DR. DAVID CHARLES GRELLMANN (M.D.) – Family Medicine Physician, NPI 1205824570
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2,862 FAMILY PRACTICE in IN
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Provider Addresses for DR. DAVID CHARLES GRELLMANN (M.D.)
710, North Niles Avenue, South Bend, Saint Joseph County, Indiana, 46617, United States
SOUTH BEND, IN 466351924
Phone: (574) 647-1610
Fax: (574) 237-6069
Type: Mailing
Main Street, Granger, Scotland County, Missouri, 63442, United States
GRANGER, IN 465309601
Phone: (574) 647-1500
Fax: (574) 243-4306
Type: Location
1815 E Ireland Rd
South Bend, IN 466142845
Phone: (574) 647-1750
Fax: (574) 647-1748
Type: Location
3301 County Road 6 E
Elkhart, IN 465147673
Phone: (574) 266-5342
Fax: (574) 266-5847
Type: Location
2222 Rieth Blvd
Suite 100
Goshen, IN 465265869
Phone: (574) 875-1200
Type: Location
3245 HEALTH DRIVE
SUITE 100
GRANGER, IN 465303245
Phone: (574) 647-1840
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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Medicare Enrollment & Revalidation
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Educational use only—not medical, billing, or legal advice.
No Medicare enrollment or revalidation data available for this provider in our database.
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Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 20 | 20 | $0 |
Insurance plans in this area (ZIP 46635)
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