Physician Profile
Unclaimed ProfileAbout GRUHL
Robert Richard Gruhl, MD is a healthcare provider in Duluth, MN specializing in otolaryngology. Robert trained at University of Minnesota Medical School, graduating in 2018. Robert is also listed as specializing in otolaryngology (ent) and student in an organized health care education program. Medicare claims data shows Robert provided 270 services to 233 patients.
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
- (218) 786-3233
- Email not available
Practice Locations
400 E 3RD ST
Duluth, MN 55805
Procedures Most Often Billed to Medicare
270 services · 233 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
48 |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
18 |
| Removal of impacted ear wax | Procedure | 69210 |
16 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
74 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
52 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
31 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
17 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
14 |
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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other otolaryngology specialists in Duluth 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Minnesota Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at University of Minnesota Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of voice box using a flexible endoscope 8
Providers in MN who bill this service to Medicare most often.
Common questions
What is Dr. Gruhl's specialty?
Dr. Gruhl is an otolaryngology in Duluth, MN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OTOLARYNGOLOGY”.
NPI registry
Where can I find Dr. Gruhl?
Dr. Gruhl is listed at 400 E 3RD ST, Duluth, MN 55805. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Gruhl?
The number on file is (218) 786-3233. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gruhl?
Dr. Gruhl's National Provider Identifier is 1962909549. 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. Gruhl's medical education?
Dr. Gruhl attended University of Minnesota Medical School, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gruhl have?
Dr. Gruhl has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Gruhl known for?
According to Medicare billing data, Dr. Gruhl performs procedures including diagnostic exam of voice box using a flexible endoscope, diagnostic exam of nasal passages using an endoscope and removal of impacted ear wax, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gruhl's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gruhl. 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.