JOHN RAYMOND MAY PHD
NPI 1861488322
Counselor - Mental Health in Columbia, MD

NPI Status: Active since September 21, 2005

Contact Information

10774 HICKORY RIDGE RD
COLUMBIA, MD
ZIP 21044
Phone: (410) 992-7288
Fax: (410) 997-2880

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  • Individual
  • Male
  • Counselor
  • Mental Health

About JOHN MAY

This page provides the complete NPI Profile along with additional information for John May, a provider established in Columbia, Maryland with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1861488322 assigned on September 2005. The practitioner's primary taxonomy code is 101YM0800X with license number 508 (MD). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1861488322
Provider Name
JOHN RAYMOND MAY PHD
Gender
Male
Entity Type
Individual
Location Address
10774 HICKORY RIDGE RD COLUMBIA, MD 21044
Location Phone
(410) 992-7288
Location Fax
(410) 997-2880
Mailing Address
10774 HICKORY RIDGE RD COLUMBIA, MD 21044
Mailing Phone
(410) 992-7288
Mailing Fax
(410) 997-2880
Is Sole Proprietor?
Yes
Enumeration Date
09-21-2005
Last Update Date
09-11-2025
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A mental health counselor like John May 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.

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.
508
License State
MD

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)
1103TC1900XBehavioral Health & Social Service Providers

Psychologist
Counseling

508 (MD)

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.

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.

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
7503017 PPOOTHER (01)AUSHC AETNA
26765OTHER (01)JOHN HOPKINS USFHP EHP
341100 01OTHER (01)CAREFIRST BLUE CROSS MD
28670003OTHER (01)CAREFIRST BLUE CROSS DC
31493OTHER (01)ALLIANCE
45981OTHER (01)CIGNA PPO
PAROTHER (01)CHOICE CARE
097362OTHER (01)HMC
967098OTHER (01)FIRST HEALTH NETWORK PPO
1992OTHER (01)APS (INCLUDES MOTOROLA)
KAIREROTHER (01)207991
165351OTHER (01)COMPSYCHE MANAGED HEALTH
45981PAROTHER (01)CIGNA BEHAVIORAL HEALTH

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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 1861488322, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
2
Doubled → 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 6 → 12 → 3 4 → 8 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 8 + 8 + 1 + 6 + 3 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1861488322.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Social Worker (Clinical)
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044
Psychologist (Clinical)
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044
Counselor (Professional)
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044
Counselor (Professional)
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044
Counselor (Mental Health)
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044
Psychiatry & Neurology (Child & Adolescent Psychiatry)
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044
Counselor (Mental Health)
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044
Respite Care
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044
Social Worker
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044
Counselor (Mental Health)
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044
Social Worker (Clinical)
10774 HICKORY RIDGE RD
COLUMBIA, MD 21044

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861488322, enumerated as an "individual" on September 21, 2005.

The provider is located at 10774 HICKORY RIDGE RD COLUMBIA, MD 21044 and the phone number is (410) 992-7288.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.

The provider might be accepting Accepts: Aetna, Medicare, Medicaid, Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.