Physician Profile
Unclaimed ProfileAbout GAMSS
Jonathan Gamss, M.D. is a healthcare provider in Mount Kisco, NY specialising in emergency medicine. Jonathan is also listed as specialising in internal medicine.
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
Common questions
What does Dr. Gamss specialise in?
Dr. Gamss is an emergency medicine in Mount Kisco, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
Where is Dr. Gamss located?
Dr. Gamss is listed at 400 E MAIN ST NORTHERN WESTCHESTER HOSPITAL, Mount Kisco, NY 10549. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gamss's phone number?
The number on file is (914) 666-1680. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Gamss's NPI number?
Dr. Gamss's National Provider Identifier is 1598922874. 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. Gamss go to medical school?
Dr. Gamss attended Other, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gamss been practising?
Dr. Gamss has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Gamss do most often?
According to Medicare billing data, Dr. Gamss 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
Has Dr. Gamss confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gamss. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (914) 666-1680
- Email not available
Practice Locations
400 E MAIN ST NORTHERN WESTCHESTER HOSPITAL
Mount Kisco, NY 10549
Procedures Most Often Billed to Medicare
721 services · 661 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
430 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
78 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
71 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
58 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
33 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
28 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
12 |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other emergency medicines at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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.
More connections — 21 related providers in 3 groups
Other emergency medicines in Mount Kisco 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Other 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.