Mark Brady Herzog, D.M.D.
General Practice Dentistry · Issaquah, WA
Mark Brady Herzog, D.M.D. is a general practice dentistry with a practice address in Issaquah, Washington, and NPI 1740662246, issued on Jun 22, 2015. Check the license (Washington DE60566577, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Brady Herzog
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- DE60566577 WA
Self-reported in NPPES; status is on the state search - Practice location
- 6520 226TH PL SE, Issaquah, WA 98027
- Phone
- (425) 392-1010
- Enumerated
- Jun 22, 2015
- Record last updated
- Jun 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,196 in Washington → Look up another NPI →
Also registered at 6520 226TH PL SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Cassis, MDSpecialist1154422137
- Tammy Deroche, DPTPhysical Therapist1215905278
- Andrew Didricksen, DPTPhysical Therapist1093292336
- Elisabeth Evans, MDObstetrics & Gynecology Physician1811965262
- Jacqueline Evans, CRNA, ARNPCertified Registered Nurse Anesthetist1831139641
- Leslie Garland, M.D.Family Medicine Physician1497788004
Verify Mark Brady Herzog in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE60566577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average general practice dentistry in 2024
29 Medicare Part D claims for 18 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $106.97
2 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Brady Herzog among 3,196 general practice dentistry records in Washington
Mark Brady Herzog, D.M.D. is one of 3,196 general practice dentistry records with a practice address in Washington. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 78% of them.
- NPI issued2015 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2015 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 general practice dentistry records list a practice address in Issaquah
They are 32 of the 1,727 NPPES records with a practice address in Issaquah, and 3,196 general practice dentistry records in Washington.
All 3,196 in Washington → Every provider in Issaquah → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Kiki Chow, D.M.D.Issaquah, WA 980271861655177
- Barry Feder, DDS, PSIssaquah, WA 980271962407734
- Kelley FisherIssaquah, WA 980271023105442
- Neda Goharkhay, DDSIssaquah, WA 980271770504920
- Justin Hansen, DDSIssaquah, WA 980271669785432
- Brad Hawkins, D.D.S.Issaquah, WA 980271275553364
- Robert Jorgensen, DDSIssaquah, WA 980271275654469
- Michael Kitsis, DMDIssaquah, WA 980271669519153
Common questions
What is Mark Brady Herzog, D.M.D.'s NPI number?
Mark Brady Herzog, D.M.D.'s National Provider Identifier (NPI) is 1740662246, issued on Jun 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mark Brady Herzog, D.M.D. located?
The NPPES record lists a practice address at 6520 226TH PL SE, Issaquah, WA, 98027. Phone: (425) 392-1010. Providers update this record themselves, so call before visiting.
How can I verify Mark Brady Herzog, D.M.D.'s license?
NPPES lists Washington license number DE60566577, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Brady Herzog, D.M.D. prescribe under Medicare Part D?
In 2024, Mark Brady Herzog, D.M.D. had 29 Medicare Part D claims for 18 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.