DR. CHRIS ALAN KNOBBE M.D.
NPI 1851382220
Ophthalmology in Durant, OK

NPI Status: Active since November 03, 2005

Contact Information

1400 BRYAN DR
SUITE 202
DURANT, OK
ZIP 74701
Phone: (580) 931-2247
Fax: (580) 931-2249

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  • Individual
  • Male
  • Ophthalmology

About CHRIS KNOBBE

This page provides the complete NPI Profile along with additional information for Chris Knobbe, a provider established in Durant, Oklahoma with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1851382220 assigned on November 2005. The practitioner's primary taxonomy code is 207W00000X with license number 20422 (OK). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1851382220
Provider Name
DR. CHRIS ALAN KNOBBE M.D.
Gender
Male
Entity Type
Individual
Location Address
1400 BRYAN DR SUITE 202 DURANT, OK 74701
Location Phone
(580) 931-2247
Location Fax
(580) 931-2249
Mailing Address
1400 BRYAN DR SUITE 202 DURANT, OK 74701
Mailing Phone
(580) 931-2247
Mailing Fax
(580) 931-2249
Is Sole Proprietor?
No
Enumeration Date
11-03-2005
Last Update Date
04-12-2011
Code Navigator

Ophthalmologists like Chris Knobbe 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.
20422
License State
OK
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207W00000XAllopathic & Osteopathic Physicians

Ophthalmology

K0871 (TX)

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.

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
G07009MEDICARE UPIN (02)TX 
P00155626MEDICARE ID-TYPE UNSPECIFIED (04)TXPALMETTO INDIVIDUAL #
5044251OTHER (01)TXAETNA REFERRAL #
00114XMEDICARE ID-TYPE UNSPECIFIED (04)TXTX MEDICARE GROUP #
8R1770OTHER (01)TXBCBS INDIVIDUAL #
175548001MEDICAID (05)TX 
4107009OTHER (01)TXBLUE LINK #
100203920AMEDICAID (05)OK 
0047MAOTHER (01)TXBCBS GROUP #
244508301MEDICARE ID-TYPE UNSPECIFIED (04)OKOK MEDICARE INDIVIDUAL #
331087115OTHER (01)TXFEDERAL ID #
DC2255MEDICARE ID-TYPE UNSPECIFIED (04)TXPALMETTO GROUP #
030659905MEDICAID (05)TX 
8C1125MEDICARE ID-TYPE UNSPECIFIED (04)TXTX MEDICARE INDIVIDUAL #
400522430MEDICARE ID-TYPE UNSPECIFIED (04)OKOK MEDICARE GROUP #

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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 1851382220, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 6 + 8 + 4 + 2 + 4 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1851382220.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Clinic/Center (Ambulatory Surgical)
1400 BRYAN DR
DURANT, OK 74701
Obstetrics & Gynecology
1400 BRYAN DR
DURANT, OK 74701
Obstetrics & Gynecology
1400 BRYAN DR
DURANT, OK 74701
Optometrist
1400 BRYAN DR, SUITE 303
DURANT, OK 74701
Clinic/Center
1400 BRYAN DR, SUITE 211
DURANT, OK 74701
Family Medicine
1400 BRYAN DR, SUITE 300
DURANT, OK 74701
Obstetrics & Gynecology
1400 BRYAN DR, SUITE 202
DURANT, OK 74701
Obstetrics & Gynecology
1400 BRYAN DR, 200
DURANT, OK 74701
Clinic/Center (Rural Health)
1400 BRYAN DR, #300
DURANT, OK 74701
Internal Medicine
1400 BRYAN DR, SUITE 301
DURANT, OK 74701
Surgery
1400 BRYAN DR, SUITE 203
DURANT, OK 74701
Urology
1400 BRYAN DR, SUITE 303
DURANT, OK 74701
Orthopaedic Surgery
1400 BRYAN DR, SUITE 304
DURANT, OK 74701
Obstetrics & Gynecology
1400 BRYAN DR, SUITE 200
DURANT, OK 74701
Pediatrics
1400 BRYAN DR, SUITE 201
DURANT, OK 74701
Ophthalmology
1400 BRYAN DR, SUITE 202
DURANT, OK 74701
Obstetrics & Gynecology
1400 BRYAN DR, SUITE 301
DURANT, OK 74701
Internal Medicine
1400 BRYAN DR, SUITE 205
DURANT, OK 74701
Home Health
1400 BRYAN DR, STE 211
DURANT, OK 74701
Anesthesiology (Pain Medicine)
1400 BRYAN DR, STE 306
DURANT, OK 74701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851382220, enumerated as an "individual" on November 03, 2005.

The provider is located at 1400 BRYAN DR SUITE 202 DURANT, OK 74701 and the phone number is (580) 931-2247.

Ophthalmology with taxonomy code 207W00000X.

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