DR. DAVID ELIAS MESSER PHD
NPI 1982103172
Psychologist - Counseling in Mesa, AZ

NPI Status: Active since February 02, 2018

Contact Information

1845 W. DOBSON RD.
STE 207
MESA, AZ
ZIP 85202
Phone: (480) 744-6483

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  • Individual
  • Male
  • Psychologist
  • Counseling
  • Accepts Insurance
  • PECOS Enrolled

About DAVID MESSER

This page provides the complete NPI Profile along with additional information for David Messer, a provider established in Mesa, Arizona with a medical specialization in Psychologist, focusing in counseling . The healthcare provider is registered in the NPI registry with number 1982103172 assigned on February 2018. The practitioner's primary taxonomy code is 103TC1900X with license number 4933 (AZ). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1982103172
Provider Name
DR. DAVID ELIAS MESSER PHD
Gender
Male
Entity Type
Individual
Location Address
1845 W. DOBSON RD. STE 207 MESA, AZ 85202
Location Phone
(480) 744-6483
Mailing Address
1845 S DOBSON RD STE 207 MESA, AZ 85202
Mailing Phone
(480) 744-6483
Is Sole Proprietor?
Yes
Enumeration Date
02-02-2018
Last Update Date
06-19-2025
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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

Psychologist Counseling

Taxonomy Code
103TC1900X
Type
Behavioral Health & Social Service Providers
License No.
4933
License State
AZ
Taxonomy Description
A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.

Insurance Plans Accepted

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

  • Bronze Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx - HMO
  • Bronze Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx - HMO
  • Bronze Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx - HMO
  • Bronze Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx - HMO
  • Bronze Standard - HMO
  • Catastrophic Standard - HMO
  • Gold Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx - HMO
  • Gold Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx - HMO
  • Gold Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx - HMO
  • Gold Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx - HMO
  • Gold Standard - HMO
  • Silver Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx - HMO
  • Silver Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx - HMO
  • Silver Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx - HMO
  • Silver Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx - HMO
  • Silver Standard - HMO
  • AZ Blue ACA StandardHealth Silver with Health Choice - HMO
  • AZ Blue AdvanceHealth Bronze Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Bronze Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Gold Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Gold Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Silver Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Silver Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue EverydayHealth Gold Focus (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Gold Neighborhood (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Prosano Gold ($0 Prosano Health Visits) - HMO
  • AZ Blue EverydayHealth Prosano Silver ($0 Prosano Health Visits) - HMO
  • AZ Blue EverydayHealth Silver Focus (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Silver Neighborhood (1 Free PCP Visit) - HMO
  • AZ Blue Portfolio Bronze HSA Focus - HMO
  • AZ Blue Portfolio Bronze HSA Neighborhood - HMO
  • AZ Blue StandardHealth Bronze Focus - HMO
  • AZ Blue StandardHealth Bronze Neighborhood - HMO
  • AZ Blue StandardHealth Gold Focus - HMO
  • AZ Blue StandardHealth Gold Neighborhood - HMO
  • AZ Blue StandardHealth Silver Focus - HMO
  • Imperial Preferred Gold - HMO
  • Imperial Preferred Silver - HMO
  • Imperial Standard Bronze - HMO
  • Imperial Standard Gold - HMO
  • Imperial Standard Silver - HMO
  • Bronze Classic Standard - HMO
  • Bronze Elite + PCP Saver Plus - HMO
  • Bronze Simple - HMO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits - HMO
  • Bronze Simple Chronic Care CKM - HMO
  • Buena Salud Bronce Simple Para Diabetes - HMO
  • Gold Classic - HMO
  • Gold Classic Standard - HMO
  • Gold Simple - HMO
  • Gold Simple Diabetes - HMO
  • Silver Classic Standard - HMO
  • Silver Elite Saver Plus - HMO
  • Silver Simple Chronic Care CKM - HMO
  • Silver Simple Diabetes - HMO
  • Silver Simple PCP Saver - HMO
  • Silver Simple Specialist Saver with COPD - HMO
  • Silver Simple Women's Health with Menopause Benefits - HMO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) - HMO
  • UHC Bronze Essential ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Standard - HMO
  • UHC Bronze Standard+ (Dental + Vision) - HMO
  • UHC Gold Advantage ($0 Virtual Urgent Care, $3 Tier 2 Rx) - HMO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx) - HMO
  • UHC Gold Standard - HMO
  • UHC Silver Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
  • UHC Silver Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
  • UHC Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) - HMO
  • UHC Silver Standard - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

David Messer 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 and Durable Medical Equipment (DME).

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

  • 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): No

  • Eligible to Order or Refer Power Mobility Devices: No

Reviews for DR. DAVID ELIAS MESSER PHD

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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 1982103172, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 8 → 16 → 7 1 → 2 3 → 6 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 2 + 0 + 6 + 1 + 1 + 4 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1982103172.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982103172, enumerated as an "individual" on February 02, 2018.

The provider is located at 1845 W. DOBSON RD. STE 207 MESA, AZ 85202 and the phone number is (480) 744-6483.

Psychologist with taxonomy code 103TC1900X and a focus in Counseling.

The provider might be accepting Accepts: Antidote Health Plan of Arizona, Inc., Blue Cross. Please consult your insurance carrier or call the provider to verify.