DR. STEPHEN C MESSER PH.D.
NPI 1194132878
Psychologist - Health Service in Chapel Hill, NC

NPI Status: Active since July 15, 2014

Contact Information

102 MARKET ST STE 102
CHAPEL HILL, NC
ZIP 27516
Phone: (919) 960-1034

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  • Individual
  • Male
  • Psychologist
  • Health Service
  • PECOS Enrolled
  • Opted-Out Medicare

About STEPHEN MESSER

This page provides the complete NPI Profile along with additional information for Stephen Messer, a provider established in Chapel Hill, North Carolina with a medical specialization in Psychologist, focusing in health service . The healthcare provider is registered in the NPI registry with number 1194132878 assigned on July 2014. The practitioner's primary taxonomy code is 103TH0100X with license number 5672 (NC). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1194132878
Provider Name
DR. STEPHEN C MESSER PH.D.
Other Name
STEPHEN CRAIG MESSER PHD
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
102 MARKET ST STE 102 CHAPEL HILL, NC 27516
Location Phone
(919) 960-1034
Mailing Address
102 MARKET ST STE 102 CHAPEL HILL, NC 27516
Mailing Phone
(919) 960-1034
Is Sole Proprietor?
No
Enumeration Date
07-15-2014
Last Update Date
10-31-2022
Code Navigator



The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Stephen Messer opted out of Medicare effective on 02-18-2020 until 02-18-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare but is permitted to order and refer services to other healthcare providers.

Location Map

Secondary Locations

  • 302 Copperline Dr Apt D
    Chapel Hill, NC 27516
    (301) 437-6120

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 Health Service

Taxonomy Code
103TH0100X
Type
Behavioral Health & Social Service Providers
License No.
5672
License State
NC
Taxonomy Description
A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

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)
1103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

1681 (HI)

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
5672OTHER (01)NCNC BOARD OF PSYCHOLOGY

Medicare Participation & PECOS Enrollment Status

Stephen 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

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 02-18-2020

  • Opt-Out End Date: 02-18-2026

  • Eligible to Order and Refer? 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

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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 1194132878, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
4
Unchanged
Pos 5
1
Doubled → 2
Pos 6
3
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
8
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 9 → 18 → 9 1 → 2 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 2 + 3 + 4 + 8 + 1 + 4 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1194132878.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Counselor (Professional)
102 MARKET ST STE 102
CHAPEL HILL, NC 27516
Psychologist
102 MARKET ST STE 102
CHAPEL HILL, NC 27516

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194132878, enumerated as an "individual" on July 15, 2014.

The provider is located at 102 MARKET ST STE 102 CHAPEL HILL, NC 27516 and the phone number is (919) 960-1034.

Psychologist with taxonomy code 103TH0100X and a focus in Health Service.

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