Doctor profile · Federal record

Dr. David Andorsky, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Boulder, CO

  • NPI 1609061837
  • Accepts Medicare
  • MIPS 81.5 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4715 Arapahoe Ave
Boulder, CO 803031385
(303) 385-2000
fax (303) 444-1839
Mailing address
7951 E Maplewood Ave Ste 300
Greenwood Village, CO 801114726

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
February 27, 2012
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Colorado #48556 · California #A90997
Medicaid
CO #99275261

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609061837. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
47,412
Distinct HCPCS
10
Medicare allowed
$1,125,580
HCPCS Description Services Patients Avg allowed
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 12,750 19 $1
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 7,560 11 $48
J9271 Injection, pembrolizumab, 1 mg 6,900 11 $54
J1453 Injection, fosaprepitant, 1 mg 6,150 18 $0
J1756 Injection, iron sucrose, 1 mg 5,800 14 $0
J1568 Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg 2,960 11 $42
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,226 39 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 554 220 $125
J2469 Injection, palonosetron hcl, 25 mcg 530 24 $1
J1626 Injection, granisetron hydrochloride, 100 mcg 511 18 $0

In context: peer comparison

Among 3 peers in Boulder Hematology & Oncology Physician, average services per provider: 1,184. This provider delivers 40× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,603
Transactions
8
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
F. Hoffmann-la Roche Ag 1 $2,280.00
Ipsen Bioscience INC. 1 $1,230.00
Abbvie INC. 2 $1,094.11
Novartis Pharmaceuticals Corporation 1 $787.50
AstraZeneca Pharmaceuticals Lp 1 $135.00
Karyopharm Therapeutics INC. 1 $50.53
Janssen Pharmaceuticals, INC 1 $25.72

By nature of payment

Consulting Fee
$5,385
Food and Beverage
$192
Education
$26

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
604
Patients
84
Total drug cost
$3,019,247
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 85 18 $81,273
Anastrozole Generic 66 19 $2,222
Gabapentin Generic 48 11 $943
Acyclovir Generic 46 13 $1,101
Prednisone Generic 41 12 $295
Brukinsa (Zanubrutinib) Brand 39 0 $598,534
Ibrance (Palbociclib) Brand 38 0 $624,561
Tamoxifen Citrate Generic 38 11 $1,023
Abiraterone Acetate Generic 35 0 $107,561
Calquence (Acalabrutinib Maleate) Brand 35 0 $552,938

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Andorsky's medical specialty?
Dr. David Andorsky practices Hematology & Oncology Physician in Boulder, CO.
Where does Dr. David Andorsky practice?
Dr. David Andorsky practices at 4715 Arapahoe Ave, Boulder, CO 803031385. Office phone: 3033852000.
What is Dr. David Andorsky's NPI?
Dr. David Andorsky's National Provider Identifier (NPI) is 1609061837, issued by NPPES.
Does Dr. David Andorsky accept Medicare assignment?
Yes. Dr. David Andorsky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Andorsky commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.