Dr. Buff Randall Greider, MD
- Medicare services, 2024
- 270
- Medicare patients, 2024
- 150
- Part D claims, 2024
- 417
- MIPS score, 2024
- 85
- Industry payments
- $1,290
- Practice address
- 700 W Parr Ave Ste A, Los Gatos, CA 95032
- Practice phone
- Call (408) 871-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
EL CAMINO HEALTH MEDICAL NETWORK, LLC
Urgent Care - Additional Location · Los Gatos, California
Find Dr. Greider's professional email, personal email and mobile number
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Dr. Buff Randall Greider is a family medicine physician in Los Gatos, California
Dr. Greider practices at EL CAMINO HEALTH MEDICAL NETWORK, LLC in Los Gatos, California.
Dr. Greider's NPI, 1811915846, was assigned on July 17, 2006. Dr. Greider graduated from New York Medical College in 1982. Dr. Greider holds California license C-41541.
- NPI
- 1811915846NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870513187
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 871-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Buff Randall Greider practices at 2 locations in Los Gatos, California
Dr. Greider's primary practice is EL CAMINO HEALTH MEDICAL NETWORK, LLC, at 700 W Parr Ave Ste A, Los Gatos, CA 95032. The practice phone is (408) 871-3400. Dr. Greider also practices at El Camino Health Medical Network, 973 University Ave, Los Gatos, CA 95032.
- EL CAMINO HEALTH MEDICAL NETWORK, LLCPrimary700 W Parr Ave Ste A, Los Gatos, CA 95032Phone(408) 871-3400
- El Camino Health Medical Network973 University Ave, Los Gatos, CA 95032 · Santa Clara CountyPhone(408) 871-3400
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Buff Randall Greider is affiliated with 3 sites of care and 1 medical group
Dr. Greider's primary practice is EL CAMINO HEALTH MEDICAL NETWORK, LLC in Los Gatos, California. The medical group on file is El Camino Health Medical Network. Dmand AI also links Dr. Greider to 2 more urgent care centers, each named with a free account. Dr. Greider's employer is on file too: an urgent care center.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Buff Randall Greider's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greider practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| EL CAMINO HEALTH MEDICAL NETWORK, LLC | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Buff Randall Greider is one of 15,680 family medicine physicians in California
Family medicine is Dr. Greider's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Greider's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Texas license
Clinical focus
Dmand AI lists chronic hypertension, corns and calluses, head wound and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Greider treats.
Family medicine physicians near Dr. Greider
Counts of family medicine 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. Buff Randall Greider billed Medicare for 270 services in 2024
CMS data shows 270 Medicare services from Dr. Greider across 8 procedure codes in 2024, for 150 Medicare patients. Medicare paid $20,285 for them. Every service was in an office.
Dr. Greider's Medicare services by type, 2019 to 2024
- 2019
- 2024
- Office and hospital visits
- 2019: 282024: 161475%
- Lab and pathology
- 2019: 02024: 109
Dr. Greider compared with the California median for family medicine physicians, 2024
- Dr. Greider
- California median
- Medicare services
- 270vs 24610% above
- Medicare patients
- 150vs 11827% above
- Part D claims
- 233vs 83372% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Greider's most billed Medicare procedure codes, 2024
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. Greider and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Buff Randall Greider treated 150 Medicare patients in 2024, average age 74
CMS counts 150 Medicare patients who saw Dr. Greider in 2024. The largest group is 65 to 74, with 66 patients. 73% of them have high cholesterol, and 70% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Greider's median patient age at 43, with 54% women.
Dr. Greider's Medicare patients by age, 2024
Dr. Greider's Medicare patients by sex, 2024
- Women9261%
- Men5839%
Chronic conditions among Dr. Greider's Medicare patients, 2024
- High cholesterol73%
- High blood pressure70%
- Arthritis44%
- Chronic kidney disease26%
- Diabetes25%
- Anxiety23%
- Atrial fibrillation22%
- Ischemic heart disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greider's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Buff Randall Greider wrote 417 Medicare Part D claims in 2024
In 2024, Dr. Greider wrote 417 Medicare Part D claims for 153 patients. 94% of them were for generic drugs. CMS names the drug for 233 of them, across 13 drugs with 11 or more claims each, at $2,125 in total drug cost. In 2023, CMS named 170 claims across 10 drugs.
