JOHN T MCMILLAN JR. LPC
NPI 1366117939
Counselor - Mental Health in Oxford, MS
NPI Status: Active since August 15, 2021
- Individual
- Male
- Counselor
- Mental Health
- PECOS Enrolled
- Opted-Out Medicare
About JOHN MCMILLAN
This page provides the complete NPI Profile along with additional information for John Mcmillan, a provider established in Oxford, Mississippi with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1366117939 assigned on August 2021. The practitioner's primary taxonomy code is 101YM0800X with license number 2438 (MS). The provider is registered as an individual and his NPI record was last updated 4 years ago.
- NPI
- 1366117939
- Provider Name
- JOHN T MCMILLAN JR. LPC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1816 ATLANTA AVE OXFORD, MS 38655
- Location Phone
- (662) 801-2355
- Mailing Address
- 1816 ATLANTA AVE OXFORD, MS 38655
- Mailing Phone
- (662) 801-2355
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 08-15-2021
- Last Update Date
- 08-15-2021
- Code Navigator
A mental health counselor like John Mcmillan provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.
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. John Mcmillan opted out of Medicare effective on 03-20-2025 until 03-20-2027. 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
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
Counselor Mental Health
- Taxonomy Code
- 101YM0800X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 2438
- License State
- MS
Medicare Participation & PECOS Enrollment Status
John Mcmillan 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: 03-20-2025
Opt-Out End Date: 03-20-2027
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 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. | |||||||||
| 1 | 3 | 6 | 6 | 1 | 1 | 7 | 9 | 3 | 9 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 3 | 12 | 6 | 2 | 1 | 14 | 9 | 6 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 3 + 1 + 2 + 6 + 2 + 1 + 1 + 4 + 9 + 6 + 24 = 61 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 61 = 9 | 9 | ||||||||
The NPI number 1366117939 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1366117939, enumerated in the NPI registry as an "individual" on August 15, 2021
The provider is located at 1816 Atlanta Ave Oxford, Ms 38655 and the phone number is (662) 801-2355
The provider's speciality is Counselor with taxonomy code 101YM0800X with a focus in Mental Health
Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).
No, the provider signed an affidavit on March 20, 2025 to opt-out of the Medicare program. The provider is excluded from the Medicare program until March 20, 2027.
This NPI record was last updated on August 15, 2021. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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