Physician Profile
Douglas H. Slater, MD is a healthcare provider in Grayling, MI specializing in pediatrics. Douglas trained at Michigan State University College of Human Medicine, graduating in 1986. Douglas is also listed as specializing in internal medicine. According to Medicare claims data, Douglas cared for 93 Medicare patients across 93 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes and critical care, first 30-74 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1250 E MICHIGAN AVE
Grayling, MI 49738
Within Pediatrics generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Digestive and urinary
Ear, nose, throat, and eye
Growth, development, and behavior
Newborn and infant
Respiratory and infectious
Skin
Brain & nerves
Digestive health
Digestive Health
Infant Health
Infections
Injuries
Mental Health
Respiratory
Skin Conditions
Most searched procedures
Immunization and screening
Office testing
Checkups & Exams
Developmental & Behavioral
Diagnostic Tests
Diagnostic tests
Infant Health
Lab tests & screenings
Minor procedures
Office procedures
Preventive care
Procedures & Minor Surgery
Respiratory
Urgent care & minor procedures
93 services · 93 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
66 | More often than most peers in Pediatrics |
| Critical care, first 30-74 minutes | Office visit | 99291 |
27 | Less often than most peers in Pediatrics |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Slater is a pediatrician in Grayling, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pediatrics”.
NPI registry
Dr. Slater is listed at 1250 E Michigan Ave, Grayling, MI 49738. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (989) 348-0550. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Slater's National Provider Identifier is 1134152382. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Slater attended Michigan State University College of Human Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
Dr. Slater has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Slater the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Slater. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.