Dr. Zephron Gabriel Newmark, MD
- Medicare services, 2024
- 187
- Medicare patients, 2024
- 148
- Part D claims, 2024
- 69
- Hospital affiliations
- 1
- Industry payments
- $712
- Practice address
- 723 Memorial Street, Prosser, WA 99350
- Practice phone
- Call (509) 786-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Newmark'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. Zephron Gabriel Newmark is an otolaryngologist in Prosser, Washington
Dr. Newmark practices at Prosser Memorial Health Hospital in Prosser, Washington, part of Prosser Memorial Health.
Dr. Newmark's NPI, 1811950744, was assigned on April 11, 2006. Dr. Newmark graduated from University of Florida College of Medicine in 1971. Dr. Newmark holds Washington license MD00018265.
- NPI
- 1811950744NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305835133
- NPI enumeration date
- April 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (509) 786-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zephron Gabriel Newmark practices at Prosser Memorial Health Hospital in Prosser, Washington
Dr. Newmark's primary practice is Prosser Memorial Health Hospital, at 723 Memorial Street, Prosser, WA 99350 in Benton County. The practice phone is (509) 786-2222.
- Prosser Memorial Health Hospital723 Memorial Street, Prosser, WA 99350 · Benton CountyPhone(509) 786-2222
Source: Dmand AI Affiliation Data
Dr. Zephron Gabriel Newmark is affiliated with 2 sites of care and 6 medical groups
Dr. Newmark's primary practice is Prosser Memorial Health Hospital in Prosser, Washington, part of Prosser Memorial Health. The medical group on file is Prosser Memorial Health. Dmand AI also links Dr. Newmark to 5 more medical groups and 1 group practice or clinic, each named with a free account. Dr. Newmark's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Zephron Gabriel Newmark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Newmark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prosser Memorial Health Hospital | Available with a free account |
| +1 more site and 5 medical groups | 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 Prosser Memorial Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Zephron Gabriel Newmark is one of 254 otolaryngologists in Washington
Otolaryngology is Dr. Newmark's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dmand AI has Dr. Newmark's licenses on file in 2 states: Washington and Pennsylvania.
Specialties and state licenses
- Otolaryngology, WashingtonPrimary
- Pennsylvania license
Otolaryngologists near Dr. Newmark
Counts of otolaryngologists 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. Zephron Gabriel Newmark billed Medicare for 187 services in 2024
CMS data shows 187 Medicare services from Dr. Newmark across 5 procedure codes in 2024, for 148 Medicare patients. Medicare paid $12,449 for them. Every service was in an office.
Dr. Newmark's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 382024: 115203%
- Surgery
- 2021: 132024: 72454%
Dr. Newmark compared with the Washington median for otolaryngologists, 2024
- Dr. Newmark
- Washington median
- Medicare services
- 187vs 40354% below
- Medicare patients
- 148vs 22534% below
- Part D claims
- 23vs 16086% below
Medians across 241 otolaryngologists in Washington with Dmand AI profiles that report each measure.
Dr. Newmark'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. Newmark and other otolaryngologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Zephron Gabriel Newmark treated 148 Medicare patients in 2024, average age 76
CMS counts 148 Medicare patients who saw Dr. Newmark in 2024. The largest group is 75 to 84, with 60 patients. 72% of them have high cholesterol, and 70% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Newmark's median patient age at 67, with 57% women.
Dr. Newmark's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Newmark's Medicare patients by sex, 2024
- Women8658%
- Men6242%
Chronic conditions among Dr. Newmark's Medicare patients, 2024
- High cholesterol72%
- High blood pressure70%
- Arthritis45%
- Diabetes30%
- Chronic kidney disease26%
- Ischemic heart disease25%
- Atrial fibrillation22%
- Osteoporosis22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Newmark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zephron Gabriel Newmark wrote 69 Medicare Part D claims in 2024
In 2024, Dr. Newmark wrote 69 Medicare Part D claims for 46 patients. 100% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $419 in total drug cost. In 2021, CMS named 15 claims across 1 drug.
Dr. Newmark'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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 152024: 2353%
Drugs named by CMS: 2 in 2024, 1 in 2021.
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
How Dr. Zephron Gabriel Newmark takes part in Medicare
Dr. Newmark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Zephron Gabriel Newmark received $712 in industry payments from 2016 to 2022
CMS Open Payments shows 13 general payments to Dr. Newmark from 7 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $316.
General payments to Dr. Newmark by program year, 2016 to 2022
Companies that paid Dr. Newmark the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Zephron Gabriel Newmark graduated from University of Florida College of Medicine
Dr. Newmark graduated from University of Florida College of Medicine in 1971.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Zephron Gabriel Newmark'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 | Doctors and Clinicians National Downloadable File (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 |
| 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. Zephron Gabriel Newmark
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. Zephron Gabriel Newmark's NPI number?
Dr. Zephron Gabriel Newmark's NPI number is 1811950744. It was assigned on April 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Zephron Gabriel Newmark?
Dr. Zephron Gabriel Newmark is an otolaryngologist in Prosser, Washington. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Zephron Gabriel Newmark practice?
Dr. Newmark practices at 723 Memorial Street, Prosser, WA 99350. Dr. Newmark's primary practice is Prosser Memorial Health Hospital in Prosser, Washington, part of Prosser Memorial Health. Dmand AI also links Dr. Newmark to 5 medical groups and 1 group practice or clinic.
What is Dr. Zephron Gabriel Newmark's office phone number?
The practice phone on file for Dr. Newmark is (509) 786-2222.
What is Dr. Zephron Gabriel Newmark's medical license number?
Dr. Newmark holds Washington license MD00018265, one of the licenses on file in 2 states.
Which states has Dr. Zephron Gabriel Newmark been licensed in?
Dmand AI has state licenses on file for Dr. Newmark in Washington and Pennsylvania.
Which hospitals is Dr. Zephron Gabriel Newmark affiliated with?
Dr. Newmark practices at Prosser Memorial Health Hospital in Prosser, Washington.
What medical group is Dr. Zephron Gabriel Newmark part of?
Dr. Newmark is linked to Prosser Memorial Health. Dmand AI links Dr. Newmark to 5 more medical groups.
Does Dr. Zephron Gabriel Newmark accept Medicare?
Yes. CMS data shows Dr. Newmark billed Medicare for 187 services in 2024, and Dr. Newmark accepts Medicare assignment.
How many Medicare patients does Dr. Zephron Gabriel Newmark see?
CMS counts 148 Medicare patients who saw Dr. Newmark in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Zephron Gabriel Newmark bill to Medicare?
In 2024, Dr. Newmark's most billed Medicare services were office visit, new patient (99203), surgery: ear (69210) and office visit, established patient (99213).
Where did Dr. Zephron Gabriel Newmark go to medical school?
Dr. Newmark graduated from University of Florida College of Medicine in 1971.
What drugs does Dr. Zephron Gabriel Newmark prescribe most?
In 2024 Medicare Part D data, Dr. Newmark's most prescribed drugs by claims were Ofloxacin and Clotrimazole-Betamethasone.
Has Dr. Zephron Gabriel Newmark received payments from drug or device companies?
CMS Open Payments shows $712 in general payments to Dr. Newmark from 7 companies from 2016 to 2022. The largest total came from Medtronic USA, Inc.
How long has Dr. Zephron Gabriel Newmark been practicing?
Dr. Newmark graduated from medical school in 1971, 55 years ago.
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