Dr. Barry Ray Buffman, MD
- Medicare services, 2020
- 193
- Part D claims, 2024
- 5,002
- Industry payments
- $6,001
- Affiliated sites
- 1
- Medical groups
- 4
- Practice address
- 44725 10th St W Ste 170 Suite 170, Lancaster, CA 93534-3000
- Practice phone
- Call (661) 726-3724
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
First Valley Medical Group Ipa
Primary care practice · Lancaster, California
Find Dr. Buffman's 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. Barry Ray Buffman is a urologist in Lancaster, California
Dr. Buffman practices at First Valley Medical Group Ipa in Lancaster, California.
Dr. Buffman's NPI, 1356480016, was assigned on February 6, 2007. Dr. Buffman graduated from Rush Medical College in 1977. Dr. Buffman's California license number on file is G82000.
- NPI
- 1356480016NPI Registry (opens in a new tab)
- NPI enumeration date
- February 6, 2007
- NPI status
- Active
- Practice phone
- (661) 726-3724
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Barry Ray Buffman practices at First Valley Medical Group Ipa in Lancaster, California
Dr. Buffman's primary practice is First Valley Medical Group Ipa, at 44725 10th St W Ste 170 Suite 170, Lancaster, CA 93534-3000. The practice phone is (661) 726-3724.
- First Valley Medical Group Ipa44725 10th St W Ste 170 Suite 170, Lancaster, CA 93534-3000Phone(661) 726-3724
Source: Dmand AI Affiliation Data
Dr. Barry Ray Buffman is affiliated with 1 site of care and 4 medical groups
Dr. Buffman's primary practice is First Valley Medical Group Ipa in Lancaster, California. The medical group on file is Sierra Medical Group. Dmand AI also links Dr. Buffman to 3 more medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Barry Ray Buffman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buffman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| First Valley Medical Group Ipa | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Barry Ray Buffman is one of 1,395 urologists in California
Urology is Dr. Buffman's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dmand AI has Dr. Buffman's licenses on file in 2 states: California and New Jersey.
Specialties and state licenses
- Urology, CaliforniaPrimary
- New Jersey license
Urologists near Dr. Buffman
Counts of urologists 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. Barry Ray Buffman billed Medicare for 193 services in 2020
CMS data shows 193 Medicare services from Dr. Buffman across 4 procedure codes in 2020. Medicare paid $25,235 for them. Every service was in an office.
Dr. Buffman's Medicare services by type, 2018 to 2020
- 2018
- 2020
- Office and hospital visits
- 2018: 142020: 1611050%
- Other services
- 2018: 02020: 19
- Lab and pathology
- 2018: 02020: 13
Dr. Buffman compared with the California median for urologists, 2020
- Dr. Buffman
- California median
- Medicare services
- 193vs 1,05082% below
- Part D claims
- 4,228vs 6426.6 times
Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.
Dr. Buffman's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Buffman and other urologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barry Ray Buffman's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. Buffman's median patient age at 68, with 44% women.
Dr. Buffman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women44%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Barry Ray Buffman wrote 5,002 Medicare Part D claims in 2024
In 2024, Dr. Buffman wrote 5,002 Medicare Part D claims for 333 patients. 87% of them were for generic drugs. CMS names the drug for 4,228 of them, across 115 drugs with 11 or more claims each, at $299,567 in total drug cost. In 2023, CMS named 4,165 claims across 116 drugs.
Dr. Buffman's Part D claims by kind of drug, 2024
- Generic4,334 claims87%
- Brand-name623 claims12%
- Other45 claims1%
Dr. Buffman's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Buffman's Part D claims, 2024
- Opioids6%325 of 5,002 claims
- Antibiotics4%200 of 5,002 claims
- Antipsychotics, patients 65 and over0%12 of 5,002 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,1652024: 4,2282%
Drugs named by CMS: 115 in 2024, 116 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Barry Ray Buffman received $6,001 in industry payments from 2016 to 2025
CMS Open Payments shows 205 general payments to Dr. Buffman from 44 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,720.
General payments to Dr. Buffman by program year, 2016 to 2025
General payments to Dr. Buffman by kind, 2016 to 2025
- Food and beverage$5,982100%
- Education$190%
Companies that paid Dr. Buffman 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. Barry Ray Buffman graduated from Rush Medical College
Dr. Buffman graduated from Rush Medical College in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Barry Ray Buffman accepts plans from 5 insurance carriers
Dr. Buffman is in network with 5 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
Plan types Dr. Buffman accepts, by number of carriers
- Medicare5
- PPO4
- HMO3
- EPO2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Barry Ray Buffman'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Barry Ray Buffman
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. Barry Ray Buffman's NPI number?
Dr. Barry Ray Buffman's NPI number is 1356480016. It was assigned on February 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Barry Ray Buffman?
Dr. Barry Ray Buffman is a urologist in Lancaster, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Barry Ray Buffman practice?
Dr. Buffman practices at 44725 10th St W Ste 170 Suite 170, Lancaster, CA 93534-3000. Dr. Buffman's primary practice is First Valley Medical Group Ipa in Lancaster, California. Dmand AI also links Dr. Buffman to 3 medical groups.
What is Dr. Barry Ray Buffman's office phone number?
The practice phone on file for Dr. Buffman is (661) 726-3724.
What is Dr. Barry Ray Buffman's medical license number?
Dr. Buffman's California license number on file is G82000, one of the licenses on file in 2 states.
Which states has Dr. Barry Ray Buffman been licensed in?
Dmand AI has state licenses on file for Dr. Buffman in California (1995 to 2025) and New Jersey (1995 to 1997).
What medical group is Dr. Barry Ray Buffman part of?
Dr. Buffman is linked to Sierra Medical Group. Dmand AI links Dr. Buffman to 3 more medical groups.
Does Dr. Barry Ray Buffman accept Medicare?
Yes. CMS data shows Dr. Buffman billed Medicare for 193 services in 2020.
What services does Dr. Barry Ray Buffman bill to Medicare?
In 2020, Dr. Buffman's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and medical service (U0004).
Where did Dr. Barry Ray Buffman go to medical school?
Dr. Buffman graduated from Rush Medical College in 1977.
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What drugs does Dr. Barry Ray Buffman prescribe most?
In 2024 Medicare Part D data, Dr. Buffman's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Alprazolam.
Has Dr. Barry Ray Buffman received payments from drug or device companies?
CMS Open Payments shows $6,001 in general payments to Dr. Buffman from 44 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Barry Ray Buffman been practicing?
Dr. Buffman graduated from medical school in 1977, 49 years ago.
What insurance does Dr. Barry Ray Buffman accept?
Dr. Buffman is in network with 5 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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