NPPES file of Aug 9, 2026

Tanya Nicole Riddle, M.D.

Dermatology Physician · Englewood, CO

Tanya Nicole Riddle, M.D. is a dermatology physician with a practice address in Englewood, Colorado, and NPI 1497010250, issued on Jul 9, 2012. Check the license (Colorado DR.0059031, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497010250
Name
Tanya Nicole Riddle
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
DR.0059031 CO
Self-reported in NPPES; status is on the state search
Practice location
3701 S Clarkson St Ste 400, Englewood, CO 80113
Phone
(303) 761-7797
Enumerated
Jul 9, 2012
Record last updated
May 20, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(303) 789-2995
Medicare enrollment
Enrolled (PECOS I20200505000493); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 2011
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 3701 S Clarkson St Ste 400

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

  1. Richard Asarch, M.D.Dermatology Physician1538112305
  2. Roberto Belli, M.D.Dermatology Physician1770879264
  3. Jennifer Burke, NPCFamily Nurse Practitioner1356547392
  4. Kathleen Engeln, MDDermatology Physician1720441496
  5. Kathryn Harrison, P.A.Physician Assistant1316299126
  6. Amber Long, PA-CPhysician Assistant1902858095

Verify Tanya Nicole Riddle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0059031
    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 Colorado 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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22% fewer Medicare Part D claims than the average dermatology physician in 2024

618 Medicare Part D claims for 317 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Tanya Riddle618
  2. Specialty average797

Most prescribed

  1. Minoxidil78 claims
  2. Cephalexin75 claims
  3. Triamcinolone Acetonide71 claims
  4. Ketoconazole55 claims
  5. Clobetasol Propionate44 claims
  6. Doxycycline Hyclate42 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 96.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%96.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,002.27

58 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tanya Riddle$1,002.27
  2. Specialty average$8,544.61

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. Billings Dermatology PCBillings, MT

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

Tanya Nicole Riddle among 305 dermatology physician records in Colorado

Tanya Nicole Riddle, M.D. is one of 305 dermatology physician records with a practice address in Colorado. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 30% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2011 · median 2007 among the 238 with a school on file
  • Record last updated2019 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Colorado

There are 305 dermatology physician records in Colorado.

The 8 dermatology physician records with the nearest ZIP codes

  1. Richard Asarch, M.D.Englewood, CO 801131538112305
  2. Roberto Belli, M.D.Englewood, CO 801131770879264
  3. Annelise Dawson, M.D.Englewood, CO 801131558623496
  4. Kathleen Engeln, MDEnglewood, CO 801131720441496
  5. Kimberly Stone, MDEnglewood, CO 801131093819369
  6. Laura Thomason, M.D.Englewood, CO 801131578516365
  7. James Twede, MDEnglewood, CO 801131194818948
  8. Katherine Wehlage, MDEnglewood, CO 801131760988604

Common questions

What is Tanya Nicole Riddle, M.D.'s NPI number?

Tanya Nicole Riddle, M.D.'s National Provider Identifier (NPI) is 1497010250, issued on Jul 9, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Tanya Nicole Riddle, M.D. located?

The NPPES record lists a practice address at 3701 S Clarkson St Ste 400, Englewood, CO, 80113. Phone: (303) 761-7797. Providers update this record themselves, so call before visiting.

How can I verify Tanya Nicole Riddle, M.D.'s license?

NPPES lists Colorado license number DR.0059031, 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 Tanya Nicole Riddle, M.D. prescribe under Medicare Part D?

In 2024, Tanya Nicole Riddle, M.D. had 618 Medicare Part D claims for 317 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Tanya Nicole Riddle, M.D.'s MIPS final score?

The 2023 MIPS final score is 96.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.