Matthew Slack
NPI 1841879236 · Emergency Medicine Physician · Cheboygan, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Slack is a Emergency Medicine Physician provider in Cheboygan, MI (NPI 1841879236).
Provider details
- NPI number
- 1841879236
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 5101027938 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
159 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 88 | $170 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 60 | $118 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 11 | $69 |
Typical Medicare-allowed amounts for these services range $69–$170 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 22 | 22 |
| Doxycycline Hyclate | 19 | 19 |
| Azithromycin | 16 | 15 |
| Oxycodone Hcl | 16 | 16 |
| Prednisone | 13 | 13 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 11 | 11 |
| Ondansetronbrand: Ondansetron Odt | 11 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 416 Connable AvePetoskey, MI 49770-2212Phone: (231) 487-4000
Registry dates
- Enumerated
- 2021-04-05
- Last updated
- 2024-08-06
- Certified
- 2024-08-06
Frequently asked questions
- What is Matthew Slack's NPI number?
- Matthew Slack's National Provider Identifier (NPI) is 1841879236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Slack's specialty?
- Matthew Slack is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Slack located?
- Matthew Slack's practice location on file with NPPES is 748 S Main St, Cheboygan, MI 49721-2220.
- What is Matthew Slack's phone number?
- The practice phone number listed in the NPPES registry for Matthew Slack is (231) 487-2490.
- Does Matthew Slack accept Medicare?
- Matthew Slack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Slack's NPI active?
- Yes — Matthew Slack's NPI (1841879236) is active in the NPPES registry as of the last update on 2024-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.