Flatirons Ophthalmology

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

4909 Issued in CO

Legal business name

FLATIRONS OPHTHALMOLOGY

Doing business as

InSight Vision Group

Practice address

1440 28TH St Ste 2
Boulder, CO 80303-1030

Phone

(303) 402-1000

Fax

(303) 776-1110

NPI assigned

Mar 10, 2010

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Richard Stewart, MDNPI 1932113578

Title

President

Phone

(303) 921-3177

Specialties & licenses 1

Addresses

Other names 2

• InSight Vision Group Doing business as
• FLATIRONS OPHTHALMOLOGY Other name

Electronic endpoints 5

Medicare fee-for-service enrollment

Enrolled in CO

Enrollment records 1

Tax ID family

Flatirons Ophthalmology3 organizations share this tax ID, including this one

Other organizations with this tax ID 2

Organizations that report the same tax identification number in the National Provider Directory.

• Flatirons Ophthalmology

  dba Insight Vision Group

  • Ophthalmology Physician
  • Boulder, CO
  • NPI 1124801485
  NPD tax ID
• Flatirons Ophthalmology

  dba Insight Vision Group

  • Ophthalmology Physician
  • Thornton, CO
  • NPI 1942030317
  NPD tax ID

Locations

Interoperability endpoints

• Direct secure messaging: rstewart@ivgrmr.intellechartdirect.net
• Direct secure messaging: sgupta@ivgrmr.intellechartdirect.net
• Direct secure messaging: vmatei@ivgrmr.intellechartdirect.net
• Direct secure messaging: ddanek@ivgrmr.intellechartdirect.net

Practitioners 6

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Richard Stewart, MD

  • Ophthalmology Physician
  • Longmont, CO
  • NPI 1932113578
  Medicare reassignment Care Compare group NPD Authorized official
• Heather Leigh Gitchell, O.D.

  • Optometrist
  • Louisville, CO
  • NPI 1487680120
  Medicare reassignment Care Compare group NPD
• Ketty L Streifel, O.D.

  • Optometrist
  • Parker, CO
  • NPI 1730133380
  Medicare reassignment Care Compare group NPD
• Shipra Gupta, M.D.

  • Ophthalmology Physician
  • Bloomingdale, IL
  • NPI 1609168681

  CO

  Medicare reassignment Care Compare group NPD
• Dagmara Danek, D.O.

  • Ophthalmology Physician
  • Lakewood, CO
  • NPI 1235635251
  NPD
• Isha Gupta, MD

  • Ophthalmology Physician
  • Ogden, UT
  • NPI 1972980332
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1268179200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1789948800000",
    "number": "1942523543",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1332 VIVIAN ST",
            "city": "LONGMONT",
            "state": "CO",
            "postal_code": "805013217",
            "telephone_number": "303-402-1000",
            "fax_number": "303-776-1110"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1440 28TH ST STE 2",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803031030",
            "telephone_number": "303-402-1000",
            "fax_number": "303-776-1110"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 E 128th Ave",
            "address_purpose": "LOCATION",
            "city": "Thornton",
            "state": "CO",
            "postal_code": "802412427",
            "country_code": "US",
            "telephone_number": "303-402-1000",
            "fax_number": "303-776-1110",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1332 Vivian St",
            "address_purpose": "LOCATION",
            "city": "Longmont",
            "state": "CO",
            "postal_code": "805013217",
            "country_code": "US",
            "telephone_number": "303-402-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "FLATIRONS OPHTHALMOLOGY",
        "organizational_subpart": "NO",
        "enumeration_date": "2010-03-10",
        "last_updated": "2026-09-21",
        "certification_date": "2026-09-21",
        "status": "A",
        "authorized_official_last_name": "STEWART",
        "authorized_official_first_name": "RICHARD",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "303-921-3177",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Ophthalmology",
            "state": "CO",
            "license": "4909",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "klee@ivgrmr.intellechartdirect.net",
            "affiliation": "N",
            "address_1": "4430 Arapahoe Rd Ste 115",
            "city": "Boulder",
            "state": "CO",
            "country_code": "US",
            "postal_code": "80303",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hgitchell@ivgrmr.intellechartdirect.net",
            "affiliation": "N",
            "address_1": "4430 Arapahoe Rd Ste 115",
            "city": "Boulder",
            "state": "CO",
            "country_code": "US",
            "postal_code": "80303",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rstewart@ivgrmr.intellechartdirect.net",
            "affiliation": "N",
            "address_1": "4430 Arapahoe Rd Ste 115",
            "city": "Boulder",
            "state": "CO",
            "country_code": "US",
            "postal_code": "80303",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "vmatei@ivgrmr.intellechartdirect.net",
            "affiliation": "N",
            "address_1": "4430 Arapahoe Rd Ste 115",
            "city": "Boulder",
            "state": "CO",
            "country_code": "US",
            "postal_code": "80303",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "glalwani@ivgrmr.intellechartdirect.net",
            "affiliation": "N",
            "address_1": "4430 Arapahoe Rd Ste 115",
            "city": "Boulder",
            "state": "CO",
            "country_code": "US",
            "postal_code": "80303",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "InSight Vision Group",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "FLATIRONS OPHTHALMOLOGY",
            "code": "5",
            "type": "Other Name"
        },
        {
            "organization_name": "FLATIRONS OPHTHALMOLOGY",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

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• Ophthalmology Physician in Boulder, CO
• Providers in Boulder, CO by specialty
• Ophthalmology Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.