Kirk Mitchell, MD
NPI 1811149685 · Geriatric Medicine (Internal Medicine) Physician · Longmont, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kirk Mitchell, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Longmont, CO (NPI 1811149685).
Provider details
- NPI number
- 1811149685
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- DR.0049886 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
5 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atovaquone/Proguanil Hclbrand: Atovaquone-Proguanil Hcl | 189 | 180 |
| Azithromycin | 169 | 166 |
| Apixabanbrand: Eliquis | 87 | — |
| Sertraline Hcl | 72 | — |
| Furosemide | 48 | — |
| Potassium Chloride | 41 | — |
| Doxycycline Hyclate | 40 | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (4)
- 1421 S Potomac St Ste 330Aurora, CO 80012-4512Phone: (720) 678-9868Fax: (720) 678-9860
- 1230 Tenderfoot Hill Rd Ste 255Colorado Springs, CO 80906-7393Phone: (720) 678-9868Fax: (720) 678-9860
- 400 Indiana St Ste 280Golden, CO 80401-5069Phone: (720) 678-9868Fax: (720) 678-9860
- 9195 Grant St Ste 305Thornton, CO 80229-4386Phone: (720) 678-9868Fax: (720) 678-9860
Registry dates
- Enumerated
- 2008-10-10
- Last updated
- 2021-12-02
- Certified
- 2021-12-02
Frequently asked questions
- What is Kirk Mitchell's NPI number?
- Kirk Mitchell's National Provider Identifier (NPI) is 1811149685, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kirk Mitchell's specialty?
- Kirk Mitchell is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Kirk Mitchell located?
- Kirk Mitchell's practice location on file with NPPES is 5390 Saint Vrain Rd, Longmont, CO 80503-8764.
- What is Kirk Mitchell's phone number?
- The practice phone number listed in the NPPES registry for Kirk Mitchell is (303) 859-9722.
- Does Kirk Mitchell accept Medicare?
- Kirk Mitchell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kirk Mitchell's NPI active?
- Yes — Kirk Mitchell's NPI (1811149685) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.