Colin Holtze, M.D.
NPI 1275825846 · Pulmonary Disease Physician · Ypsilanti, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colin Holtze, M.D. is a Pulmonary Disease Physician provider in Ypsilanti, MI (NPI 1275825846).
Provider details
- NPI number
- 1275825846
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301106884 (MI)
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
15 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
947 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 | 246 | $126 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 112 | $16 |
| Critical Care, First 30-74 Minutes99291 | 108 | $216 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 69 | $91 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 58 | $9 |
| Test to Determine Lung Volumes Using Sensors |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 230 | 73 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 225 | 57 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 178 | 88 |
| Prednisone | 156 | 70 |
| Budesonide/Formoterol Fumaratebrand: Budesonide-Formoterol Fumarate | 103 | 29 |
| Montelukast Sodium | 75 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-13
- Last updated
- 2021-07-23
- Certified
- 2021-07-23
Frequently asked questions
- What is Colin Holtze's NPI number?
- Colin Holtze's National Provider Identifier (NPI) is 1275825846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Holtze's specialty?
- Colin Holtze is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Colin Holtze located?
- Colin Holtze's practice location on file with NPPES is 5333 Mcauley Dr Rm 3111, Ypsilanti, MI 48197-1098.
- What is Colin Holtze's phone number?
- The practice phone number listed in the NPPES registry for Colin Holtze is (734) 712-7688.
- Does Colin Holtze accept Medicare?
- Colin Holtze is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colin Holtze's NPI active?
- Yes — Colin Holtze's NPI (1275825846) is active in the NPPES registry as of the last update on 2021-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.