CHRISTINE HAMMER MD
NPI 1821389255
Neurological Surgery in Olympia, WA

NPI Status: Active since April 19, 2011

Contact Information

3909 9TH AVE SW
OLYMPIA, WA
ZIP 98502
Phone: (360) 570-3462
Fax: (360) 339-7266

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  • Individual
  • Female
  • Years of Experience 15
  • Neurological Surgery
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About CHRISTINE HAMMER

This page provides the complete NPI Profile along with additional information for Christine Hammer, a provider established in Olympia, Washington with a medical specialization in Neurological Surgery and more than 15 years of experience. She graduated from Indiana University School Of Medicine in 2011. The healthcare provider is registered in the NPI registry with number 1821389255 assigned on April 2011. The practitioner's primary taxonomy code is 207T00000X with license number MD60937237 (WA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1821389255
Provider Name
CHRISTINE HAMMER MD
Gender
Female
Entity Type
Individual
Location Address
3909 9TH AVE SW OLYMPIA, WA 98502
Location Phone
(360) 570-3462
Location Fax
(360) 339-7266
Mailing Address
PO BOX 368 OLYMPIA, WA 98507
Mailing Phone
(360) 455-5144
Mailing Fax
(360) 339-7266
Medical School Name
INDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
2011
Is Sole Proprietor?
No
Enumeration Date
04-19-2011
Last Update Date
06-04-2026
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Location Map

Secondary Locations

  • 3901 Capital Mall Dr SW Ste B
    Olympia, WA 98502
    (360) 528-8571

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Neurological Surgery

Taxonomy Code
207T00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD60937237
License State
WA
Taxonomy Description
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Premera Blue Cross Alaska One Gold - PPO
  • Premera Blue Cross Preferred Bronze 5800 HSA - PPO
  • Premera Blue Cross Preferred Bronze 6350 - PPO
  • Premera Blue Cross Preferred Gold 1500 - PPO
  • Premera Blue Cross Preferred Silver 4500 - PPO
  • Premera Blue Cross Standard Bronze II - PPO
  • Premera Blue Cross Standard Gold - PPO
  • Premera Blue Cross Standard Silver - PPO
  • Premera Blue Cross Family Dental - PPO
  • Premera Blue Cross Pediatric Dental - PPO
  • HSA Qualified 7500 Bronze - Choice Network - EPO
  • HSA-E Qualified 7500 Bronze - Signature Network - EPO
  • Providence Oregon Standard Bronze Plan - Choice Network - EPO
  • Providence Oregon Standard Bronze Plan - Signature Network - EPO
  • Providence Oregon Standard Gold Plan - Choice Network - EPO
  • Providence Oregon Standard Gold Plan - Signature Network - EPO
  • Providence Oregon Standard Silver Plan - Choice Network - EPO
  • Providence Oregon Standard Silver Plan - Signature Network - EPO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
2141672MEDICAID (05)WA 

Medicare Participation & PECOS Enrollment Status

Christine Hammer is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Christine Hammer is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 2860700861

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20191106000070

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Emergency department visit with straightforward medical decision making

An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.

This service was performed 11 times for 11 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

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.

This service was performed 206 times for 147 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

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.

This service was performed 75 times for 66 patients

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

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.

This service was performed 80 times for 71 patients

Fusion of additional segment of spine

Fusion of an additional segment of the spine is a surgical procedure to join two or more vertebrae together. This is done to stabilize the spine and reduce pain or correct a deformity. The procedure involves using bone grafts, rods, or screws to secure the spine.

This service was performed 42 times for 19 patients

Fusion of additional segment of spine with partial removal of spine bone and disc

This procedure involves merging an extra part of your spine with a partial removal of your spine bone and disc. It's done to provide stability, reduce pain, and correct deformities. It's like creating a natural bridge of bone that stabilizes the spine.

This service was performed 23 times for 16 patients

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

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.

This service was performed 27 times for 27 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

This service was performed 23 times for 23 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes

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.

This service was performed 23 times for 22 patients

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

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.

This service was performed 55 times for 31 patients

Mri scan of lower spinal canal without contrast

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

This service was performed 39 times for 39 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more

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.

This service was performed 87 times for 87 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more

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.

This service was performed 49 times for 49 patients

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

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.

This service was performed 17 times for 17 patients

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

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.

This service was performed 23 times for 13 patients

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

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.

This service was performed 27 times for 27 patients

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

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.

