NPPES file of Aug 9, 2026

Charlotte Withers, PA-C

Physician Assistant · Denver, CO

Charlotte Withers, PA-C is a physician assistant with a practice address in Denver, Colorado, and NPI 1619394376, issued on Mar 19, 2014. Check the license (Colorado 0004575, as entered in NPPES) with the Colorado board that licenses this profession; 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
1619394376
Name
Charlotte Withers
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
0004575 CO
51453 CA
Self-reported in NPPES; status is on the state search
Practice location
777 Bannock St, Denver, CO 80204
Phone
(303) 436-6000
Enumerated
Mar 19, 2014
Record last updated
Apr 26, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160517000199); accepts Medicare assignment
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 777 Bannock St

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

  1. Eric Aaltonen, M.D.Vascular & Interventional Radiology Physician1538340344
  2. Sarah Abbott, LCSWClinical Social Worker1326519042
  3. Ejaaz Abdulkabir, CNMAdvanced Practice Midwife1710551783
  4. Miren Aboitiz, NP-CWomen's Health Nurse Practitioner1568862282
  5. Edgar Acosta, MSWClinical Social Worker1467900381
  6. Shanie Adaime, RDHDental Hygienist1083318554

Verify Charlotte Withers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 0004575
    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
Find 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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65% fewer Medicare Part D claims than the average physician assistant in 2024

288 Medicare Part D claims for 194 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Charlotte Withers288
  2. Specialty average830

Most prescribed

  1. Prednisone82 claims
  2. Cephalexin28 claims
  3. Doxycycline Monohydrate27 claims
  4. Albuterol Sulfate Hfa23 claims
  5. Amoxicillin-Clavulanate Potass17 claims
  6. Ofloxacin17 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: $17.58

1 payment: food and beverage; the largest payer was Pfizer Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charlotte Withers$17.58
  2. Specialty average$841.65

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

Bills Medicare through 2 group practices

  1. Primary Care Solutions PCDenver, CO
  2. Urgent Care Solutions Glendale PCAurora, CO

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

Charlotte Withers among 3,767 physician assistant records in Colorado

Charlotte Withers, PA-C is one of 3,767 physician assistant records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 44% of them.

  • NPI issued2014 · 44% of these records are older, 53% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2013 · median 2017 among the 2,351 with a school on file
  • Record last updated2016 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

540 physician assistant records list a practice address in Denver

They are 540 of the 25,068 NPPES records with a practice address in Denver, and 3,767 physician assistant records in Colorado.

The 8 physician assistant records with the nearest ZIP codes

  1. Magdalena Aguayo, PADenver, CO 802041548295017
  2. Constance Boyle, PADenver, CO 802041427077155
  3. Barbara Burrowes, PA CDenver, CO 802041891745485
  4. Kathryn Davis, PADenver, CO 802041730109604
  5. Neil Dobson, PADenver, CO 802041154341022
  6. Tara Edick, PADenver, CO 802041972523850
  7. Mary Ellen Flynn, PADenver, CO 802041043231764
  8. Thia Gonzales, PADenver, CO 802041003833864

Common questions

What is Charlotte Withers, PA-C's NPI number?

Charlotte Withers, PA-C's National Provider Identifier (NPI) is 1619394376, issued on Mar 19, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Charlotte Withers, PA-C located?

The NPPES record lists a practice address at 777 Bannock St, Denver, CO, 80204. Phone: (303) 436-6000. Providers update this record themselves, so call before visiting.

How can I verify Charlotte Withers, PA-C's license?

NPPES lists Colorado license number 0004575, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Charlotte Withers, PA-C prescribe under Medicare Part D?

In 2024, Charlotte Withers, PA-C had 288 Medicare Part D claims for 194 beneficiaries; the average among physician assistant prescribers was 830. 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.