Keith Field, P.A.
NPI 1710953435 · Physician Assistant · Port Jefferson, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Field, P.A. is a Physician Assistant provider in Port Jefferson, NY (NPI 1710953435).
Provider details
- NPI number
- 1710953435
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 009046-1 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
812 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 374 | $9 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 271 | $48 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 61 | $76 |
| Insertion of Tube for Infusion (5 Years Or Older)36569 | 41 | $93 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 41 | $113 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-23
- Last updated
- 2007-10-29
Frequently asked questions
- What is Keith Field's NPI number?
- Keith Field's National Provider Identifier (NPI) is 1710953435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Field's specialty?
- Keith Field is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Keith Field located?
- Keith Field's practice location on file with NPPES is 200 Belle Terre Rd, Port Jefferson, NY 11777-1928.
- What is Keith Field's phone number?
- The practice phone number listed in the NPPES registry for Keith Field is (631) 474-6000.
- Does Keith Field accept Medicare?
- Keith Field is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Field's NPI active?
- Yes — Keith Field's NPI (1710953435) is active in the NPPES registry as of the last update on 2007-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.