Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Theodore T. Guild, MD

Individual provider Orthopaedic Surgery Physician · NPI 1841752391

Dr. Theodore T. Guild, MD is an Orthopedic Surgery in Portsmouth, New Hampshire. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 2019, 7 years ago. Practices with Sportsmedicine Atlantic Orthopaedics PA, a 28-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maine and New Hampshire.

Years since qualifying
7
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
ME, NH
In the registry since
2019
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1900 Lafayette Rd
Portsmouth, NH 03801-5679
Phone: (603) 431-1121
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 16 Hospital Dr Ste 102a, York, ME 03909-1011 — (603) 431-1121

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 34577 (NH)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence MD29318 (ME)
Orthopaedic Foot and Ankle Surgery Physician Taxonomy 207XX0004X · Licence 34577 (NH)
Orthopaedic Foot and Ankle Surgery Physician Taxonomy 207XX0004X · Licence MD29318 (ME)

Record details

NPI number1841752391
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 3, 2019
Last updated in NPPESAugust 26, 2025
Certification dateAugust 26, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 2019 (7 years in practice)
Group practice Sportsmedicine Atlantic Orthopaedics Pa — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Portsmouth