BELTON DOUGLAS HALLMARK M.D.
NPI 1225018633
Family Medicine in Castle Rock,


Quality Rating: 100 out of 100 score

NPI Status: Active since January 20, 2006

Contact Information

1189 S Perry St Ste 230
Castle Rock,
Post Code: 80104
Phone: (303) 688-3434
Fax: (303) 688-4454

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Belton Douglas Hallmark M.d. in Castle Rock - Family Medicine

Belton Douglas Hallmark M.d. is a Family Medicine in Castle Rock, . Belton Douglas Hallmark M.d. practices all healthcare services and medical treatments related to Family Medicine. The NPI Number for Belton Douglas Hallmark M.d. is 1225018633. The last update date is 2023-07-11.

Belton Douglas Hallmark M.d.'s current location address is 1189 S Perry St Ste 230, Castle Rock, . You can contact this provider via phone number (303) 688-3434 and fax number (303) 688-4454. The mailing address for Belton Douglas Hallmark M.d. is 1189 S Perry St Ste 230, Castle Rock, . To know further, please read the information below!

About GREGORY MERRITT

NPI
1225018633
Provider Name
BELTON DOUGLAS HALLMARK M.D.
Gender
Male
Entity Type
Individual
Location Address
1189 S Perry St Ste 230, Castle Rock,
Location Phone
(303) 688-3434
Location Fax
(303) 688-4454
Mailing Address
Po Box 17837, Belfast, Maine(ME)
Mailing Phone
303-688-3434
Mailing Fax
303-688-4454
Enumeration Date
2006-01-20
Last Update Date
2023-07-11
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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

Family Medicine

Taxonomy Code
207Q00000X
Type
-
License No.
23157
License State
Colorado (CO)
Taxonomy Description
-

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
01231570 MEDICAID (05) Colorado (CO)
G0423 Other (non-Medicare) (01) Texas (TX) Texas License

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1225018633
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
2245011666
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. 2245011666
2 + 2 + 4 + 5 + 0 + 1 + 1 + 6 + 6 + 6 + 24 = 57
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
60 - 57 = 3 3

The NPI number 1225018633 is valid because the calculated check digit 3 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 5 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1023011046 WILLIAM R DOVE
Individual
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719-632-4812
1154324168 COLORADO PROFESSIONAL MEDICAL, INC
Organization
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COLORADO SPRINGS, Colorado (CO)
719-632-5075
1104829118 KENNETH BILLINGS ALLEN
Individual
Dentist, General Practice 1337 RIVERSIDE AVE
FORT COLLINS, Colorado (CO)
970-221-1658
1164425336 BIOSCRIP PHARMACY(NY), INC
BIOSCRIP INFUSION SERVICES
Organization
Home Health 1 VERMONT DR.
LAKE SUCCESS, New York (NY)
877-501-0108
1184627218 LARRY D KIEFT
Individual
Specialist 1136 E STUART ST
FORT COLLINS, Colorado (CO)
970-493-5904