Gregory Ambuske, D.O.
NPI 1093920746 · Internal Medicine Physician · Colorado Springs, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Ambuske, D.O. is a Internal Medicine Physician provider in Colorado Springs, CO (NPI 1093920746).
Provider details
- NPI number
- 1093920746
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OS013889 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
288 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 104 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 67 | $92 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 57 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 19 | $131 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 15 | $113 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 41 | 22 |
| Levothyroxine Sodium | 30 | 18 |
| Amlodipine Besylate | 26 | 17 |
| Lisinopril | 26 | — |
| Diazepam | 25 | — |
| Rosuvastatin Calcium | 19 | — |
| Tramadol Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-14
- Last updated
- 2021-01-08
- Certified
- 2021-01-08
Frequently asked questions
- What is Gregory Ambuske's NPI number?
- Gregory Ambuske's National Provider Identifier (NPI) is 1093920746, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Ambuske's specialty?
- Gregory Ambuske is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Ambuske located?
- Gregory Ambuske's practice location on file with NPPES is 6915 Tutt Blvd Ste 110b, Colorado Springs, CO 80923-3591.
- What is Gregory Ambuske's phone number?
- The practice phone number listed in the NPPES registry for Gregory Ambuske is (719) 445-1292.
- Does Gregory Ambuske accept Medicare?
- Gregory Ambuske is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Ambuske's NPI active?
- Yes — Gregory Ambuske's NPI (1093920746) is active in the NPPES registry as of the last update on 2021-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.