This service was performed 12 times for 12 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

This service was performed 26 times for 15 patients

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

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.

This service was performed 25 times for 25 patients

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

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.

This service was performed 64 times for 64 patients

X-ray of lower and sacral spine, 2-3 views

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

This service was performed 77 times for 54 patients

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

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.

This service was performed 44 times for 33 patients

X-ray of upper spine, 2-3 views

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

This service was performed 18 times for 14 patients

X-ray of upper spine, 4-5 views

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.

This service was performed 15 times for 14 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $32.74 for a new patient copayment and $17.82 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 98502 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $130.99
  • Minimum New Patient Price $57.27
  • Maximum New Patient Price $172.8
  • Average New Patient Copayment $32.74
  • Minimum New Patient Copayment $14.31
  • Maximum New Patient Copayment $43.2

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $71.29
  • Minimum Established Patient Price $18.56
  • Maximum Established Patient Price $141.11
  • Average Established Patient Copayment $17.82
  • Minimum Established Patient Copayment $4.64
  • Maximum Established Patient Copayment $35.27

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Christine Hammer is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
PROVIDENCE ST PETER HOSPITAL413 LILLY ROAD NE
OLYMPIA, WA 98506
(360) 491-9480Acute Care Hospitals
GRAYS HARBOR COMMUNITY HOSPITAL915 ANDERSON DRIVE
ABERDEEN, WA 98520
(360) 532-8330Acute Care Hospitals
CAPITAL MEDICAL CENTER3900 CAPITAL MALL DR SW
OLYMPIA, WA 98502
(360) 754-5858Acute Care Hospitals
SUMMIT PACIFIC MEDICAL CENTER600 EAST MAIN STREET
ELMA, WA 98541
(360) 346-2222Critical Access Hospitals
MASON GENERAL HOSPITAL & FAMILY OF CLINICS901 MT VIEW DRIVE
SHELTON, WA 98584
(360) 426-1611Critical Access Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1821389255, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 3 → 6 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 4 + 1 + 6 + 8 + 1 + 8 + 2 + 1 + 0 + 24 = 65

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1821389255.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Durable Medical Equipment & Medical Supplies
3909 9TH AVE SW
OLYMPIA, WA 98502
Neurological Surgery
3909 9TH AVE SW
OLYMPIA, WA 98502
Physical Medicine & Rehabilitation (Pain Medicine)
3909 9TH AVE SW
OLYMPIA, WA 98502
Physician Assistant
3909 9TH AVE SW
OLYMPIA, WA 98502
Physician Assistant (Medical)
3909 9TH AVE SW
OLYMPIA, WA 98502
Physician Assistant (Medical)
3909 9TH AVE SW
OLYMPIA, WA 98502
Physical Medicine & Rehabilitation
3909 9TH AVE SW
OLYMPIA, WA 98502
Physician Assistant
3909 9TH AVE SW
OLYMPIA, WA 98502
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3909 9TH AVE SW
OLYMPIA, WA 98502
Anesthesiology (Pain Medicine)
3909 9TH AVE SW
OLYMPIA, WA 98502
Pain Medicine (Interventional Pain Medicine)
3909 9TH AVE SW
OLYMPIA, WA 98502
Orthopaedic Surgery
3909 9TH AVE SW
OLYMPIA, WA 98502
Neurological Surgery
3909 9TH AVE SW
OLYMPIA, WA 98502
Nurse Practitioner (Acute Care)
3909 9TH AVE SW
OLYMPIA, WA 98502
Physician Assistant (Surgical)
3909 9TH AVE SW
OLYMPIA, WA 98502
Physician Assistant
3909 9TH AVE SW
OLYMPIA, WA 98502

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821389255, enumerated as an "individual" on April 19, 2011.

The provider is located at 3909 9TH AVE SW OLYMPIA, WA 98502 and the phone number is (360) 570-3462.

Neurological Surgery with taxonomy code 207T00000X.

The provider might be accepting Accepts: Premera Blue Cross Blue Shield of Alaska,. Please consult your insurance carrier or call the provider to verify.

Christine Hammer is affiliated with: PROVIDENCE ST PETER HOSPITAL, GRAYS HARBOR COMMUNITY HOSPITAL, CAPITAL MEDICAL CENTER, SUMMIT PACIFIC MEDICAL CENTER and MASON GENERAL HOSPITAL & FAMILY OF CLINICS.