DR. DARWIN MARTIN KOLLER M.D.
NPI 1568495638
Pediatrics - Pediatric Emergency Medicine in Springdale, AR

Q: What is the provider's specialty?

The provider's specialty is Pediatrics with taxonomy code 2080P0204X and a focus in Pediatric Emergency Medicine.

NPI Status: Active since July 09, 2006

Contact Information

2601 GENE GEORGE BLVD
SPRINGDALE, AR
ZIP 72762
Phone: (479) 725-6800
Fax: (479) 725-6582

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Table of Contents

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Insurance Plans Accepted
Medicare Participation & PECOS Status
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Years of Experience 22
Pediatrics
Pediatric Emergency Medicine
Accepts Insurance
Accepts Medicare Approved Payment
PECOS Enrolled

About DARWIN KOLLER

This page provides the complete NPI Profile along with additional information for Darwin Koller, a pediatrician established in Springdale, Arkansas with a medical specialization in Pediatrics, focusing in pediatric emergency medicine and more than 22 years of experience. The healthcare provider is registered in the NPI registry with number 1568495638 assigned on July 2006. The practitioner's primary taxonomy code is 2080P0204X with license number E-18596 (AR). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI: 1568495638
Provider Name: DR. DARWIN MARTIN KOLLER M.D.
Gender: Male
Entity Type: Individual
Location Address: 2601 GENE GEORGE BLVD SPRINGDALE, AR 72762
Location Phone: (479) 725-6800
Location Fax: (479) 725-6582
Mailing Address: 2601 GENE GEORGE BLVD SPRINGDALE, AR 72762
Mailing Phone: (479) 725-6800
Mailing Fax: (479) 725-6582
Medical School Name: OTHER
Graduation Year: 2005
Is Sole Proprietor?: No
Enumeration Date: 07-09-2006
Last Update Date: 05-06-2026
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A pediatrician like Darwin Koller is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

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: Pediatrics Pediatric Emergency Medicine
Taxonomy Code: 2080P0204X
Type: Allopathic & Osteopathic Physicians
License No.: E-18596
License State: AR
Taxonomy Description: A pediatrician who has special qualifications to manage emergencies in infants and children.

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)
1	207P00000X	Allopathic & Osteopathic Physicians	Emergency Medicine	39891 (TN)
2	208000000X	Allopathic & Osteopathic Physicians	Pediatrics	MD39891 (TN)

Insurance Plans Accepted

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

Arkansas Blue Cross and Blue Shield

Bronze Exp Standardized - PPO
Bronze Value - PPO
Catastrophic HSA - PPO
Gold Standardized - PPO
Gold Value - PPO
Silver AH - PPO
Silver Standardized - PPO
Dental Gold - PPO
Dental Gold Plus Vision - PPO
Dental Pediatric - PPO
Dental Platinum - PPO
Dental Platinum Plus Vision - PPO
Dental Platinum Premium - PPO
Dental Platinum Premium Plus Vision - PPO
Dental Silver - PPO

AvMed

AvMed Entrust Bronze 600 (2026) - HMO
AvMed Entrust Bronze 650 (2026) - HMO
AvMed Entrust Expanded Bronze Standard (2026) - HMO
AvMed Entrust Gold 125 (2026) - HMO
AvMed Entrust Gold 125 Dental+Vision (2026) - HMO
AvMed Entrust Gold Standard (2026) - HMO
AvMed Entrust Platinum 25 (2026) - HMO
AvMed Entrust Platinum 25 Dental+Vision (2026) - HMO
AvMed Entrust Platinum Standard (2026) - HMO
AvMed Entrust Silver 350 (2026) - HMO
AvMed Entrust Silver 350 Dental+Vision (2026) - HMO
AvMed Entrust Silver 550 (2026) - HMO
AvMed Entrust Silver 550 Dental+Vision (2026) - HMO
AvMed Entrust Silver Standard (2026) - HMO

CareSource

Bronze 7500 $25 Generic Drugs - HMO
Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness - HMO
Diabetes Gold 3000 $0 Chronic Care Drugs & Services - HMO
Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
Diabetes Silver 5000 $0 Chronic Care Drugs & Services - HMO
Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
Gold 2000 $15 Generic Drugs - HMO
Gold 2000 $15 Generic Drugs + Adult Vision & Fitness - HMO
HDHP Preventive Silver 5500 $0 Chronic Care Drugs - HMO
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services - HMO
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services - HMO
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
HSA Eligible Bronze 6000 - HMO
Low Premium Bronze 10600 $25 Generic Drugs - HMO
Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness - HMO
Low Premium Silver 6200 $3 Generic Drugs - HMO
Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness - HMO
Platinum Zero $5 Generic Drugs - HMO
Platinum Zero $5 Generic Drugs + Adult Vision & Fitness - HMO

Health Advantage

HA Bronze Exp Standardized - POS
HA Bronze National - POS
HA Gold Premier National - POS
HA Gold Standardized - POS
HA Platinum Premier National - POS
HA Platinum Standardized - POS
HA Silver AH - POS
HA Silver Standardized - POS

