Physician Profile
Mark H. Greenberg, MD practices rheumatology in Saint Joseph, MI. Medicare claims data shows Mark provided 100 services to 73 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
3950 HOLLYWOOD RD STE 288
Saint Joseph, MI 49085
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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100 services · 73 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
100 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Greenberg is a rheumatology in Saint Joseph, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Greenberg is listed at 3950 Hollywood Rd Ste 288, Saint Joseph, MI 49085. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (269) 408-0990. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Greenberg's National Provider Identifier is 1992757405. 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. Greenberg attended Other, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
Dr. Greenberg has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Greenberg 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. Greenberg. 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.