Physician Profile
Unclaimed ProfileAbout GRILLIS
Michael Emanuel Grillis, DO is a healthcare provider in Fremont, OH specializing in general surgery. Michael trained at West Virginia School of Osteopathic Medicine, graduating in 1977. Michael is also listed as specializing in surgery. According to Medicare claims data, Michael cared for 406 Medicare patients across 413 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (419) 355-8488
- Email not available
Practice Locations
2281 HAYES AVE
Fremont, OH 43420
Procedures Most Often Billed to Medicare
413 services · 406 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
96 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
85 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
26 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
21 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
32 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
32 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
28 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
23 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
20 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
19 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at West Virginia School of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in OH who bill this service to Medicare most often.
Common questions
What is Dr. Grillis's specialty?
Dr. Grillis is a general surgeon in Fremont, OH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Where can I find Dr. Grillis?
Dr. Grillis is listed at 2281 HAYES AVE, Fremont, OH 43420. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Grillis?
The number on file is (419) 355-8488. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Grillis's NPI number?
Dr. Grillis's National Provider Identifier is 1508974494. 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
What is Dr. Grillis's medical education?
Dr. Grillis attended West Virginia School of Osteopathic Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grillis been practicing?
Dr. Grillis has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Grillis known for?
According to Medicare billing data, Dr. Grillis performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and diagnostic exam of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grillis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grillis. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.