Physician Profile
Cynthia L. Gryboski, MD
Unclaimed ProfileAbout Dr. Gryboski
Cynthia L. Gryboski, MD practices interventional cardiology in Greeley, CO. Cynthia is also listed as specializing in cardiovascular disease. According to Medicare claims data, Cynthia cared for 353 Medicare patients across 395 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function. The provider's National Provider Identifier (NPI) is 1548223316.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (970) 392-0900
- Email not available
Practice Locations
1800 15TH ST SUITE 310
Greeley, CO 80631
Conditions Commonly Evaluated or Treated
Within Interventional Cardiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- AFib
- Arrhythmias
- Coronary artery disease
- Heart attack
Artery blockages
- Aortic aneurysm
- Carotid Artery Blockage
- Completely Blocked Heart Artery
- Microvascular angina
- Re-Blocked Heart Stent
- Severely Calcified Heart Arteries
- Torn Heart Artery
Blood clots
Blood pressure
- Pulmonary hypertension
- Resistant hypertension
Chest symptoms
- Unexplained chest pain
Circulation & veins
- Chronic venous insufficiency
- Non-Healing Foot Sores From Poor Blood Flow
- Peripheral artery disease
Coronary disease
- Acute coronary syndrome
- Stable angina
Heart failure
- Congestive heart failure
- Shock
Heart muscle
- Dilated cardiomyopathy
- Hypertrophic cardiomyopathy
Heart muscle conditions
- Myocarditis
- Sudden Heart Muscle Weakness
Heart rhythm
- Heart palpitations
- Slow heart rate (bradycardia)
- Supraventricular tachycardia
Heart rhythm & blood flow
- Fainting and syncope
Heart valves
- Aortic stenosis
- Heart Murmur
- Mitral regurgitation
- Tricuspid regurgitation
Structural & congenital
- Coarctation of the Aorta
- Hole Between Bottom Heart Chambers
Structural heart
- Patent foramen ovale
- Pericardial effusion
Valve disease
- Failing Artificial Heart Valve
- Mitral stenosis
- Narrowed Pulmonary Valve
Vascular disease
- Leg Cramps When Walking
- Narrow kidney artery
- Stomach Pain After Eating From Arteries
- Subclavian Steal Syndrome
Vein conditions
- May-Thurner Syndrome
- Pelvic Congestion Syndrome
- Varicose veins
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Artery procedures
- Atherectomy
- Carotid Artery Stent
- Drug-Coated Balloon Treatment
- Minimally Invasive Aneurysm Repair
- Opening Chronic 100% Blocked Heart Arteries
- Shockwave Plaque Busting In Heart Arteries
Blood pressure procedures
- High Blood Pressure Nerve Treatment
Circulation & limbs
- Laser Vein Treatment For Leg Swelling
- Leg Artery Stent
Circulatory support
- Intra-aortic balloon pump placement
Clot procedures
- Catheter Blood Clot Removal From Legs
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Coronary stenting
- Bypass Graft Stenting
Diagnostic catheterization
- Right heart catheterization
Diagnostic tests
- Coronary Artery Spasm Test
- Coronary Microvascular Resistance Test
- Heart Muscle Biopsy
Diagnostics & monitoring
- Fractional flow reserve measurement
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Intravascular ultrasound
Emergency heart procedures
- Clot Suction From Heart Arteries
Heart devices
- Electrical cardioversion
- Implantable cardioverter-defibrillator placement
Heart muscle
- Alcohol Ablation For Thickened Heart Muscle
Heart support
- Percutaneous ventricular-assist device placement
Imaging & diagnostics
Stenting
- Arm Artery Stent
- Mesenteric Artery Stenting
- Renal artery stenting
Structural heart repair
- Aortic Coarctation Stent
- Ventricular Septal Defect Repair
Structural repair
- Heart Fluid Drainage (Pericardiocentesis)
- Patent foramen ovale closure
Valve procedures
- Balloon Heart Valve Opening
- Leaky Artificial Heart Valve Repair
- Transcatheter aortic valve replacement
- Transcatheter mitral valve repair
- Transcatheter Pulmonary Valve Replacement
- TriClip Valve Repair
Valve replacement
- Transcatheter Tricuspid Valve Replacement
- Valve-In-Valve Heart Replacement
Vein procedures
- Iliac Vein Stenting
- Microfoam Vein Injection
- Radiofrequency Vein Closure
- Varicose Vein Medical Glue
Procedures Most Often Billed to Medicare
395 services · 353 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
18 | Less often than most peers in Interventional Cardiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
51 | Less often than most peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
38 | Less often than most peers in Interventional Cardiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
19 | Less often than most peers in Interventional Cardiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
14 | Less often than most peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
11 | Less often than most peers in Interventional Cardiology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
187 | As often as other peers in Interventional Cardiology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
30 | Less often than most peers in Interventional Cardiology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
14 | Less often than most peers in Interventional Cardiology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
13 | Less often than most peers in Interventional Cardiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 3 related providers in 1 group
Also performs Insertion of needle into vein for collection of blood sample 3
Providers in CO who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Gryboski?
Dr. Gryboski is an interventional cardiologist in Greeley, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
What is Dr. Gryboski's address?
Dr. Gryboski is listed at 1800 15Th St Suite 310, Greeley, CO 80631. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Gryboski?
The number on file is (970) 392-0900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Gryboski's NPI number?
Dr. Gryboski's National Provider Identifier is 1548223316. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. Gryboski been practicing?
Dr. Gryboski has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Dr. Gryboski perform?
According to Medicare billing data, Dr. Gryboski performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gryboski confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gryboski. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.