Dr. Semara Thomas, MD

  • Downey, CA
  • Reproductive endocrinology physician
NPI1578829362
Publications
2
Hospital affiliations
1
Industry payments
$1,216
Medical group
1
Insurance carriers
1
Practice address
9333 Imperial Highway, Downey, CA 90242
Practice phone
Call (562) 461-6007
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Downey Medical Center

Hospital · Downey, California

See all 3 affiliations

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Dr. Semara Thomas is a reproductive endocrinology physician in Downey, California

Dr. Thomas practices at Downey Medical Center in Downey, California, part of Kaiser Permanente.

Dr. Thomas' NPI, 1578829362, was assigned on April 5, 2012. Dr. Thomas graduated from University of Pittsburgh School of Medicine in 2012. Dr. Thomas' California license number on file is A142222.

NPI and contact details
NPI enumeration date
April 5, 2012
NPI status
Active
Practice phone
(562) 461-6007
Professional email
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Personal email
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Mobile number
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Sex
Female
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Semara Thomas practices at Downey Medical Center in Downey, California

Dr. Thomas' primary practice is Downey Medical Center, at 9333 Imperial Highway, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 461-6007.

  • Downey Medical Center
    9333 Imperial Highway, Downey, CA 90242 · Los Angeles CountyPhone(562) 461-6007

Source: Dmand AI Affiliation Data

Dr. Semara Thomas is affiliated with 2 sites of care and 1 medical group

Dr. Thomas' primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Thomas to 1 more breast imaging center, named with a free account.

See all 3 affiliations for Dr. Thomas

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Semara Thomas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Downey Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Thomas practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Semara Thomas is one of 219 reproductive endocrinology physicians in California

Reproductive endocrinology is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207VE0102X. Dr. Thomas is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Thomas' licenses on file in 2 states: California and Virginia.

Specialties and state licenses

  • Reproductive endocrinology, CaliforniaPrimaryLicense A142222 · 2016 to 2025 · taxonomy 207VE0102X
  • Virginia license2012 to 2016

Reproductive endocrinology physicians near Dr. Thomas

Counts of reproductive endocrinology physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Semara Thomas' patients have a median age of 37

Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 37, with 77% women.

Dr. Thomas' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 37

Patient panel by sex, all payers

  • Women77%
  • Men23%

Source: Dmand AI Patient Panel Data

Dr. Semara Thomas has 2 publications on record

Dmand AI links 2 papers to Dr. Thomas in 2014.

Papers2

Recent publications by Dr. Thomas

See all 2 publications and co-authors

See who Dr. Thomas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thomas works with, so you can find a warm path to the right reproductive endocrinology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Semara Thomas received $1,216 in industry payments from 2016 to 2025

CMS Open Payments shows 20 general payments to Dr. Thomas from 6 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 52% of the total. Ferring Pharmaceuticals Inc. paid the most, $837.

General payments to Dr. Thomas by program year, 2016 to 2025

General payments to Dr. Thomas by kind, 2016 to 2025

$1.2Kin total
  • Travel and lodging$63352%
  • Food and beverage$58248%

Companies that paid Dr. Thomas the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Thomas

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Semara Thomas graduated from University of Pittsburgh School of Medicine

Dr. Thomas graduated from University of Pittsburgh School of Medicine in 2012.

  1. Medical schoolUniversity of Pittsburgh School of Medicine
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology
  3. Board certified in reproductive endocrinology/infertilityAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Semara Thomas accepts plans from 1 insurance carrier

Dr. Thomas is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Aetna

Plan types Dr. Thomas accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Semara Thomas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Semara Thomas

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Semara Thomas' NPI number?

Dr. Semara Thomas' NPI number is 1578829362. It was assigned on April 5, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Semara Thomas?

Dr. Semara Thomas is a reproductive endocrinology physician in Downey, California. The primary specialty in the NPI Registry is Reproductive Endocrinology Physician (taxonomy code 207VE0102X).

Where does Dr. Semara Thomas practice?

Dr. Thomas practices at 9333 Imperial Highway, Downey, CA 90242. Dr. Thomas' primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dmand AI also links Dr. Thomas to 1 breast imaging center.

What is Dr. Semara Thomas' office phone number?

The practice phone on file for Dr. Thomas is (562) 461-6007.

What is Dr. Semara Thomas' medical license number?

Dr. Thomas' California license number on file is A142222, one of the licenses on file in 2 states.

Which states has Dr. Semara Thomas been licensed in?

Dmand AI has state licenses on file for Dr. Thomas in California (2016 to 2025) and Virginia (2012 to 2016).

Which hospitals is Dr. Semara Thomas affiliated with?

Dr. Thomas practices at Downey Medical Center in Downey, California.

What medical group is Dr. Semara Thomas part of?

Dr. Thomas is linked to Southern California Permanente Medical Group.

Is Dr. Semara Thomas board certified?

Yes. Dr. Thomas is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

Where did Dr. Semara Thomas go to medical school?

Dr. Thomas graduated from University of Pittsburgh School of Medicine in 2012.

Show 4 more questionsShow fewer questions

Has Dr. Semara Thomas received payments from drug or device companies?

CMS Open Payments shows $1,216 in general payments to Dr. Thomas from 6 companies from 2016 to 2025. The largest total came from Ferring Pharmaceuticals Inc.

How long has Dr. Semara Thomas been practicing?

Dr. Thomas graduated from medical school in 2012, 14 years ago.

Does Dr. Semara Thomas do research?

Dmand AI links 2 publications to Dr. Thomas.

What insurance does Dr. Semara Thomas accept?

Dr. Thomas is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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