DR. CHRISTOPHER ARTHUR ROY WALKER M.D.
NPI 1013932011
Obstetrics & Gynecology in Orlando, FL

NPI Status: Active since July 12, 2006

Contact Information

801 N ORANGE AVE STE 710
ORLANDO, FL
ZIP 32801
Phone: (407) 333-0496
Fax: (407) 480-5118

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  • Individual
  • Male
  • Obstetrics & Gynecology
  • Medicare Quality Reporting

About CHRISTOPHER WALKER

This page provides the complete NPI Profile along with additional information for Christopher Walker, a women's health care provider established in Orlando, Florida with a medical specialization in Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1013932011 assigned on July 2006. The practitioner's primary taxonomy code is 207V00000X with license number ME 86897 (FL). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1013932011
Provider Name
DR. CHRISTOPHER ARTHUR ROY WALKER M.D.
Gender
Male
Entity Type
Individual
Location Address
801 N ORANGE AVE STE 710 ORLANDO, FL 32801
Location Phone
(407) 333-0496
Location Fax
(407) 480-5118
Mailing Address
235 E PRINCETON ST SUITE 200 ORLANDO, FL 32804
Mailing Phone
(407) 303-1444
Mailing Fax
(407) 480-5118
Is Sole Proprietor?
Yes
Enumeration Date
07-12-2006
Last Update Date
05-20-2020
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Women's health care providers like Christopher Walker treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.

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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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License No.
ME 86897
License State
FL
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Insurance Plans Accepted

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

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
267453000MEDICAID (05)FL 

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.

Assessment of muscle signal of pelvic nerves

This procedure evaluates the communication between your nerves and muscles in the lower body region. It involves monitoring the electrical signals in your muscles to ensure they're responding correctly to nerve signals. It's useful for identifying potential nerve or muscle issues.

This service was performed 21 times for 20 patients

Automated urinalysis test

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

This service was performed 82 times for 49 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

This service was performed 15 times for 15 patients

Complete ultrasound scan of pelvis

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

This service was performed 39 times for 33 patients

Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies

This procedure helps to measure the pressure inside your bladder while passing fluid. It checks how well your bladder and the tube that carries fluid from your bladder are working. It's important for diagnosing issues with fluid flow and storage.

This service was performed 13 times for 13 patients

Detection test by nucleic acid for organism, amplified probe technique

A nucleic acid detection test is a procedure to identify specific organisms in your body. This test uses an amplified probe technique, which magnifies the genetic material of the organism, making it easier to detect. It's a precise way to diagnose infections.

This service was performed 325 times for 20 patients

Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique

A detection test for Staphylococcus aureus uses a method called the amplified probe technique. This method identifies the bacteria's unique genetic material, or nucleic acid, helping to confirm its presence. It's a highly accurate way to detect this type of bacteria.

This service was performed 25 times for 20 patients

Detection test by nucleic acid for staphylococcus aureus, methicillin resistant (mrsa bacteria), amplified probe technique

A detection test by nucleic acid for MRSA bacteria uses an amplified probe technique. It's a lab procedure that identifies the presence of MRSA, a type of bacteria resistant to many antibiotics. This test helps in deciding the best treatment.

This service was performed 25 times for 20 patients

Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique

This test detects Group A Streptococcus bacteria in your body. It uses an amplified probe technique, which amplifies the bacteria's nucleic acid, making it easier to identify. This test helps diagnose conditions like strep throat or scarlet fever.

This service was performed 25 times for 20 patients

Detection test by nucleic acid for strep (streptococcus, group b), amplified probe technique

A detection test by nucleic acid for Group B Strep uses an amplified probe technique. This test identifies the presence of Group B Strep bacteria in the body. It involves collecting a sample, usually a swab, which is then examined in a lab for the bacteria's genetic material.

This service was performed 25 times for 20 patients

Detection test by nucleic acid for vancomycin resistance strep (vre), amplified probe technique

The detection test by nucleic acid for vancomycin-resistant strep (VRE) is a laboratory procedure. It uses an amplified probe technique to identify specific genetic material in bacteria. This helps determine if the bacteria are resistant to the antibiotic vancomycin.

This service was performed 25 times for 20 patients

Diagnostic exam of bladder and urethra using an endoscope

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

This service was performed 27 times for 26 patients

Electronic assessment of bladder emptying

Electronic assessment of bladder emptying is a non-invasive test that measures how well your bladder functions. It uses ultrasound technology to create images of your bladder before and after you use the restroom, helping to identify any issues with bladder emptying.

This service was performed 13 times for 13 patients

Established patient office or other outpatient visit, 10-19 minutes

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 27 times for 24 patients

Established patient office or other outpatient visit, 20-29 minutes

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 391 times for 117 patients

Established patient office or other outpatient visit, 30-39 minutes

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 107 times for 63 patients

Insertion of device into abdomen with pressure and urine flow rate study

This procedure involves placing a small device into your abdomen to monitor pressure and urine flow rates. It helps in understanding how well your body is processing and eliminating liquid waste. It's a safe procedure, typically performed under local anesthesia.

This service was performed 13 times for 13 patients

Limited ultrasound scan behind abdominal cavity

A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.

This service was performed 25 times for 23 patients

New patient office or other outpatient visit, 45-59 minutes

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 32 times for 32 patients

Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings

This procedure involves the use of non-invasive devices to record the electrical activity of muscles at specific body openings. It's helpful in understanding muscle function and can assist in diagnosing certain conditions.

This service was performed 17 times for 16 patients

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory

A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.

This service was performed 12 times for 12 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

This service was performed 40 times for 34 patients

MIPS Quality Measures

The following performance measures were reported under the Merit-Based Incentive Payment System (MIPS) and Qualified Clinical Data Registry (QCDR) quality measures program.

Quality Measure Performance Number of Patients
Cervical Cancer Screening 44% 165
Closing the Referral Loop: Receipt of Specialist Report 4% 26
Colorectal Cancer Screening 5% 191
Documentation of Current Medications in the Medical Record 18% 707
HIV Screening 1% 218
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan 30% 296
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented 16% 691
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention 0% 227
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention 0% 227
Use of High-Risk Medications in Older Adults 0% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
116
Use of High-Risk Medications in Older Adults 9% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
116
Use of High-Risk Medications in Older Adults 9% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
116

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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 1013932011, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 2 + 3 + 1 + 8 + 3 + 4 + 0 + 2 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1013932011.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Nurse Practitioner (Obstetrics & Gynecology)
801 N ORANGE AVE STE 710
ORLANDO, FL 32801
Clinic/Center (Medical Specialty)
801 N ORANGE AVE STE 710
ORLANDO, FL 32801
Family Medicine
801 N ORANGE AVE STE 710
ORLANDO, FL 32801
Nurse Practitioner (Family)
801 N ORANGE AVE STE 710
ORLANDO, FL 32801
Nurse Practitioner
801 N ORANGE AVE STE 710
ORLANDO, FL 32801
Clinic/Center (Pain)
801 N ORANGE AVE STE 710
ORLANDO, FL 32801
Clinic/Center (Ambulatory Surgical)
801 N ORANGE AVE STE 710
ORLANDO, FL 32801

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1013932011, enumerated as an "individual" on July 12, 2006.

The provider is located at 801 N ORANGE AVE STE 710 ORLANDO, FL 32801 and the phone number is (407) 333-0496.

Obstetrics & Gynecology with taxonomy code 207V00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.