Physician Profile
Unclaimed ProfileAbout ERMAK
David Matthew Ermak, D.O. practices neurology in Danville, PA. David is a 2009 graduate of Philadelphia College of Osteopathic Medicine. David is also listed as specializing in vascular neurology. Medicare claims data shows David provided 349 services to 246 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
- (570) 271-6472
- Email not available
Practice Locations
100 N ACADEMY AVE
Danville, PA 17822
Procedures Most Often Billed to Medicare
349 services · 246 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
195 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
95 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
24 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
19 |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
16 |
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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurology specialists in Danville 8
Same specialty, same city.
Trained at Philadelphia College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2009 at Philadelphia College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Ermak specialize in?
Dr. Ermak is a neurology in Danville, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEUROLOGY”.
NPI registry
Where is Dr. Ermak located?
Dr. Ermak is listed at 100 N ACADEMY AVE, Danville, PA 17822. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ermak's phone number?
The number on file is (570) 271-6472. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ermak?
Dr. Ermak's National Provider Identifier is 1689816787. 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
Where did Dr. Ermak go to medical school?
Dr. Ermak attended Philadelphia College of Osteopathic Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ermak have?
Dr. Ermak has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ermak do most often?
According to Medicare billing data, Dr. Ermak 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
Is Dr. Ermak's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ermak. 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.