William L. Hall, MD
Emergency Medical Services (Emergency Medicine) Physician · Denver, CO
William L. Hall, MD is an emergency medical services (emergency medicine) physician with a practice address in Denver, Colorado, and NPI 1588613301, issued on May 9, 2006. Check the license (Colorado 40211, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- William L. Hall
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 40211 CO
Self-reported in NPPES; status is on the state search - Practice location
- Dept #0861, Denver, CO 80256
- Phone
- (866) 898-7136
- Enumerated
- May 9, 2006
- Record last updated
- Feb 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (616) 975-9824
- Medicaid IDs
- T0495 UT
79258549 CO - Medicare enrollment
- Enrolled (PECOS I20100504000803); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1999
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 68 in Colorado → Look up another NPI →
Also registered at Dept #0861
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Penny Crom, FNPFamily Nurse Practitioner1245283795
- Roy Cromer, MDEmergency Medical Services (Emergency Medicine) Physician1780649798
- Robert Dery, MDEmergency Medical Services (Emergency Medicine) Physician1376581694
- Tadd Ferguson, MDEmergency Medical Services (Emergency Medicine) Physician1083672430
- Paul Padyk, MDEmergency Medical Services (Emergency Medicine) Physician1114985561
- David Pettit, MDEmergency Medical Services (Emergency Medicine) Physician1023039724
Verify William L. Hall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 40211Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
33 Medicare Part D claims for 27 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Telluride Medical CenterTelluride, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William L. Hall among 68 emergency medical services (emergency medicine) physician records in Colorado
William L. Hall, MD is one of 68 emergency medical services (emergency medicine) physician records with a practice address in Colorado. 60% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 38% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated1999 · median 1999 among the 23 with a school on file
- Record last updated2016 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Colorado
There are 68 emergency medical services (emergency medicine) physician records in Colorado.
All 68 in Colorado → Every provider in Denver → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Roy Cromer, MDDenver, CO 802561780649798
- Robert Dery, MDDenver, CO 802561376581694
- Tadd Ferguson, MDDenver, CO 802561083672430
- Melissa Knight, M.D.Denver, CO 802561437415353
- Paul Padyk, MDDenver, CO 802561114985561
- David Pettit, MDDenver, CO 802561023039724
- Richard Weintraub, DODenver, CO 802561427016773
- Reegan Ochoa, EMTThornton, CO 802331235084781
Common questions
What is William L. Hall, MD's NPI number?
William L. Hall, MD's National Provider Identifier (NPI) is 1588613301, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William L. Hall, MD located?
The NPPES record lists a practice address at Dept #0861, Denver, CO, 80256. Phone: (866) 898-7136. Providers update this record themselves, so call before visiting.
How can I verify William L. Hall, MD's license?
NPPES lists Colorado license number 40211, 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 William L. Hall, MD prescribe under Medicare Part D?
In 2024, William L. Hall, MD had 33 Medicare Part D claims for 27 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.