Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. CRAIG T HARTRICK MD
NPI 1598749095
Anesthesiology - Pain Medicine in Royal Oak, MI

Active since November 30, 2005
3601 W 13 MILE RD, ANESTHESIOLOGY DEPT, ROYAL OAK, MI 48073(248) 723-1635(248) 723-1681 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Anesthesiology
  • Pain Medicine

About CRAIG HARTRICK

This page provides the complete NPI Profile along with additional information for Craig Hartrick, a provider established in Royal Oak, Michigan with a medical specialization in Anesthesiology, focusing in pain medicine . The healthcare provider is registered in the NPI registry with number 1598749095 assigned on November 2005. The practitioner's primary taxonomy code is 207LP2900X with license number 4301044416 (MI). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1598749095
Provider Name
DR. CRAIG T HARTRICK MD
Gender
Male
Entity Type
Individual
Location Address
3601 W 13 MILE RD ANESTHESIOLOGY DEPT ROYAL OAK, MI 48073
Location Phone
(248) 723-1635
Location Fax
(248) 723-1681
Mailing Address
3601 W 13 MILE RD ANESTHESIOLOGY DEPT ROYAL OAK, MI 48073
Mailing Phone
(248) 723-1635
Mailing Fax
(248) 723-1681
Is Sole Proprietor?
No
Enumeration Date
11-30-2005
Last Update Date
07-13-2026
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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

Anesthesiology Pain Medicine

Taxonomy Code
207LP2900X
Type
Allopathic & Osteopathic Physicians
License No.
4301044416
License State
MI
Taxonomy Description
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

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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 1598749095, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
5
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 7 → 14 → 5 9 → 18 → 9 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 4 + 4 + 1 + 8 + 0 + 1 + 8 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1598749095.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pathology (Chemical Pathology)
3601 W 13 MILE RD, WILLIAM BEAUMONT HOSPITAL, DEPT. OF CLINICAL PATHOLOGY
ROYAL OAK, MI 48073
Hospitalist
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD, 400 FSC - PCS
ROYAL OAK, MI 48073
Physician Assistant
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD, 400 FSC - PCS
ROYAL OAK, MI 48073
Physician Assistant
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD, 400 FSC - PCS
ROYAL OAK, MI 48073
Physician Assistant
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD, 400 FSC - PCS
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD, 400 FSC - PCS
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD, 400 FSC - PCS
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD, 400 FSC - PCS
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD, 400 FSC - PCS
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD, 400 FSC - PCS
ROYAL OAK, MI 48073
Pathology (Anatomic Pathology & Clinical Pathology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Pathology (Clinical Pathology/Laboratory Medicine)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Pathology (Hematology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Nurse Anesthetist, Certified Registered
3601 W 13 MILE RD, 400 FSC - PCS
ROYAL OAK, MI 48073

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598749095, enumerated as an "individual" on November 30, 2005.

The provider is located at 3601 W 13 MILE RD ANESTHESIOLOGY DEPT ROYAL OAK, MI 48073 and the phone number is (248) 723-1635.

Anesthesiology with taxonomy code 207LP2900X and a focus in Pain Medicine.