HMO Louisiana

Blue POS 60/40 $6500 with 2 $0 PCP Virtual Visits HSA Eligible - POS
Blue POS 80/60 $3200 with 2 $0 PCP Virtual Visits - POS
Blue POS 90/70 $9900 with 2 $0 PCP Virtual Visits HSA Eligible - POS
Blue POS Copay (PCP) 50/50 $7500 Standardized HSA Eligible - POS
Blue POS Copay (PCP) 60/40 $6000 Standardized - POS
Blue POS Copay (PCP) 75/55 $2000 Standardized - POS
Blue POS Copay (PCP) 80/60 $1000 with 2 $0 PCP Virtual Visits - POS
Precision Blue 80/60 $3200 with 2 $0 PCP Virtual Visits (BR) - POS
Precision Blue 80/60 $3200 with 2 $0 PCP Virtual Visits (M) - POS
Precision Blue 90/70 $9900 with 2 $0 PCP Virtual Visits (M) HSA Eligible - POS
Precision Blue Copay (PCP) 50/50 $7500 Standardized (BR) HSA Eligible - POS
Precision Blue Copay (PCP) 50/50 $7500 Standardized (M) HSA Eligible - POS
Precision Blue Copay (PCP) 60/40 $6000 Standardized (BR) - POS
Precision Blue Copay (PCP) 60/40 $6000 Standardized (M) - POS
Precision Blue Copay (PCP) 75/55 $2000 Standardized (BR) - POS
Precision Blue Copay (PCP) 75/55 $2000 Standardized (M) - POS
Signature Blue 80/60 $3200 with 2 $0 PCP Virtual Visits - POS
Signature Blue 90/70 $9900 with 2 $0 PCP Virtual Visits HSA Eligible - POS
Signature Blue Copay (PCP) 50/50 $7500 Standardized HSA Eligible - POS
Signature Blue Copay (PCP) 60/40 $6000 Standardized - POS

Molina Healthcare

Molina Gold Core 1640 - HMO
Molina Gold Core 1640 Plus with Adult Dental and Vision - HMO
Molina Gold Core 1640 Plus with Adult Vision - HMO
Molina Gold Saver 750 - HMO
Molina Gold Saver 750 Plus with Adult Dental and Vision - HMO
Molina Gold Saver 750 Plus with Adult Vision - HMO
Molina Gold Standard - HMO
Molina Silver Core - HMO
Molina Silver Core Plus with Adult Dental and Vision - HMO
Molina Silver Core Plus with Adult Vision - HMO
Molina Silver Saver with Four Free PCP Visits - HMO
Molina Silver Standard - HMO

Octave

Octave Bronze Exp Standardized - POS
Octave Bronze Value - POS
Octave Gold Classic National - POS
Octave Gold Standardized - POS
Octave Silver AH - POS
Octave Silver Standardized - POS

Oscar Health Maintenance Organization of Florida

Bronze Classic 4700 - HMO
Bronze Classic 4700 | with AdventHealth - HMO
Bronze Classic Standard - HMO
Bronze Classic Standard | with AdventHealth - HMO
Bronze Elite + PCP Saver Plus - HMO
Bronze Elite + PCP Saver Plus | with AdventHealth - HMO
Bronze Simple Breathe Easy with Enhanced COPD Benefits - HMO
Bronze Simple Chronic Care CKM - HMO
Bronze Simple Diabetes - HMO
Gold Classic Standard - HMO
Gold Classic Standard | with AdventHealth - HMO
Gold Elite Saver Plus | with AdventHealth - HMO
Gold Simple - HMO
Gold Simple | with AdventHealth - HMO
Silver Classic Standard - HMO
Silver Classic Standard | with AdventHealth - HMO
Silver Elite - HMO
Silver Elite | with AdventHealth - HMO
Silver Simple Breathe Easy with Enhanced COPD Benefits - HMO
Silver Simple Chronic Care CKM - HMO

Oscar Insurance Company

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 - EPO
Bronze Simple Breathe Easy with Enhanced COPD Benefits - EPO
Bronze Simple Breathe Easy with Enhanced COPD Benefits | MercyOne - EPO
Bronze Simple Chronic Care CKM - EPO
Bronze Simple Chronic Care CKM | MercyOne - EPO
Bronze Simple Diabetes - EPO
Bronze Simple Diabetes | MercyOne - EPO
Gold Classic Standard - EPO
Gold Classic Standard | MercyOne - EPO
Gold Elite - EPO
Gold Elite | MercyOne - EPO
Secure - EPO
Secure | MercyOne - EPO
Silver Classic - EPO

Medicare

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Medicaid

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Blue Cross Blue Shield

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
3333990	MEDICAID (05)	TN
985815633A	MEDICAID (05)	GA
009910791	MEDICAID (05)	AL
009932922	MEDICAID (05)	AL
4110137	OTHER (01)	TN	BLUE CROSS

Medicare Participation & PECOS Enrollment Status

Darwin Koller is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Darwin Koller is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

Is the provider registered in PECOS? Yes
PECOS PAC ID: 3173557279
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.
PECOS Enrollment ID: I20190529002285
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.
Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes

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 1568495638, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 12 → 1 + 2

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 6

Check

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 6 → 12 → 3 4 → 8 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 2 + 8 + 8 + 9 + 1 + 0 + 6 + 6 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8

This NPI is valid

The calculated check digit is 8, which matches the last digit of 1568495638.