Physician Profile
Unclaimed ProfileAbout TERWILLIGER
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Education & Training
Areas of Expertise
Common questions
What is Dr. Terwilliger's specialty?
Dr. Terwilliger is a physician assistant in Portland, ME. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where can I find Dr. Terwilliger?
Dr. Terwilliger is listed at 144 STATE ST, Portland, ME 04101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Terwilliger?
The number on file is (207) 879-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Terwilliger's NPI number?
Dr. Terwilliger's National Provider Identifier is 1952343162. 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
What is Dr. Terwilliger's medical education?
Dr. Terwilliger attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Terwilliger been practising?
Dr. Terwilliger has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Terwilliger known for?
According to Medicare billing data, Dr. Terwilliger 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. Terwilliger confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Terwilliger. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (207) 879-3000
- Email not available
Practice Locations
144 STATE ST
Portland, ME 04101
Procedures Most Often Billed to Medicare
60 services · 47 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
23 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
20 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
17 |
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 physician assistants at this location 5
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 — 24 related providers in 3 groups
Other physician assistants in Portland 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 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.