TERRI LYNN GROSSHANS PA-C
NPI 1790904613
Physician Assistant - Surgical in Olympia, WA

Q: What is Terri Grosshans's NPI number?

The NPI number for Terri Grosshans is 1790904613. It was assigned to this individual provider in the NPPES registry on April 25, 2007. The provider is also known as Terri Lynn Hahn.

Q: What is Terri Grosshans's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Q: When was this NPI record last updated?

The NPPES record for Terri Grosshans was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since April 25, 2007PECOS EnrolledAccepts Medicare Assignment

3909 9TH AVE SW, OLYMPIA, WA 98502(360) 570-3460(360) 339-7266 Get Directions Write a Review

NPPES record last updated: June 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 3, 2026, Nov 24, 2015 (2 updates tracked since 2015).

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About Terri Lynn Grosshans Pa-c NPPES

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

TERRI LYNN GROSSHANS PA-C (NPI 1790904613) is an individual surgical provider in Olympia, Washington, licensed in Washington (PA60600225) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Providence St Peter Hospital, and maintains a secondary practice location in Olympia.

NPPES Registry Identity

NPI1790904613

Entity TypeIndividualFemale

Primary Taxonomy363AS0400X

Provider Legal NameTERRI LYNN GROSSHANSCredential: PA-C

Location Address3909 9TH AVE SWOlympia, WA 98502-5134

Mailing AddressPo Box 368Olympia, WA 98507-0368 · (360) 455-5144

Phone(360) 570-3460

Fax(360) 339-7266

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateApril 25, 2007

Last NPPES UpdateJune 3, 20262 updates tracked since enumeration

NPPES CertifiedJune 3, 2026

✔ NPI 1790904613 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

License✔ Licensed in WA · PA60600225

Also ListedMassage TherapistTaxonomy 225700000X · License MA14739 (WA)

3909 9TH AVE SW, Olympia, WA 98502

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Other Names 1

Former Name (1)Terri Lynn Hahn

Secondary Practice Location 1

Location 13901 Capital Mall Dr SW Ste BOlympia, WA 98502-8654 · Phone (360) 528-8571

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Terri Lynn Grosshans Pa-c 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 ID7315247145

PECOS Enrollment IDI20151201001956

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 18

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 moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

137 services108 patients

Injection of trigger points, 1-2 muscles 20552

Trigger point injection is a procedure used to treat painful areas of muscle that contain trigger points, or knots of muscle that form when muscles do not relax. 1-2 muscles are typically treated in one session. The procedure involves injecting medications into these points to alleviate pain.

129 services46 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

108 services96 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

58 services32 patients

X-ray of entire middle and lower spine, minimum of 6 views 72084

This procedure involves taking a series of X-ray images, at least six, of your middle and lower spine. It helps to identify any abnormalities or issues such as fractures, infections, or tumors. You'll be asked to stay still while the machine captures the images. It's quick and painless.

55 services55 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.

41 services39 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

40 services38 patients

Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 63048

This procedure involves the partial removal of a bone in your spine to alleviate pressure on your spinal cord or nerves. It may be performed on multiple spine segments depending on your condition. The aim is to improve mobility and reduce pain or discomfort.

38 services16 patients

Injection, methylprednisolone acetate, 80 mg J1040

Methylprednisolone acetate is a strong anti-inflammatory medication. It is often given as an 80 mg injection to reduce inflammation and pain. It's commonly used for conditions like arthritis, allergic disorders, or other inflammatory diseases.

37 services24 patients

X-ray of entire middle and lower spine, 2-3 views 72082

An X-ray of your middle and lower spine involves capturing images of these areas to identify any abnormalities. The procedure involves taking 2-3 different views for a comprehensive understanding. It's non-invasive and usually painless, helping doctors diagnose conditions like fractures or infections.

23 services23 patients

Fusion of spine in lower back with partial removal of spine bone and disc 22633

This procedure, called lumbar spinal fusion, involves joining two or more vertebrae in your lower back. It includes a partial removal of a spine bone and disc to alleviate pain and improve stability. The goal is to reduce motion between vertebrae and prevent nerve irritation.

21 services21 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.

21 services21 patients

Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back 63052

This procedure involves the partial removal of a bone segment in your lower back to relieve pressure on your spinal cord or nerves. It's usually done during a spinal fusion in the lower back, which helps to stabilize your spine by joining two or more vertebrae together.

19 services19 patients

Harvest of bone fragment for spine bone graft 20937

A harvest of a bone fragment for a spine bone graft is a procedure where a small piece of bone is taken from another part of your body. This bone is then used to help repair or strengthen areas in your spine that may be damaged or weak.

16 services16 patients

Placement of stabilizing device to back, 3-6 spine bone segments 22842

This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.

16 services16 patients

Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047

This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.

13 services13 patients

X-ray of upper spine, 4-5 views 72050

An X-ray of the upper spine with 4-5 views is a non-invasive imaging test. It uses radiation to capture detailed images of the bones and structures in your neck and upper back. This procedure helps identify issues like fractures, infections, or deformities.

12 services12 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Providence St Peter Hospital

Acute Care Hospitals · Olympia, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500024

Location413 Lilly Road NEOlympia, WA 98506 · Thurston County

Emergency services Birthing friendly

Grays Harbor Community Hospital

Acute Care Hospitals · Aberdeen, WA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500031

Location915 Anderson DriveAberdeen, WA 98520 · Grays Harbor County

Emergency services Birthing friendly

Capital Medical Center

Acute Care Hospitals · Olympia, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500139

Location3900 Capital Mall Dr SWOlympia, WA 98502 · Thurston County

Emergency services Birthing friendly

Summit Pacific Medical Center

Critical Access Hospitals · Elma, WA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number501304

Location600 East Main StreetElma, WA 98541 · Grays Harbor County

Emergency services

Mason General Hospital & Family Of Clinics

Critical Access Hospitals · Shelton, WA

1/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number501336

Location901 Mt View DriveShelton, WA 98584 · Mason County

Emergency services

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.

MR. JOSHUA M GRANT PA-C

Physician Assistant (Medical)