DR. JOHN THOMAS CRITCHLOW M. D
NPI 1326108945
Specialist in Cape Girardeau, MO

NPI Status: Active since December 12, 2006

Contact Information

3065 WILLIAM ST
SUITE 105
CAPE GIRARDEAU, MO
ZIP 63703
Phone: (573) 651-1882
Fax: (573) 334-5302

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  • Individual
  • Male
  • Specialist

About JOHN CRITCHLOW

This page provides the complete NPI Profile along with additional information for John Critchlow, a provider established in Cape Girardeau, Missouri with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1326108945 assigned on December 2006. The practitioner's primary taxonomy code is 174400000X with license number R6605 (MO). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1326108945
Provider Name
DR. JOHN THOMAS CRITCHLOW M. D
Gender
Male
Entity Type
Individual
Location Address
3065 WILLIAM ST SUITE 105 CAPE GIRARDEAU, MO 63703
Location Phone
(573) 651-1882
Location Fax
(573) 334-5302
Mailing Address
3065 WILLIAM ST SUITE 105 CAPE GIRARDEAU, MO 63703
Mailing Phone
(573) 651-1882
Mailing Fax
(573) 334-5302
Is Sole Proprietor?
No
Enumeration Date
12-12-2006
Last Update Date
06-20-2012
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
R6605
License State
MO
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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
201100237MEDICAID (05)MO 
000015590MEDICARE PIN (08) 
A11191MEDICARE UPIN (02)MO 

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.

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 25 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 29 times for 27 patients

Injection of chemical agent into multiple incompetent veins of leg

This procedure involves injecting a special chemical into problematic veins in the leg. The chemical helps to close off these veins, rerouting blood through healthier veins. This can alleviate discomfort and improve the appearance of the treated area.

This service was performed 16 times for 11 patients

New patient office or other outpatient visit, 30-44 minutes

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 43 times for 42 patients

Ultrasonic guidance for needle placement

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

This service was performed 15 times for 11 patients

Ultrasound study of arm or leg veins with compression and maneuvers

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

This service was performed 34 times for 33 patients

Ultrasound study of one arm or leg veins with compression and maneuvers

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

This service was performed 67 times for 22 patients

Reviews for DR. JOHN THOMAS CRITCHLOW M. D

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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 1326108945, 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
3
Unchanged
Pos 3
2
Doubled → 4
Pos 4
6
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
4
Doubled → 8
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 1 → 2 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 4 + 6 + 2 + 0 + 1 + 6 + 9 + 8 + 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 1326108945.

Other Providers at the Same Location


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

Family Medicine
3065 WILLIAM ST, SUITE 209
CAPE GIRARDEAU, MO 63703
Ophthalmology
3065 WILLIAM ST, SUITE 207
CAPE GIRARDEAU, MO 63703
Home Health
3065 WILLIAM ST, SUITE 101
CAPE GIRARDEAU, MO 63703
Surgery (Vascular Surgery)
3065 WILLIAM ST, SUITE 105
CAPE GIRARDEAU, MO 63703
Social Worker (Clinical)
3065 WILLIAM ST, SUITE 209
CAPE GIRARDEAU, MO 63703
Nurse Practitioner (Family)
3065 WILLIAM ST, SUITE 209
CAPE GIRARDEAU, MO 63703
Radiology (Diagnostic Radiology)
3065 WILLIAM ST, SUITE 109
CAPE GIRARDEAU, MO 63703
Durable Medical Equipment & Medical Supplies
3065 WILLIAM ST, SPACE 207
CAPE GIRARDEAU, MO 63703
Specialist
3065 WILLIAM ST, STE 207
CAPE GIRARDEAU, MO 63703
General Practice
3065 WILLIAM ST, SUITE 209
CAPE GIRARDEAU, MO 63703
Nurse Practitioner (Community Health)
3065 WILLIAM ST, SUITE 209
CAPE GIRARDEAU, MO 63703
General Practice
3065 WILLIAM ST, STE 211
CAPE GIRARDEAU, MO 63703
Clinic/Center
3065 WILLIAM ST, SUITE 209
CAPE GIRARDEAU, MO 63703

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326108945, enumerated as an "individual" on December 12, 2006.

The provider is located at 3065 WILLIAM ST SUITE 105 CAPE GIRARDEAU, MO 63703 and the phone number is (573) 651-1882.

Specialist with taxonomy code 174400000X.

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