GARETH DAVIES M.D.
NPI 1609033232
Neurological Surgery in Portsmouth, NH

Active since May 21, 2008PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
330 BORTHWICK AVE, SUITE 300, PORTSMOUTH, NH 03801(603) 433-4666(603) 433-1338 Get Directions Write a Review

NPPES record last updated: February 10, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gareth Davies M.d. NPPES

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

GARETH DAVIES M.D. (NPI 1609033232) is an individual neurological surgery provider in Portsmouth, New Hampshire, licensed in New Hampshire (17105) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with York Hospital, and is a graduate of Geisel School Of Medicine At Dartmouth (2008).

NPPES Registry Identity

NPI1609033232
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameGARETH DAVIESCredential: M.D.
Location Address330 BORTHWICK AVE, SUITE 300Portsmouth, NH 03801-4174
Mailing Address330 Borthwick Ave, Suite 300Portsmouth, NH 03801-4174 · (603) 433-4666 · Fax (603) 433-1338
Fax(603) 433-1338
Sole ProprietorNo
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 2008
Enumeration DateMay 21, 2008
Last NPPES UpdateFebruary 10, 2022
NPI 1609033232 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Licenses Licensed in NH · 17105 Licensed in PA · MT192538
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
330 BORTHWICK AVE, Portsmouth, NH 03801

Other Identifiers 2

Medicaid3103303NH
OtherP01530333NH · Railroad Medicare

Accepted 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

Gareth Davies M.d. 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 ID6406163500
PECOS Enrollment IDI20150923000052
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.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
134 services98 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
99 services99 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
22 services22 patients
Insertion or replacement of spinal neurostimulator generator or receiver 63685
The insertion of a spinal neurostimulator generator or receiver is a procedure to manage chronic pain. A small device is implanted under your skin, which sends mild electrical signals to your spinal cord. These signals disrupt pain signals, helping to reduce discomfort.
19 services19 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
18 services18 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Wentworth-Douglass Hospital

Acute Care Hospitals · Dover, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300018
Location789 Central AveDover, NH 03820 · Strafford County
Emergency services Birthing friendly

Exeter Hospital Inc

Acute Care Hospitals · Exeter, NH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300023
Location5 Alumni DriveExeter, NH 03833 · Rockingham 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

Huggins Hospital

Critical Access Hospitals · Wolfeboro, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number301312
Location240 South Main StreetWolfeboro, NH 03894 · Carroll County
Emergency services

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
$132.09 typical visit price
range $57.75 – $174.26
Typical copayment $33.02 (range $14.43 – $43.56)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

e-Prescribing
98%42 patients4/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
100%204 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Surgery
330 BORTHWICK AVE
PORTSMOUTH, NH 03801
Neurological Surgery
330 BORTHWICK AVE, SUITE 300
PORTSMOUTH, NH 03801
Dermatology
330 BORTHWICK AVE, SUITE 303
PORTSMOUTH, NH 03801
Nurse Practitioner (Pediatrics)
330 BORTHWICK AVE, SUITE 202
PORTSMOUTH, NH 03801
Plastic Surgery
330 BORTHWICK AVE, STE 206
PORTSMOUTH, NH 03801
Internal Medicine
330 BORTHWICK AVE, SUITE 205
PORTSMOUTH, NH 03801
Ophthalmology
330 BORTHWICK AVE, SUITE 307
PORTSMOUTH, NH 03801
Internal Medicine
330 BORTHWICK AVE, SUITE 210
PORTSMOUTH, NH 03801

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 Gareth Davies's NPI number?

The NPI number for Gareth Davies is 1609033232. It was assigned to this individual provider in the NPPES registry on May 21, 2008.

Where is Gareth Davies located?

Gareth Davies practices at 330 Borthwick Ave Suite 300, Portsmouth, NH 03801. The listed phone number is (603) 433-4666.

What is Gareth Davies's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Gareth Davies enrolled in Medicare?

Yes. Gareth Davies 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 Gareth Davies accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Gareth Davies 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 Gareth Davies affiliated with any hospitals?

According to CMS data, Gareth Davies is affiliated with York Hospital, Wentworth-Douglass Hospital, Exeter Hospital Inc, Portsmouth Regional Hospital and Huggins Hospital.

When was this NPI record last updated?

The NPPES record for Gareth Davies was last updated on February 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.