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Edit this profileAt a glance
- 400 E Main St, Westchester Pathology Associates, Mount Kisco, NY 10549
About Dr. Grathwohl
Mark Grathwohl, M.D. is a specialist based in Mount Kisco, NY. Medicare claims data shows Mark provided 583 services to 292 patients. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to identify organisms including interpretation and report, and pathology examination of tissue using a microscope, moderately high complexity. The provider's National Provider Identifier (NPI) is 1386617363.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (845) 562-7995
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
400 E MAIN ST WESTCHESTER PATHOLOGY ASSOCIATES
Mount Kisco, NY 10549
Procedures Most Often Billed to Medicare
583 services · 292 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
349 | As often as other peers in Specialist |
| Special stained specimen slides to identify organisms including interpretation and report | Lab test | 88312 |
55 | As often as other peers in Specialist |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
50 | As often as other peers in Specialist |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
41 | Less often than most peers in Specialist |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
35 | Less often than most peers in Specialist |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
28 | Less often than most peers in Specialist |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
25 | Less often than most peers in Specialist |
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.
Other specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Common questions
What kind of doctor is Mark Grathwohl?
Mark Grathwohl is a specialist in Mount Kisco, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mark Grathwohl's address?
Mark Grathwohl is listed at 400 E Main St Westchester Pathology Associates, Mount Kisco, NY 10549. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mark Grathwohl?
The number on file is (845) 562-7995. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark Grathwohl?
Mark Grathwohl's National Provider Identifier is 1386617363. 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
How much experience does Mark Grathwohl have?
Mark Grathwohl has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Mark Grathwohl perform?
According to Medicare billing data, Mark Grathwohl 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 Mark Grathwohl's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark Grathwohl. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.