John A. Van Doorninck, MD
Pediatric Hematology & Oncology Physician · Denver, CO
John A. Van Doorninck, MD is a pediatric hematology & oncology physician with a practice address in Denver, Colorado, and NPI 1194970350, issued on Dec 1, 2008. Check the license (Colorado 48641, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- John A. Van Doorninck
- Credential
- MD
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License numbers
- 48641 CO
A80230 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2055 N High St, Denver, CO 80205
- Phone
- (303) 832-2344
- Enumerated
- Dec 1, 2008
- Record last updated
- Jan 31, 2022
- Fax
- (303) 832-3721
- Medicaid IDs
- 1194970350 WY
06207219 NM
1194970350 SD
98500546 CO - Medicare enrollment
- Enrolled (PECOS I20190321002347); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 89 in Colorado → Look up another NPI →
Also registered at 2055 N High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mindy Banks, M.D.Pediatric Nephrology Physician1679765309
- Joshua Benjamin, M.D.Neonatal-Perinatal Medicine Physician1578706354
- Laurel Benson, MDOrthopaedic Surgery Physician1316034465
- Audra BraunPhysician Assistant1942449608
- Stacey Brophy, CNMAdvanced Practice Midwife1902042393
- Catherine Burson, MS, BCGCGenetic Counselor (M.S.)1053788406
Verify John A. Van Doorninck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 48641Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $147.54
2 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 1,215 providers of this specialty with any payment received $7,404.07 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.
John A. Van Doorninck among 89 pediatric hematology & oncology physician records in Colorado
John A. Van Doorninck, MD is one of 89 pediatric hematology & oncology physician records with a practice address in Colorado. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 47% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2004 · median 2011 among the 42 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Colorado
There are 89 pediatric hematology & oncology physician records in Colorado.
All 89 in Colorado → Every provider in Denver → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Florence Choo, M.D.Denver, CO 802051356720528
- Jennifer Clark, MDDenver, CO 802051336106053
- Roohie Poonia, MDDenver, CO 802051801357470
- Lara Riegler, MDDenver, CO 802051710121488
- Julie Zimbelman, MDDenver, CO 802051518055532
- Robert Garcea, MDDenver, CO 802181427133156
- Kristen Eisenman, M.D.Denver, CO 802301912920166
- Stephen Palmer, M.D.Littleton, CO 801221417959107
Common questions
What is John A. Van Doorninck, MD's NPI number?
John A. Van Doorninck, MD's National Provider Identifier (NPI) is 1194970350, issued on Dec 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John A. Van Doorninck, MD located?
The NPPES record lists a practice address at 2055 N High St, Denver, CO, 80205. Phone: (303) 832-2344. Providers update this record themselves, so call before visiting.
How can I verify John A. Van Doorninck, MD's license?
NPPES lists Colorado license number 48641, 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.
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.