19, 2012
- Record last updated
- Oct 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 00A1431830 CA
- Medicare enrollment
- Enrolled (PECOS I20160825002104); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 23803 Mcbean Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Cavender, MDDermatology Physician1487626867
- Tony Lo, DOPain Medicine Physician1053653881
- Jessica Murphy, M.D.Obstetrics & Gynecology Physician1801158282
- Jennifer Sung, M.D.Urology Physician1043411887
- Louisa Tostado, PA-CPhysician Assistant1013730787
- Gene Tran, D.O.Neurology Physician1003094046
Verify Alyssa B. Zackler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143183Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
162 Medicare Part D claims for 57 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Estradiol51 claims
- Estradiol (Twice Weekly)24 claims
- Clobetasol Propionate15 claims
- Progesterone12 claims
- Medroxyprogesterone Acetate11 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: $104.98
3 payments; by number, the most common kind was food and beverage; the largest payer was Applied Medical Resources Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Providence Facey Medical FoundationValencia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alyssa B. Zackler among 5,088 obstetrics & gynecology physician records in California
Alyssa B. Zackler, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2016 · median 2004 among the 2,700 with a school on file
- Record last updated2016 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Valencia → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- James Creighton, M.D.Valencia, CA 913551144599705
- Morgan Fullerton, MDSanta Clarita, CA 913551497147805
- Cecelia Hann, M.D.Valencia, CA 913551629125075
- Ajit Kittur, MDValencia, CA 913551316960396
- Rachel Long, MDValencia, CA 913551356535371
- Roscoe Marter, MD.Valencia, CA 913551609891142
- Jessica Murphy, M.D.Valencia, CA 913551801158282
- David Nguyen, MD.Valencia, CA 913551811042344
Common questions
What is Alyssa B. Zackler, M.D.'s NPI number?
Alyssa B. Zackler, M.D.'s National Provider Identifier (NPI) is 1720341241, issued on Jun 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa B. Zackler, M.D. located?
The NPPES record lists a practice address at 23803 Mcbean Pkwy, Valencia, CA, 91355. Phone: (661) 481-2400. Providers update this record themselves, so call before visiting.
How can I verify Alyssa B. Zackler, M.D.'s license?
NPPES lists California license number A143183, 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 Alyssa B. Zackler, M.D. prescribe under Medicare Part D?
In 2024, Alyssa B. Zackler, M.D. had 162 Medicare Part D claims for 57 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.