KATHERIN ADRIANA SONNEBORN PA
NPI 1881901718
Physician Assistant in Exeter, NH

Q: What is Katherin Sonneborn's NPI number?

The NPI number for Katherin Sonneborn is 1881901718. It was assigned to this individual provider in the NPPES registry on September 14, 2010.

Q: What is Katherin Sonneborn's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Active since September 14, 2010PECOS EnrolledAccepts Medicare Assignment

83.63/100

CMS Quality Rating

3 ALUMNI DR STE 301, EXETER, NH 03833(603) 775-7405(603) 775-7424 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 12, 2025, Nov 2, 2021, Jul 23, 2019 (3 updates tracked since 2019).

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About Katherin Adriana Sonneborn Pa NPPES

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

KATHERIN ADRIANA SONNEBORN PA (NPI 1881901718) is an individual physician assistant in Exeter, New Hampshire, licensed in Massachusetts (PA101126) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1881901718

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameKATHERIN ADRIANA SONNEBORNCredential: PA

Location Address3 ALUMNI DR STE 301Exeter, NH 03833-2123

Mailing Address7 Holland Way Fl 1Exeter, NH 03833-2997 · (603) 775-7405 · Fax (603) 775-7424

Phone(603) 775-7405

Fax(603) 775-7424

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateSeptember 14, 2010

Last NPPES UpdateDecember 12, 20253 updates tracked since enumeration

NPPES CertifiedDecember 12, 2025

✔ NPI 1881901718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in MA · PA101126

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 1029 (NH)

3 ALUMNI DR STE 301, Exeter, NH 03833

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Secondary Practice Locations 2

Location 1100 Hitchcock Way, Dartmouth Hitchcock - General SurgeryManchester, NH 03104 · Phone (603) 695-2722

Location 255 Fruit StBoston, MA 02114-2696 · Phone (617) 726-2000

Other Identifiers 1

Medicaid3097987NH

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

Katherin Adriana Sonneborn Pa 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 ID6406035831

PECOS Enrollment IDI20140728001523, I20250731002546

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

77 services54 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.

48 services48 patients

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.

18 services17 patients

Hospital Affiliations CMS Care Compare

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03833 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.

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.

83.63/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

78.06

Promoting Interoperability

Improvement Activities

Other Providers at the Same Location NPPES 18

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

RONG TANG MD

Surgery