Troy W. Zabel, M.D.
Nephrology Physician · Denver, CO
Troy W. Zabel, M.D. is a nephrology physician with a practice address in Denver, Colorado, and NPI 1962435479, issued on Jul 8, 2006. Check the license (Colorado 40811, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Troy W. Zabel
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 40811 CO
Self-reported in NPPES; status is on the state search - Practice location
- 919 Jasmine St, Denver, CO 80220
- Phone
- (303) 991-0993
- Enumerated
- Jul 8, 2006
- Record last updated
- May 14, 2026
- Fax
- (303) 531-6583
- Medicare enrollment
- Enrolled (PECOS I20060809000532); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 182 in Colorado → Look up another NPI →
Also registered at 919 Jasmine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kendra Balsiger, P.A.-CPhysician Assistant1538617949
- Shannan Bryant, NPGerontology Nurse Practitioner1225635477
- Alan Cooper, MDNephrology Physician1922080209
- Jianing Gao, FNPNurse Practitioner1174300826
- Elizabeth Garcia, NPAdult Health Nurse Practitioner1538749601
- Tsegamlak Girma, FNP-CFamily Nurse Practitioner1669356994
Verify Troy W. Zabel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 40811Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average nephrology physician in 2024
741 Medicare Part D claims for 147 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Amlodipine Besylate78 claims
- Losartan Potassium67 claims
- Calcitriol62 claims
- Jardiance49 claims
- Prednisone43 claims
- Lisinopril42 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: $132.07
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Denver Nephrologists PCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Troy W. Zabel among 182 nephrology physician records in Colorado
Troy W. Zabel, M.D. is one of 182 nephrology physician records with a practice address in Colorado. 81% 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 28% of them.
- NPI issued2006 · 28% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1999 · median 2002 among the 133 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Colorado
There are 182 nephrology physician records in Colorado.
All 182 in Colorado → Every provider in Denver → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Srividya Bhandaram, M.D.Denver, CO 802201508038787
- Sebastian Contiguglia, MDDenver, CO 802201013965144
- Alan Cooper, MDDenver, CO 802201922080209
- Galo Garces, MDDenver, CO 802201619956075
- Clancy Howard, MDDenver, CO 802201336121623
- Laura Kooienga, MDDenver, CO 802201457469058
- Shyam Parkhie, MDDenver, CO 802201003807983
- Kajal Rao, MDDenver, CO 802201508086802
Common questions
What is Troy W. Zabel, M.D.'s NPI number?
Troy W. Zabel, M.D.'s National Provider Identifier (NPI) is 1962435479, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Troy W. Zabel, M.D. located?
The NPPES record lists a practice address at 919 Jasmine St, Denver, CO, 80220. Phone: (303) 991-0993. Providers update this record themselves, so call before visiting.
How can I verify Troy W. Zabel, M.D.'s license?
NPPES lists Colorado license number 40811, 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 Troy W. Zabel, M.D. prescribe under Medicare Part D?
In 2024, Troy W. Zabel, M.D. had 741 Medicare Part D claims for 147 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.