NPPES file of Aug 9, 2026

Mark O. Herring, MD

Neurology Physician · Springfield, OR

Mark O. Herring, MD is a neurology physician with a practice address in Springfield, Oregon, and NPI 1689636284, issued on Apr 6, 2006. Check the license (Oregon MD14992, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689636284
Name
Mark O. Herring
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
MD14992 OR
Self-reported in NPPES; status is on the state search
Practice location
1 Hayden Bridge Way, Springfield, OR 97477
Phone
(541) 868-9430
Enumerated
Apr 6, 2006
Record last updated
Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(541) 868-9450
Medicaid ID
103051 OR
Medicare enrollment
Enrolled (PECOS I20070904000336); accepts Medicare assignment
Medical or professional school
Geisel School Of Medicine At Dartmouth, 1980
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1 Hayden Bridge Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Clark, DONeurology Physician1578760278
  2. Allison Davis, OTOccupational Therapist1952873101
  3. Alicia Duyvejonck, DNPNurse Practitioner1366858334
  4. Raymond Englander, MDNeurology Physician1316018898
  5. Brittany Farro, PA-CPhysician Assistant1134472533
  6. Rylee Fitzgerald, PTPhysical Therapist1821620006

Verify Mark O. Herring in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD14992
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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33% more Medicare Part D claims than the average neurology physician in 2024

1,816 Medicare Part D claims for 267 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 88 claims were for opioids.

  1. Mark Herring1,816
  2. Specialty average1,370

Most prescribed

  1. Gabapentin230 claims
  2. Clonazepam141 claims
  3. Memantine Hcl80 claims
  4. Tizanidine Hcl71 claims
  5. Topiramate68 claims
  6. Carbidopa-Levodopa66 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: $195.95

8 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Herring$195.95
  2. Specialty average$8,318.07

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Neurology Associates Eugene-Springfield PCSpringfield, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark O. Herring among 287 neurology physician records in Oregon

Mark O. Herring, MD is one of 287 neurology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 54% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1980 · median 2007 among the 176 with a school on file
  • Record last updated2021 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 neurology physician records list a practice address in Springfield

They are 21 of the 2,209 NPPES records with a practice address in Springfield, and 287 neurology physician records in Oregon.

The 8 neurology physician records with the nearest ZIP codes

  1. Michael Balm, MDSpringfield, OR 974771164593646
  2. Sara Batya, M.D.Springfield, OR 974771801084116
  3. Frank Bittner, DOSpringfield, OR 974771396030052
  4. David Clark, DOSpringfield, OR 974771578760278
  5. Raymond Englander, MDSpringfield, OR 974771316018898
  6. Joan Jensen, M.D.Springfield, OR 974771437125929
  7. James Kiley, M.D.Springfield, OR 974771861694861
  8. David Lippincott, D.O.Springfield, OR 974771659348084

Common questions

What is Mark O. Herring, MD's NPI number?

Mark O. Herring, MD's National Provider Identifier (NPI) is 1689636284, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark O. Herring, MD located?

The NPPES record lists a practice address at 1 Hayden Bridge Way, Springfield, OR, 97477. Phone: (541) 868-9430. Providers update this record themselves, so call before visiting.

How can I verify Mark O. Herring, MD's license?

NPPES lists Oregon license number MD14992, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark O. Herring, MD prescribe under Medicare Part D?

In 2024, Mark O. Herring, MD had 1,816 Medicare Part D claims for 267 beneficiaries; the average among neurology physician prescribers was 1,370. 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.