Dr. Mark Brown, MD
- Medicare services, 2017
- 59
- Part D claims, 2024
- 102
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $13
- 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
Find Dr. Brown's professional email, personal email and mobile number
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Dr. Mark Brown is an emergency medicine physician in Lancaster, California
Dr. Brown practices at Antelope Valley Medical Center in Lancaster, California, part of Antelope Valley Healthcare District.
Dr. Brown's NPI, 1336105675, was assigned on April 25, 2006. Dr. Brown graduated from Geisel School Of Medicine At Dartmouth in 1982. Dr. Brown holds California license G50087.
- NPI
- 1336105675NPI Registry (opens in a new tab)
- NPI enumeration date
- April 25, 2006
- NPI status
- Active
- Practice phone
- (661) 949-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark Brown practices at Antelope Valley Medical Center in Lancaster, California
Dr. Brown'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
Dr. Mark Brown is affiliated with 1 site of care
Dr. Brown's primary practice is Antelope Valley Medical Center in Lancaster, California, part of Antelope Valley Healthcare District.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Brown's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brown 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.
Dr. Mark Brown is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Brown's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Brown is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Brown is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Brown
Counts of emergency 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. Mark Brown billed Medicare for 59 services in 2017
CMS data shows 59 Medicare services from Dr. Brown across 3 procedure codes in 2017. Medicare paid $4,963 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Brown's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 462017: 437%
- Tests and treatments
- 2016: 02017: 16
Dr. Brown compared with the California median for emergency medicine physicians, 2017
- Dr. Brown
- California median
- Medicare services
- 59vs 26578% below
- Part D claims
- 29vs 6253% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Brown's most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Brown?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Brown and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Brown's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Dr. Brown's median patient age at 32, with 64% women.
Dr. Brown's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women64%
- Men36%
Source: Dmand AI Patient Panel Data
Dr. Mark Brown wrote 102 Medicare Part D claims in 2024
In 2024, Dr. Brown wrote 102 Medicare Part D claims for 14 patients. 75% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $7,250 in total drug cost. In 2023, CMS named 63 claims across 5 drugs.
Dr. Brown's Part D claims by kind of drug, 2024
- Generic76 claims75%
- Brand-name and other26 claims25%
Dr. Brown'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 632024: 2954%
Drugs named by CMS: 2 in 2024, 5 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. Mark Brown has 1 publication on record
Dmand AI links 1 paper to Dr. Brown in 2020.
Recent publications by Dr. Brown
See who Dr. Brown researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Brown works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Brown received $13 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Brown from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Vapotherm Inc paid the most, $13.
Companies that paid Dr. Brown the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Brown graduated from Geisel School Of Medicine At Dartmouth
Dr. Brown graduated from Geisel School Of Medicine At Dartmouth in 1982. Dr. Brown is a member of ACEP.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Brown'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 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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Mark Brown
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. Mark Brown's NPI number?
Dr. Mark Brown's NPI number is 1336105675. It was assigned on April 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Brown?
Dr. Mark Brown is an emergency medicine physician in Lancaster, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Mark Brown practice?
Dr. Brown practices at 1600 W Ave J, Lancaster, CA 93534. Dr. Brown's primary practice is Antelope Valley Medical Center in Lancaster, California, part of Antelope Valley Healthcare District.
What is Dr. Mark Brown's office phone number?
The practice phone on file for Dr. Brown is (661) 949-5500.
What is Dr. Mark Brown's medical license number?
Dr. Brown holds California license G50087.
Which hospitals is Dr. Mark Brown affiliated with?
Dr. Brown practices at Antelope Valley Medical Center in Lancaster, California.
Does Dr. Mark Brown accept Medicare?
Yes. CMS data shows Dr. Brown billed Medicare for 59 services in 2017.
Is Dr. Mark Brown board certified?
Yes. Dr. Brown is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Mark Brown bill to Medicare?
In 2017, Dr. Brown's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and heart test or procedure (93010).
Where did Dr. Mark Brown go to medical school?
Dr. Brown graduated from Geisel School Of Medicine At Dartmouth in 1982.
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What drugs does Dr. Mark Brown prescribe most?
In 2024 Medicare Part D data, Dr. Brown's most prescribed drugs by claims were Zolpidem Tartrate and Jardiance.
Has Dr. Mark Brown received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Brown from 1 company from 2017 to 2017. The largest total came from Vapotherm Inc.
How long has Dr. Mark Brown been practicing?
Dr. Brown graduated from medical school in 1982, 44 years ago.
Does Dr. Mark Brown do research?
Dmand AI links 1 publication to Dr. Brown.
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