Debra Koelzer, PAC
NPI 1154343465 · Physician Assistant · Livonia, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Debra Koelzer, PAC is a Physician Assistant provider in Livonia, MI (NPI 1154343465).
Provider details
- NPI number
- 1154343465
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- 5601003709 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
805 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 474 | $87 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 135 | $60 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 100 | $159 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 50 | $108 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 30 | $124 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 127 | — |
| Quetiapine Fumarate | 107 | 12 |
| Olanzapine | 57 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 56 | — |
| Trazodone Hcl | 51 | — |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 50 | — |
| Benztropine Mesylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2018-08-09
Frequently asked questions
- What is Debra Koelzer's NPI number?
- Debra Koelzer's National Provider Identifier (NPI) is 1154343465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Debra Koelzer's specialty?
- Debra Koelzer is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Debra Koelzer located?
- Debra Koelzer's practice location on file with NPPES is 38807 Ann Arbor Rd, Livonia, MI 48150.
- What is Debra Koelzer's phone number?
- The practice phone number listed in the NPPES registry for Debra Koelzer is (734) 953-6734.
- Does Debra Koelzer accept Medicare?
- Debra Koelzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Debra Koelzer's NPI active?
- Yes — Debra Koelzer's NPI (1154343465) is active in the NPPES registry as of the last update on 2018-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.