Richard Seawell Clemmons, MD
Neurology Physician · Denver, CO
Richard Seawell Clemmons, MD is a neurology physician with a practice address in Denver, Colorado, and NPI 1164640942, issued on Apr 24, 2007. Check the license (Colorado 50255, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Richard Seawell Clemmons
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 50255 CO
49694 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1375 E 20TH Ave, Denver, CO 80205
- Phone
- (303) 338-4545
- Enumerated
- Apr 24, 2007
- Record last updated
- Apr 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 021650000 MN
9000124605 CO - Medicare enrollment
- Enrolled (PECOS I20111102000208); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 396 in Colorado → Look up another NPI →
Also registered at 1375 E 20TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Allen-Thomas, REGISTERED NURSERegistered Nurse1841327814
- Mana Amir, MDPulmonary Disease Physician1598731994
- Barbara Anderson, NPNurse Practitioner1962617076
- Sheri AndrusRegistered Nurse1750418638
- Sharisse Arnold Rehring, M.D.Pediatrics Physician1083741045
- Tyler Ashford, RNRegistered Nurse1568903383
Verify Richard Seawell Clemmons in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 50255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average neurology physician in 2024
2,156 Medicare Part D claims for 314 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Levetiracetam360 claims
- Lacosamide323 claims
- Lamotrigine212 claims
- Clobazam128 claims
- Lamotrigine Er85 claims
- Zonisamide72 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: $18.44
1 payment: food and beverage; the largest payer was ViiV Healthcare Company. 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.
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
- Colorado Permanente Medical Group PCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Seawell Clemmons among 396 neurology physician records in Colorado
Richard Seawell Clemmons, MD is one of 396 neurology physician records with a practice address in Colorado. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 53% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2006 · median 2010 among the 275 with a school on file
- Record last updated2021 · 49% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Colorado
There are 396 neurology physician records in Colorado.
All 396 in Colorado → Every provider in Denver → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Peter Bergmann, MDDenver, CO 802051902078165
- Mary Chatman, RNDenver, CO 802051720115785
- Deborah Fisher, M.D.Denver, CO 802051033246616
- Arash Hadipour Niktarash, MDDenver, CO 802051265669253
- Karen Hall, M.D.Denver, CO 802051043353139
- Lynsee Hudson Lang, MDDenver, CO 802051699821371
- Celia Menaker-Wiener, MDDenver, CO 802051265576052
- Shankar Perumal, MDDenver, CO 802051053574681
Common questions
What is Richard Seawell Clemmons, MD's NPI number?
Richard Seawell Clemmons, MD's National Provider Identifier (NPI) is 1164640942, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Richard Seawell Clemmons, MD located?
The NPPES record lists a practice address at 1375 E 20TH Ave, Denver, CO, 80205. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Richard Seawell Clemmons, MD's license?
NPPES lists Colorado license number 50255, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard Seawell Clemmons, MD prescribe under Medicare Part D?
In 2024, Richard Seawell Clemmons, MD had 2,156 Medicare Part D claims for 314 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.