Physician Profile
Unclaimed ProfileAbout CARTER
William P Carter, M.D. practices emergency medicine in Portsmouth, NH. According to Medicare claims data, William cared for 315 Medicare patients across 721 services.
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
- (603) 436-5110
- Email not available
Practice Locations
333 BORTHWICK AVE
Portsmouth, NH 03801
Procedures Most Often Billed to Medicare
721 services · 315 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
175 |
| Removal of tissue from wound, 20.0 sq cm or less | Treatment | 97597 |
130 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
277 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
96 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
28 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
15 |
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 emergency medicines at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 26 related providers in 4 groups
Other emergency medicines in Portsmouth 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of skin and tissue, 20.0 sq cm or less 7
Providers in NH who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Carter?
Dr. Carter is an emergency medicine in Portsmouth, NH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
What is Dr. Carter's address?
Dr. Carter is listed at 333 BORTHWICK AVE, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Carter?
The number on file is (603) 436-5110. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Carter's NPI number?
Dr. Carter's National Provider Identifier is 1083795116. 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. Carter train?
Dr. Carter attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Carter been practicing?
Dr. Carter has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Carter perform?
According to Medicare billing data, Dr. Carter performs procedures including removal of skin and tissue, 20.0 sq cm or less; provides treatments such as removal of tissue from wound, 20.0 sq cm or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Carter confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Carter. 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.