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DR. THEODORE T. GUILD MD
NPI 1841752391
Orthopaedic Surgery in Portsmouth, NH

Active since April 03, 2019PECOS EnrolledAccepts Medicare Assignment
1900 LAFAYETTE RD, PORTSMOUTH, NH 03801(603) 431-1121 Get Directions Write a Review

NPPES record last updated: August 26, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 25, 2024, Apr 4, 2024, Apr 3, 2019 (3 updates tracked since 2019).

About Dr. Theodore T. Guild Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THEODORE T. GUILD MD (NPI 1841752391) is an individual orthopaedic surgery provider in Portsmouth, New Hampshire, licensed in New Hampshire (34577) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with York Hospital, and maintains a secondary practice location in York.

NPPES Registry Identity

NPI1841752391
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. THEODORE T. GUILDCredential: MD
Location Address1900 LAFAYETTE RDPortsmouth, NH 03801-5679
Mailing Address1900 Lafayette RdPortsmouth, NH 03801-5679 · (603) 431-1121
Phone(603) 431-1121
Sole ProprietorYes
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2019
Enumeration DateApril 3, 2019
Last NPPES UpdateAugust 26, 20253 updates tracked since enumeration
NPPES CertifiedAugust 26, 2025
✔ NPI 1841752391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in NH · 34577✔ Licensed in ME · MD29318
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Foot and Ankle SurgeryTaxonomy 207XX0004X · License 34577 (NH), MD29318 (ME)
1900 LAFAYETTE RD, Portsmouth, NH 03801
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Secondary Practice Location 1

Location 116 Hospital Dr Ste 102AYork, ME 03909-1011 · Phone (603) 431-1121

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Theodore T. Guild Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466782313
PECOS Enrollment IDI20250721001078, I20250729001203
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

York Hospital

Acute Care Hospitals · York, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200020
Location15 Hospital DriveYork, ME 03909 · York County
Emergency services Birthing friendly

Portsmouth Regional Hospital

Acute Care Hospitals · Portsmouth, NH
3/5 CMS rating
OwnershipProprietary
CMS Certification Number300029
Location333 Borthwick AvePortsmouth, NH 03801 · Rockingham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.14 typical visit price
range $57.75 – $174.26
Typical copayment $22.28 (range $14.43 – $43.56)
Most-billed visit code 99203
Established Patient
$71.85 typical visit price
range $18.70 – $142.15
Typical copayment $17.96 (range $4.67 – $35.53)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEGAN E SPURLING PA-C
Physician Assistant
1900 LAFAYETTE RD, STE A
PORTSMOUTH, NH 03801
Rockingham County (603) 431-1121
SHIELDS IMAGING OF PORTSMOUTH LLC
Clinic/Center (Magnetic Resonance Imaging (MRI))
1900 LAFAYETTE RD, SUITE B
PORTSMOUTH, NH 03801
Rockingham County (800) 258-4674
MR. BRIAN DENNIS BARRY PAC
Orthopaedic Surgery
1900 LAFAYETTE RD, SUITE A
PORTSMOUTH, NH 03801
Rockingham County (603) 431-1121
CHRISTINA M SCARDINA PA-C
Physician Assistant (Surgical)
1900 LAFAYETTE RD, SUITE A
PORTSMOUTH, NH 03801
Rockingham County (603) 431-1122
RYAN LABELLE
Orthopaedic Surgery
1900 LAFAYETTE RD
PORTSMOUTH, NH 03801
Rockingham County (603) 431-1121
MR. BARRY CHRISTOPHER CUSSON PA
Orthopaedic Surgery
1900 LAFAYETTE RD, SUITE A
PORTSMOUTH, NH 03801
Rockingham County (603) 431-1121
HILARY L STORNELLI PT
Physical Therapist
1900 LAFAYETTE RD, STE C
PORTSMOUTH, NH 03801
Rockingham County (603) 431-5610
DR. AKHILESH SASTRY MD
Orthopaedic Surgery
1900 LAFAYETTE RD, SUITE A
PORTSMOUTH, NH 03801
Rockingham County (603) 431-1121

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Theodore Guild's NPI number?

The NPI number for Theodore Guild is 1841752391. It was assigned to this individual provider in the NPPES registry on April 3, 2019.

Where is Theodore Guild located?

Theodore Guild practices at 1900 Lafayette Rd, Portsmouth, NH 03801. The listed phone number is (603) 431-1121.

What is Theodore Guild's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Theodore Guild enrolled in Medicare?

Yes. Theodore Guild is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Theodore Guild accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Molina Healthcare and 1 other insurer list Theodore Guild as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Theodore Guild affiliated with any hospitals?

According to CMS data, Theodore Guild is affiliated with York Hospital and Portsmouth Regional Hospital.

When was this NPI record last updated?

The NPPES record for Theodore Guild was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.