Mark Dalen
- Medicare services, 2024
- 12
- Medicare patients, 2026
- 18
- Part D claims, 2026
- 370
- Hospital affiliations
- 1
- Industry payments
- $609
- Practice address
- 1800 Medical Center Dr, San Bernardino, CA 92411
- Practice phone
- Call (909) 880-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ENT And Sinus Center
Medical specialty practice · San Bernardino, California
Find Mark Dalen'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.
Mark Dalen is a physician assistant in San Bernardino, California
Mark Dalen practices at ENT And Sinus Center in San Bernardino, California.
Mark Dalen's NPI, 1437837598, was assigned on July 10, 2023. Mark Dalen holds California license 63245.
- NPI
- 1437837598NPI Registry (opens in a new tab)
- NPI enumeration date
- July 10, 2023
- NPI status
- Active
- Practice phone
- (909) 880-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Mark Dalen practices at ENT and Sinus Center in San Bernardino, California
Mark Dalen's primary practice is ENT and Sinus Center, at 1800 Medical Center Dr, San Bernardino, CA 92411. The practice phone is (909) 880-2000.
- ENT and Sinus Center1800 Medical Center Dr, San Bernardino, CA 92411Phone(909) 880-2000
Source: Dmand AI Affiliation Data
Mark Dalen is affiliated with 2 sites of care and 2 medical groups
Mark Dalen's primary practice is ENT And Sinus Center in San Bernardino, California. Mark Dalen is also affiliated with Pomona Valley Hospital Medical Center. The medical group on file is Vituity. Dmand AI also links Mark Dalen to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark Dalen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Dalen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ENT And Sinus Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Dalen is one of 11,482 physician assistants in California
Physician assistant is Mark Dalen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mark Dalen is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Mark Dalen
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
Mark Dalen billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Mark Dalen across 1 procedure code in 2024, for 18 Medicare patients. Medicare paid $1,417 for them. Every service was in a facility, such as a hospital, rather than an office.
Mark Dalen compared with the California median for physician assistants, 2024
- Mark Dalen
- California median
- Medicare services
- 12vs 20494% below
- Medicare patients
- 18vs 10583% below
- Part D claims
- 301vs 24324% above
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Mark Dalen'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.
Need commercial claims for Mark Dalen?
Medicare shows one payer. Book a meeting to get commercial claims data for Mark Dalen and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mark Dalen treated 18 Medicare patients in 2026, average age 71
CMS counts 18 Medicare patients who saw Mark Dalen in 2026. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Dalen's median patient age at 65, with 55% women.
Chronic conditions among Mark Dalen's Medicare patients, 2026
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
Share of Medicare patients with each condition. A patient can have several.
Mark Dalen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women55%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Mark Dalen wrote 370 Medicare Part D claims in 2026
In 2026, Mark Dalen wrote 370 Medicare Part D claims for 118 patients. 98% of them were for generic drugs. CMS names the drug for 301 of them, across 8 drugs with 11 or more claims each, at $1,376 in total drug cost.
Mark Dalen's Part D claims by kind of drug, 2026
- Generic362 claims98%
- Brand-name and other8 claims2%
Mark Dalen'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 Mark Dalen's Part D claims, 2026
- Opioids16%59 of 370 claims
- Antibiotics27%101 of 370 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), 2026 data
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Mark Dalen received $609 in industry payments from 2024 to 2025
CMS Open Payments shows 22 general payments to Mark Dalen from 7 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 91% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $313.
General payments to Mark Dalen by program year, 2024 to 2025
General payments to Mark Dalen by kind, 2024 to 2025
- Food and beverage$55391%
- Education$569%
Companies that paid Mark Dalen the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mark Dalen'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 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) |
| Industry payments | Open Payments (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 Mark Dalen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Dalen's NPI number?
Mark Dalen's NPI number is 1437837598. It was assigned on July 10, 2023, and it is active in the NPI Registry.
What does Mark Dalen specialize in?
Mark Dalen is a physician assistant in San Bernardino, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mark Dalen practice?
Mark Dalen practices at 1800 Medical Center Dr, San Bernardino, CA 92411. Mark Dalen's primary practice is ENT And Sinus Center in San Bernardino, California. Dmand AI also links Mark Dalen to 1 medical group, and a free account names each one.
What is Mark Dalen's office phone number?
The practice phone on file for Mark Dalen is (909) 880-2000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Mark Dalen's email address?
Dmand AI checks professional and personal email addresses for Mark Dalen through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Mark Dalen's medical license number?
Mark Dalen holds California license 63245.
Which hospitals is Mark Dalen affiliated with?
Mark Dalen is affiliated with Pomona Valley Hospital Medical Center.
What medical group is Mark Dalen part of?
Mark Dalen is linked to Vituity. Dmand AI links Mark Dalen to 1 more medical group, named with a free account.
Who does Mark Dalen practice with?
Dmand AI links 3,130 HCPs to Mark Dalen's primary medical group, 888 of them physician assistants. A free account lists them, with verified contacts.
Does Mark Dalen accept Medicare?
Yes. CMS data shows Mark Dalen billed Medicare for 12 services in 2024.
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How many Medicare patients does Mark Dalen see?
CMS counts 18 Medicare patients who saw Mark Dalen in 2026, with an average age of 71.
What services does Mark Dalen bill to Medicare?
In 2024, Mark Dalen's most billed Medicare services were emergency department visit (99285).
What drugs does Mark Dalen prescribe most?
In 2024 Medicare Part D data, Mark Dalen's most prescribed drugs by claims were Methylprednisolone, Cefdinir and Diazepam.
Has Mark Dalen received payments from drug or device companies?
CMS Open Payments shows $609 in general payments to Mark Dalen from 7 companies from 2024 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Mark Dalen been practicing?
Mark Dalen's NPI was assigned in 2023.
What EHR does Mark Dalen's practice use?
Dmand AI tracks the EHR system at ENT And Sinus Center and at 1 more site and 1 medical group. The vendor and product are available with a free Dmand AI account.
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