J Clin Endocrinol Metab
Dr. Richard Paul Buyalos, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fertility and Surgical Associates
Thousand Oaks, California
Find Dr. Buyalos' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1720012123NPI Registry (opens in a new tab)
- NPI enumeration date
- July 10, 2006
- NPI status
- Active
- Practice phone
- (805) 778-1122
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 Associates325 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.
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.
| Site | EHR vendor and product |
|---|---|
| Fertility and Surgical Associates | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
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, CaliforniaPrimary
- Maryland license
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.
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.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
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.
Dr. Buyalos' most frequent co-authors
Recent publications by Dr. Buyalos
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.
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.
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
- 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.
- Medical school
- Board certified in obstetrics & gynecology
- Board certified in reproductive endocrinology/infertility
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
- PPO9
- HMO8
- Medicare8
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Richard Paul Buyalos's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card