ALEXANDER MACDONALD LLP
NPI 1720218324
Psychologist - Clinical in Okemos, MI
NPI Status: Active since July 17, 2009
Contact Information
2220 UNIVERSITY PARK DR
OKEMOS, MI
ZIP 48864
Phone: (517) 347-4848
Fax: (517) 347-4844
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Psychologist
- Clinical
About ALEXANDER MACDONALD
This page provides the complete NPI Profile along with additional information for Alexander Macdonald, a provider established in Okemos, Michigan with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1720218324 assigned on July 2009. The practitioner's primary taxonomy code is 103TC0700X with license number 6301011924 (MI). The provider is registered as an individual and his NPI record was last updated August 2025.
- NPI
- 1720218324
- Provider Name
- ALEXANDER MACDONALD LLP
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2220 UNIVERSITY PARK DR OKEMOS, MI 48864
- Location Phone
- (517) 347-4848
- Location Fax
- (517) 347-4844
- Mailing Address
- PO BOX 10 MASON, MI 48854
- Mailing Phone
- (517) 676-9788
- Mailing Fax
- (517) 347-4844
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 07-17-2009
- Last Update Date
- 08-03-2025
- Code Navigator
A clinical psychologist like Alexander Macdonald assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.
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
Psychologist Clinical
- Taxonomy Code
- 103TC0700X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 6301011924
- License State
- MI
- Taxonomy Description
- A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
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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 | 7 | 2 | 0 | 2 | 1 | 8 | 3 | 2 | 4 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 7 | 4 | 0 | 4 | 1 | 16 | 3 | 4 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 7 + 4 + 0 + 4 + 1 + 1 + 6 + 3 + 4 + 24 = 56 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 56 = 4 | 4 | ||||||||
The NPI number 1720218324 is valid because the calculated check digit 4 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 4 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1215037999 | PSYCHIATRIC ASSOCIATES OF INGHAM Organization | Psychiatry & Neurology (Psychiatry) | 2220 UNIVERSITY PARK DR OKEMOS, MI 48864 (517) 347-4848 |
| 1750481438 | ELIZABETH B COX MD Individual | Psychiatry & Neurology (Psychiatry) | 2220 UNIVERSITY PARK DR OKEMOS, MI 48864 (517) 347-4848 |
| 1659471332 | THOMAS E HRANILOVICH PHD Individual | Psychologist | 2220 UNIVERSITY PARK DR OKEMOS, MI 48864 (517) 347-4848 |
| 1457628695 | MICHALOWSKI & WHITEHEAD LLC Organization | Psychiatry & Neurology (Psychiatry) | 2220 UNIVERSITY PARK DR OKEMOS, MI 48864 (517) 347-4848 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720218324, enumerated in the NPI registry as an "individual" on July 17, 2009
The provider is located at 2220 University Park Dr Okemos, Mi 48864 and the phone number is (517) 347-4848
The provider's speciality is Psychologist with taxonomy code 103TC0700X with a focus in Clinical
This NPI record was last updated on July 17, 2009. 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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