Gerald Falchook, MD
Internal Medicine Physician · Denver, CO
Gerald Falchook, MD is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1366541294, issued on Sep 21, 2006. Check the license (Colorado 42949, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gerald Falchook
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 42949 CO
L9191 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Williams St, Denver, CO 80218
- Phone
- (720) 754-2610
- Enumerated
- Sep 21, 2006
- Entity
- Type 1 · individual
Also registered at 1800 Williams St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay Bramwell, RN, MSN, CNSAdult Health Clinical Nurse Specialist1700043577
- Allen Cohn, MDHematology & Oncology Physician1316921976
- Julie Elliott, PAPhysician Assistant1689686131
- Kathryn Howell, MDRadiation Oncology Physician1811971542
- Kelly MackNurse Practitioner1982742888
- Michael Maris, MDHematology & Oncology Physician1053395624
Verify Gerald Falchook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 42949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
108 Medicare Part D claims for 37 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
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: $600.23
21 payments, mostly food and beverage; the largest payer was BeiGene USA, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Healthone Clinic Services - Oncology Hematology LLCDenver, CO
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
632 internal medicine physician records list a Denver practice address
They are 632 of the 25,068 NPPES records with a Denver practice address, and 2,683 internal medicine physician records in Colorado.
All 632 in Denver → All 2,683 in Colorado → Every provider in Denver →
Other internal medicine physician records in Colorado
- Emily Aaron, MDDenver, CO1205256971
- Cynthia Abacan, MDPueblo, CO1467438549
- David Abbey, MS MDFort Collins, CO1568483196
- Ahmed Abdulrahman, MDPueblo, CO1093425068
- Victor Abela, D.O.Denver, CO1902194152
- Durant Abernethy, M.D.Frisco, CO1427289040
- Lon Abney, MDDurango, CO1962883272
- Alan Aboaf, MDCentennial, CO1003866393
- Adam Abraham, MDAurora, CO1720178304
- Phebe Abraham, MDGreeley, CO1558980540
Common questions
What is Gerald Falchook, MD's NPI number?
Gerald Falchook, MD's National Provider Identifier (NPI) is 1366541294, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gerald Falchook, MD located?
The NPPES record lists a practice address at 1800 Williams St, Denver, CO, 80218. Phone: (720) 754-2610. Providers update this record themselves, so call before visiting.
How can I verify Gerald Falchook, MD's license?
NPPES lists Colorado license number 42949, 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 Gerald Falchook, MD prescribe under Medicare Part D?
In 2024, Gerald Falchook, MD had 108 Medicare Part D claims for 37 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.