JAMES A DAVISON MD
NPI 1104818996
Ophthalmology in Marshalltown, IA

NPI Status: Active since August 17, 2005

Contact Information

309 E CHURCH ST
MARSHALLTOWN, IA
ZIP 50158
Phone: (641) 754-6200
Fax: (641) 752-7420

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  • Individual
  • Male
  • Ophthalmology
  • Accepts Insurance

About JAMES DAVISON

This page provides the complete NPI Profile along with additional information for James Davison, a provider established in Marshalltown, Iowa with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1104818996 assigned on August 2005. The practitioner's primary taxonomy code is 207W00000X with license number 22087 (IA). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1104818996
Provider Name
JAMES A DAVISON MD
Gender
Male
Entity Type
Individual
Location Address
309 E CHURCH ST MARSHALLTOWN, IA 50158
Location Phone
(641) 754-6200
Location Fax
(641) 752-7420
Mailing Address
309 E CHURCH ST MARSHALLTOWN, IA 50158
Mailing Phone
(641) 754-6200
Mailing Fax
(641) 752-7420
Is Sole Proprietor?
No
Enumeration Date
08-17-2005
Last Update Date
05-12-2015
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Ophthalmologists like James Davison specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

Location Map

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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
22087
License State
IA
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Insurance Plans Accepted

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

  • Blue Max 70/50 $6700 with 2 $0 PCP Virtual Visits HSA Eligible - PPO
  • Blue Max 80/60 $1500 with 2 $0 PCP Virtual Visits - PPO
  • Blue Max Copay (PCP) 50/50 $3300 with 2 $0 PCP Virtual Visits - PPO
  • Blue Max Copay (PCP) 50/50 $7500 Standardized HSA Eligible - PPO
  • Blue Max Copay (PCP) 60/40 $6000 Standardized - PPO
  • Blue Max Copay (PCP) 75/55 $2000 Standardized - PPO
  • Blue Saver 60/40 $6100 - PPO
  • Blue Saver 90/70 $3400 - PPO
  • BlueSelect Bronze Basic - PPO
  • BlueSelect Bronze Core - PPO
  • BlueSelect Expanded Bronze Standard without Kid's Dental - PPO
  • BlueSelect Gold Core - PPO
  • BlueSelect Gold HealthPlus - PPO
  • BlueSelect Gold Standard without Kid's Dental - PPO
  • BlueSelect Silver Classic - PPO
  • BlueSelect Silver Classic without Kid's Dental - PPO
  • BlueSelect Silver HealthPlus - PPO
  • BlueSelect Silver HealthPlus without Kid's Dental - PPO
  • Inspire by Medica Bronze $0 Copay PCP Visits - EPO
  • Inspire by Medica Bronze Share - EPO
  • Inspire by Medica Expanded Bronze Standard - EPO
  • Inspire by Medica Gold $0 Copay PCP Visits - EPO
  • Inspire by Medica Gold Share - EPO
  • Inspire by Medica Gold Standard - EPO
  • Inspire by Medica Silver $0 Copay PCP Visits - EPO
  • Inspire by Medica Silver Share - EPO
  • Inspire by Medica Silver Standard - EPO
  • Medica Insure Bronze $0 Copay PCP Visits - EPO
  • Bronze Classic 4700 - EPO
  • Bronze Classic 4700 | MercyOne - EPO
  • Bronze Classic Standard - EPO
  • Bronze Classic Standard | MercyOne - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Bronze Elite + PCP Saver Plus | MercyOne - EPO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits | MercyOne - EPO
  • Bronze Simple Chronic Care CKM | MercyOne - EPO
  • Bronze Simple Diabetes | MercyOne - EPO
  • Gold Classic Standard - 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.

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.

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
17226MEDICARE PIN (08)IA 
A01603MEDICARE UPIN (02)IA 
39217OTHER (01)IAWELLMARK BLUE CROSS
180011426OTHER (01)IARAILROAD MEDICARE
0172262MEDICAID (05)IA 

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.

Cataract surgery

Cataract surgery is a procedure to remove the lens of your eye when it becomes cloudy, which is called a cataract. A synthetic lens is then inserted to restore clear vision. The operation is typically done on an outpatient basis and is very safe and effective.

This service was performed for 881 patients

Complex removal of cataract with insertion of prosthetic lens

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

This service was performed 172 times for 81 patients

Established patient complete exam of visual system

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

This service was performed 113 times for 110 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 22 times for 21 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 17 times for 17 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 81 times for 81 patients

Imaging of optic nerve

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

This service was performed 17 times for 17 patients

Imaging of retina

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

This service was performed 133 times for 133 patients

Measurement of corneal curvature and depth of eye

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

This service was performed 1,069 times for 379 patients

New patient complete exam of visual system

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

This service was performed 135 times for 135 patients

New patient office or other outpatient visit, 15-29 minutes

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

This service was performed 11 times for 11 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 185 times for 185 patients

Removal of cataract with insertion of prosthetic lens

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

This service was performed 1,366 times for 482 patients

Removal of cataract with insertion of prosthetic lens

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

This service was performed 29 times for 13 patients

Removal of recurring cataract in lens capsule using a laser

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

This service was performed 114 times for 112 patients

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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 1104818996, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
6
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 0 → 0 8 → 16 → 7 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 1 + 6 + 1 + 1 + 6 + 9 + 1 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1104818996.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Ophthalmology
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Eyewear Supplier
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Audiologist-Hearing Aid Fitter
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Audiologist-Hearing Aid Fitter
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Internal Medicine
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Internal Medicine
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Audiologist-Hearing Aid Fitter
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Optometrist
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Ophthalmology
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Audiologist
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Ophthalmology
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Ophthalmology
309 E CHURCH ST
MARSHALLTOWN, IA 50158
Optometrist
309 E CHURCH ST
MARSHALLTOWN, IA 50158

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104818996, enumerated as an "individual" on August 17, 2005.

The provider is located at 309 E CHURCH ST MARSHALLTOWN, IA 50158 and the phone number is (641) 754-6200.

Ophthalmology with taxonomy code 207W00000X.

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