Dr. Greider's Part D claims by kind of drug, 2024
- Generic392 claims94%
- Brand-name and other25 claims6%
Dr. Greider'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. Greider's Part D claims, 2024
- Antibiotics26%108 of 417 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: 1702024: 23337%
Drugs named by CMS: 13 in 2024, 10 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
Dr. Buff Randall Greider scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Greider for performance year 2024, reported as part of a group. Dr. Greider accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Greider's MIPS scores, performance year 2024
- 85of 100Final score
- 80.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Buff Randall Greider received $1,290 in industry payments from 2016 to 2025
CMS Open Payments shows 67 general payments to Dr. Greider from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $174.
General payments to Dr. Greider by program year, 2016 to 2025
Companies that paid Dr. Greider 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. Buff Randall Greider graduated from New York Medical College
Dr. Greider graduated from New York Medical College in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Buff Randall Greider accepts plans from 14 insurance carriers
Dr. Greider is in network with 14 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Greider accepts, by number of carriers
- PPO10
- Medicare8
- HMO6
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Buff Randall Greider'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 Affiliation DataDmand AI Practice 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Buff Randall Greider
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. Buff Randall Greider's NPI number?
Dr. Buff Randall Greider's NPI number is 1811915846. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Buff Randall Greider?
Dr. Buff Randall Greider is a family medicine physician in Los Gatos, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Buff Randall Greider practice?
Dr. Greider practices at 700 W Parr Ave Ste A, Los Gatos, CA 95032. Dr. Greider also practices at 973 University Ave, Los Gatos, CA 95032. Dr. Greider's primary practice is EL CAMINO HEALTH MEDICAL NETWORK, LLC in Los Gatos, California. Dmand AI also links Dr. Greider to 2 urgent care centers.
What is Dr. Buff Randall Greider's office phone number?
The practice phone on file for Dr. Greider is (408) 871-3400.
What is Dr. Buff Randall Greider's medical license number?
Dr. Greider holds California license C-41541, one of the licenses on file in 2 states.
Which states has Dr. Buff Randall Greider been licensed in?
Dmand AI has state licenses on file for Dr. Greider in California (1984 to 2026) and Texas (1983 to 1987).
What medical group is Dr. Buff Randall Greider part of?
Dr. Greider is linked to El Camino Health Medical Network.
Does Dr. Buff Randall Greider accept Medicare?
Yes. CMS data shows Dr. Greider billed Medicare for 270 services in 2024, and Dr. Greider accepts Medicare assignment.
What is Dr. Buff Randall Greider's MIPS score?
Dr. Greider's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Buff Randall Greider see?
CMS counts 150 Medicare patients who saw Dr. Greider in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
What services does Dr. Buff Randall Greider bill to Medicare?
In 2024, Dr. Greider's most billed Medicare services were lab and pathology test (87804), office visit, new patient (99203) and office visit, established patient (99213).
Where did Dr. Buff Randall Greider go to medical school?
Dr. Greider graduated from New York Medical College in 1982.
What drugs does Dr. Buff Randall Greider prescribe most?
In 2024 Medicare Part D data, Dr. Greider's most prescribed drugs by claims were Losartan Potassium, Cephalexin and Atorvastatin Calcium.
Has Dr. Buff Randall Greider received payments from drug or device companies?
CMS Open Payments shows $1,290 in general payments to Dr. Greider from 26 companies from 2016 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Buff Randall Greider been practicing?
Dr. Greider graduated from medical school in 1982, 44 years ago.
What insurance does Dr. Buff Randall Greider accept?
Dr. Greider is in network with 14 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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