Doctor profile · Federal record

Dr. Cynthia Gryboski, MD

Interventional Cardiology Physician · Cardiovascular Disease Physician · Greeley, CO

  • NPI 1548223316
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1800 15Th St, Suite 310
Greeley, CO 80631
(970) 392-0900
fax (970) 506-3796

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 9, 2018
Specialty taxonomy
207RI0011X — NUCC code
State license (1)
Colorado #40070
Medicaid
CO #95735810

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548223316. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,515
Distinct HCPCS
10
Medicare allowed
$119,144
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 402 335 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 368 235 $129
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 162 160 $68
99215 Established patient office or other outpatient visit, 40-54 minutes 75 59 $180
99213 Established patient office or other outpatient visit, 20-29 minutes 68 62 $91
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 67 64 $15
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 61 61 $200
36415 Insertion of needle into vein for collection of blood sample 59 51 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 53 36 $79
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $168

In context: peer comparison

Among 2 peers in Greeley Interventional Cardiology Physician, average services per provider: 53. This provider delivers 29× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$39
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $21.44
Philips North America LLC 1 $17.70

By nature of payment

Food and Beverage
$39

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,236
Patients
1,042
Total drug cost
$343,579
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 418 141 $5,799
Metoprolol Succinate Generic 336 113 $6,190
Metoprolol Tartrate Generic 295 94 $2,681
Lisinopril Generic 292 97 $2,047
Furosemide Generic 259 97 $1,702
Losartan Potassium Generic 249 73 $3,430
Carvedilol Generic 243 78 $2,911
Amlodipine Besylate Generic 197 59 $1,130
Eliquis (Apixaban) Brand 197 47 $205,352
Rosuvastatin Calcium Generic 177 58 $2,374

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Gryboski's medical specialty?
Dr. Cynthia Gryboski practices Interventional Cardiology Physician in Greeley, CO.
Where does Dr. Cynthia Gryboski practice?
Dr. Cynthia Gryboski practices at 1800 15Th St, Greeley, CO 80631. Office phone: 9703920900.
What is Dr. Cynthia Gryboski's NPI?
Dr. Cynthia Gryboski's National Provider Identifier (NPI) is 1548223316, issued by NPPES.
What procedures does Dr. Cynthia Gryboski commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.