Dr. Richard Paul Buyalos, MD

  • Thousand Oaks, CA
  • Internist
NPI1720012123
Part D claims, 2020
11
Publications
5
Industry payments
$1,661
Insurance carriers
14
State licenses
2
Practice address
325 Rolling Oaks Dr, Thousand Oaks, CA 91361
Practice phone
Call (805) 778-1122
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fertility and Surgical Associates

Thousand Oaks, California

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Dr. Richard Paul Buyalos is an internist in Thousand Oaks, California

Dr. Buyalos practices at Fertility and Surgical Associates in Thousand Oaks, California.

Dr. Buyalos' NPI, 1720012123, was assigned on July 10, 2006. Dr. Buyalos graduated from Sidney Kimmel Medical College in 1983. Dr. Buyalos holds California license G60146.

NPI and contact details
NPI enumeration date
July 10, 2006
NPI status
Active
Practice phone
(805) 778-1122
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1983

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

Dr. Richard Paul Buyalos practices at Fertility and Surgical Associates in Thousand Oaks, California

Dr. Buyalos' primary practice is Fertility and Surgical Associates, at 325 Rolling Oaks Dr, Thousand Oaks, CA 91361 in Ventura County. The practice phone is (805) 778-1122.

  • Fertility and Surgical Associates
    325 Rolling Oaks Dr, Thousand Oaks, CA 91361 · Ventura CountyPhone(805) 778-1122

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Richard Paul Buyalos is affiliated with 1 site of care

Dr. Buyalos' primary practice is Fertility and Surgical Associates in Thousand Oaks, California.

Fertility and Surgical AssociatesThousand Oaks, CaliforniaPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Richard Paul Buyalos' practice

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

EHR by site
SiteEHR vendor and product
Fertility and Surgical AssociatesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Richard Paul Buyalos is one of 16,751 internists in California

Internal medicine is Dr. Buyalos' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Buyalos is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Buyalos' licenses on file in 2 states: California and Maryland.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G60146 · 1987 to 2026 · taxonomy 207R00000X
  • Maryland license1986 to 1990

Internists near Dr. Buyalos

Counts of internists 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. Richard Paul Buyalos' patients have a median age of 39

Across all payers, Dmand AI patient panel data puts Dr. Buyalos' median patient age at 39, with 79% women.

Dr. Buyalos' patients across all payers

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

Patient panel by age, all payers

Median age 39

Patient panel by sex, all payers

  • Women79%
  • Men20%

Source: Dmand AI Patient Panel Data

Dr. Richard Paul Buyalos wrote 11 Medicare Part D claims in 2020

In 2020, Dr. Buyalos wrote 11 Medicare Part D claims. They cover 1 drug, with $207 in total drug cost. In 2018, CMS named 14 claims across 1 drug.

Part D claims, 202011
Drugs named by CMS1
Total drug cost$207

Dr. Buyalos' most prescribed drugs by claims, 2020

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2018 to 2020

  • 2018
  • 2020
Claims for drugs CMS names
2018: 142020: 1121%

Drugs named by CMS: 1 in 2020, 1 in 2018.

See all prescribing by Dr. Buyalos

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Richard Paul Buyalos has 5 publications on record

Dmand AI links 5 papers to Dr. Buyalos, published from 2021 to 2024. Dr. Buyalos' most frequent co-author is Ricardo Azziz, MD.

Papers5
Years published2021 to 2024

Dr. Buyalos' most frequent co-authors

Recent publications by Dr. Buyalos

See all 5 publications and co-authors

See who Dr. Buyalos researches with

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

How network discovery works

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

Dr. Richard Paul Buyalos received $1,661 in industry payments from 2016 to 2025

CMS Open Payments shows 107 general payments to Dr. Buyalos from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Ferring Pharmaceuticals Inc. paid the most, $434.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Buyalos

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

Dr. Richard Paul Buyalos has 1 award and honors on record

Dmand AI lists 1 award for Dr. Buyalos.

Awards and honors for Dr. Buyalos

  1. Undated
    • ACOG Fellow

Source: Dmand AI Professional Profile Data

Dr. Richard Paul Buyalos graduated from Sidney Kimmel Medical College

Dr. Buyalos graduated from Sidney Kimmel Medical College in 1983.

  1. Medical schoolSidney Kimmel Medical College
  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. Richard Paul Buyalos accepts plans from 14 insurance carriers

Dr. Buyalos is in network with 14 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Buyalos accepts, by number of carriers

  1. PPO9
  2. HMO8
  3. Medicare8
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Richard Paul Buyalos'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
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)
Awards and committee rolesDmand AI Professional Profile Data
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. Richard Paul Buyalos

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. Richard Paul Buyalos' NPI number?

Dr. Richard Paul Buyalos' NPI number is 1720012123. It was assigned on July 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Richard Paul Buyalos?

Dr. Richard Paul Buyalos is an internist in Thousand Oaks, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Richard Paul Buyalos practice?

Dr. Buyalos practices at 325 Rolling Oaks Dr, Thousand Oaks, CA 91361. Dr. Buyalos' primary practice is Fertility and Surgical Associates in Thousand Oaks, California.

What is Dr. Richard Paul Buyalos' office phone number?

The practice phone on file for Dr. Buyalos is (805) 778-1122.

What is Dr. Richard Paul Buyalos' medical license number?

Dr. Buyalos holds California license G60146, one of the licenses on file in 2 states.

Which states has Dr. Richard Paul Buyalos been licensed in?

Dmand AI has state licenses on file for Dr. Buyalos in California (1987 to 2026) and Maryland (1986 to 1990).

Is Dr. Richard Paul Buyalos board certified?

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

Where did Dr. Richard Paul Buyalos go to medical school?

Dr. Buyalos graduated from Sidney Kimmel Medical College in 1983.

What drugs does Dr. Richard Paul Buyalos prescribe most?

In 2020 Medicare Part D data, Dr. Buyalos' most prescribed drugs by claims were Isibloom.

Has Dr. Richard Paul Buyalos received payments from drug or device companies?

CMS Open Payments shows $1,661 in general payments to Dr. Buyalos from 13 companies from 2016 to 2025. The largest total came from Ferring Pharmaceuticals Inc.

Show 4 more questionsShow fewer questions

How long has Dr. Richard Paul Buyalos been practicing?

Dr. Buyalos graduated from medical school in 1983, 43 years ago.

Does Dr. Richard Paul Buyalos do research?

Dmand AI links 5 publications to Dr. Buyalos, published from 2021 to 2024.

Who does Dr. Richard Paul Buyalos publish with?

Dr. Buyalos' most frequent co-authors are Ricardo Azziz, MD (3 shared papers).

What insurance does Dr. Richard Paul Buyalos accept?

Dr. Buyalos is in network with 14 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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