Provider Profile
Christina Stillwell, PA
Unclaimed ProfileAbout Christina Stillwell
Listed in the NPI registry as a physician assistant, Christina Stillwell, PA practices in West Islip, NY. Medicare claims data shows Christina provided 511 services to 500 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19). NPI 1609802669 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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
- (631) 376-3000
- Email not available
Practice Locations
1000 MONTAUK HWY
West Islip, NY 11795
Procedures Most Often Billed to Medicare
511 services · 500 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
15 | Less often than most peers in Physician Assistant |
| Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older) | Treatment | 90715 |
12 | Less often than most peers in Physician Assistant |
| Administration of vaccine | Treatment | 90471 |
12 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
141 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
92 | More often than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
69 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
52 | As often as other peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
43 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
31 | More often than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
27 | Less often than most peers in Physician Assistant |
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 physician assistants at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 30 related providers in 4 groups
Other physician assistants in West Islip 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Christina Stillwell?
Christina Stillwell is a physician assistant in West Islip, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Christina Stillwell's address?
Christina Stillwell is listed at 1000 Montauk Hwy, West Islip, NY 11795. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Christina Stillwell?
The number on file is (631) 376-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Christina Stillwell?
Christina Stillwell's National Provider Identifier is 1609802669. 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 Christina Stillwell train?
Christina Stillwell attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Christina Stillwell have?
Christina Stillwell has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Christina Stillwell perform?
According to Medicare billing data, Christina Stillwell performs imaging including x-ray of chest, 2 views; provides treatments such as diphtheria, tetanus, and acellular pertussis vaccine and administration of vaccine, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Christina Stillwell's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Christina Stillwell. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.