Chirag Ambaram Chauhan, MD
Cardiovascular Disease (Cardiology) · Internal Medicine · Interventional Cardiology (CMS) · Boulder, CO
At a glance
4743 Arapahoe Ave Ste 201, Boulder, CO 80303-1128
Published activity: Coronary angioplasty and stenting · Leg revascularization (restoring blood flow) · Pacemaker insertion or repair. View counts and coverage
NPPES record updated Sep 26, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
4743 Arapahoe Ave Ste 201Boulder, CO 80303-1128
Additional reported practice locations
499 E Hampden Ave Ste 200Englewood, CO 801132792
Phone: 3037052002
Fax: 3039544506 101 Erie Pkwy Ste 201A
Erie, CO 805164072
Phone: 3034422395 1000 W South Boulder Rd Ste 2016
Lafayette, CO 800262752
Phone: 3034422395 2101 Ken Pratt Blvd Ste 104
Longmont, CO 805016568
Phone: 3034422395
Education & affiliations
- Medical / professional school
- University Of Pittsburgh School Of Medicine
- Graduation year
- 2008
- CMS specialties
- Cardiovascular Disease (Cardiology) · Internal Medicine · Interventional Cardiology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Boulder Community Health Boulder, CO
- Good Samaritan Medical Center Llc Lafayette, CO
- University Of Colorado Hospital Authority Aurora, CO
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Coronary angioplasty and stenting | 16 |
| Leg revascularization (restoring blood flow) | 1-10 |
| Pacemaker insertion or repair | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
- 52%2024Published MIPS performance rate. Lower rates indicate better performance for this inverse measure. Measure: MIPS_EC_001_overall. Collection type: EHR. Measure denominator: 46.
- Documentation of Current Medications in the Medical Record
- 98%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_130_overall. Collection type: EHR. Measure denominator: 716.
- Controlling High Blood Pressure
- 79%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_236_overall. Collection type: EHR. Measure denominator: 261.
See all 6 reported measures
- Use of High-Risk Medications in Older Adults
- 0%2024Published MIPS performance rate. Lower rates indicate better performance for this inverse measure. Measure: MIPS_EC_238_overall. Collection type: EHR. Measure denominator: 361.
- Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
- 47%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_317_overall. Collection type: EHR. Measure denominator: 392.
- Falls: Screening for Future Fall Risk
- 71%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_318_overall. Collection type: EHR. Measure denominator: 350.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $1,814.76 |
| Travel and lodging | $923.39 |
Reporting companies
| Company | Amount |
|---|---|
| EDWARDS LIFESCIENCES CORPORATION | $1,319.54 |
| MEDTRONIC, INC. | $701.78 |
| ABIOMED | $404.31 |
| BOSTON SCIENTIFIC CORPORATION | $88.50 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $84.20 |
| ABBOTT LABORATORIES | $33.89 |
| AMGEN INC. | $25.99 |
| CVRX, INC. | $22.77 |
| Other reporting companies | $57.17 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Cardiovascular Disease (Cardiology) · Internal Medicine · Interventional Cardiology (CMS)
- Taxonomy code
- 207RI0011X
- Enumeration date
- Jul 10, 2008
- Record updated
- Sep 26, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207RC0000X
License reported: DR.0061243 CO
207RI0011X · Primary
License reported: DR.0061243 CO
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4743 Arapahoe Ave Ste 201Boulder, CO 80303-1128
- Phone
- (303) 442-2395
Mailing address
499 E HAMPDEN AVE STE 200ENGLEWOOD, CO 801132792
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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