Geoffrey J. Miller
- Medicare services, 2024
- 64
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 113
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Practice address
- 1600 W Ave J, Lancaster, CA 93534
- Practice phone
- Call (661) 949-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Geoffrey J. Miller is a physician assistant in Lancaster, California
Geoffrey Miller practices at Antelope Valley Medical Center in Lancaster, California, part of Antelope Valley Healthcare District.
Geoffrey Miller's NPI, 1689314486, was assigned on March 30, 2022.
- NPI
- 1689314486NPI Registry (opens in a new tab)
- NPI enumeration date
- March 30, 2022
- NPI status
- Active
- Practice phone
- (661) 949-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Geoffrey J. Miller practices at Antelope Valley Medical Center in Lancaster, California
Geoffrey Miller's primary practice is Antelope Valley Medical Center, at 1600 W Ave J, Lancaster, CA 93534 in Los Angeles County. The practice phone is (661) 949-5500.
- Antelope Valley Medical Center1600 W Ave J, Lancaster, CA 93534 · Los Angeles CountyPhone(661) 949-5500
Source: Dmand AI Affiliation Data
Geoffrey J. Miller is affiliated with 1 site of care and 1 medical group
Geoffrey Miller's primary practice is Antelope Valley Medical Center in Lancaster, California, part of Antelope Valley Healthcare District. The medical group on file is Antelope Valley Emergency Medical Associates.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Geoffrey J. Miller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Geoffrey Miller practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Antelope Valley Medical Center | 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 Antelope Valley Healthcare District and 6.2K+ hospitals, with verified contacts in the same login.
Geoffrey J. Miller is one of 11,482 physician assistants in California
Physician assistant is Geoffrey Miller's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Geoffrey Miller has a license on file in California.
Specialties and state licenses
- Paramedic, California
Physician assistants near Geoffrey Miller
Counts of physician assistants 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
Geoffrey J. Miller billed Medicare for 64 services in 2024
CMS data shows 64 Medicare services from Geoffrey Miller across 2 procedure codes in 2024, for 68 Medicare patients. Medicare paid $5,495 for them. Every service was in a facility, such as a hospital, rather than an office.
Geoffrey Miller compared with the California median for physician assistants, 2024
- Geoffrey Miller
- California median
- Medicare services
- 64vs 20469% below
- Medicare patients
- 68vs 10535% below
- Part D claims
- 23vs 24391% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Geoffrey Miller'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Geoffrey J. Miller treated 68 Medicare patients in 2024, average age 63
CMS counts 68 Medicare patients who saw Geoffrey Miller in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 57% have high cholesterol. 78% are also on Medicaid. Their average risk score is 2.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Geoffrey Miller's median patient age at 34, with 61% women.
Geoffrey Miller's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Geoffrey Miller's Medicare patients by sex, 2024
- Women3551%
- Men3349%
Chronic conditions among Geoffrey Miller's Medicare patients, 2024
- High blood pressure75%
- High cholesterol57%
- Arthritis56%
- Anxiety46%
- Diabetes44%
- Mood disorders43%
- Alcohol and drug use disorders35%
- Depression35%
Share of Medicare patients with each condition. A patient can have several.
Geoffrey Miller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Geoffrey J. Miller wrote 113 Medicare Part D claims in 2024
In 2024, Geoffrey Miller wrote 113 Medicare Part D claims for 90 patients. 91% of them were for generic drugs. CMS names the drug for 23 of them, across 1 drug with 11 or more claims each, at $147 in total drug cost.
Geoffrey Miller's Part D claims by kind of drug, 2024
- Generic103 claims91%
- Brand-name and other10 claims9%
Geoffrey Miller'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 Geoffrey Miller's Part D claims, 2024
- Opioids12%14 of 113 claims
- Antibiotics40%45 of 113 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Geoffrey J. Miller scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Geoffrey Miller for performance year 2024, reported as part of a group.
Geoffrey Miller's MIPS scores, performance year 2024
- 98of 100Final score
- 85.3of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Geoffrey J. Miller'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 DataDmand AI Org Hierarchy 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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 Geoffrey J. Miller
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Geoffrey J. Miller's NPI number?
Geoffrey J. Miller's NPI number is 1689314486. It was assigned on March 30, 2022, and it is active in the NPI Registry.
What does Geoffrey J. Miller specialize in?
Geoffrey J. Miller is a physician assistant in Lancaster, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Geoffrey J. Miller practice?
Geoffrey Miller practices at 1600 W Ave J, Lancaster, CA 93534. Geoffrey Miller's primary practice is Antelope Valley Medical Center in Lancaster, California, part of Antelope Valley Healthcare District.
What is Geoffrey J. Miller's office phone number?
The practice phone on file for Geoffrey Miller is (661) 949-5500.
Which hospitals is Geoffrey J. Miller affiliated with?
Geoffrey Miller practices at Antelope Valley Medical Center in Lancaster, California.
What medical group is Geoffrey J. Miller part of?
Geoffrey Miller is linked to Antelope Valley Emergency Medical Associates.
Does Geoffrey J. Miller accept Medicare?
Yes. CMS data shows Geoffrey Miller billed Medicare for 64 services in 2024.
What is Geoffrey J. Miller's MIPS score?
Geoffrey Miller's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.
How many Medicare patients does Geoffrey J. Miller see?
CMS counts 68 Medicare patients who saw Geoffrey Miller in 2024, with an average age of 63.
What services does Geoffrey J. Miller bill to Medicare?
In 2024, Geoffrey Miller's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
What drugs does Geoffrey J. Miller prescribe most?
In 2024 Medicare Part D data, Geoffrey Miller's most prescribed drugs by claims were Cephalexin.
How long has Geoffrey J. Miller been practicing?
Geoffrey Miller graduated from medical school in 2022, 4 years ago.
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