DR. KARL W DIEHN M.D.
NPI 1467466623
Specialist in Baltimore, MD

NPI Status: Active since July 27, 2006

Contact Information

6565 N CHARLES ST
SUITE 601
BALTIMORE, MD
ZIP 21204
Phone: (410) 821-5151
Fax: (410) 823-8309

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  • Individual
  • Male
  • Specialist
  • PECOS Enrolled

About KARL DIEHN

This page provides the complete NPI Profile along with additional information for Karl Diehn, a provider established in Baltimore, Maryland with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1467466623 assigned on July 2006. The practitioner's primary taxonomy code is 174400000X with license number D0019874 (MD). The provider is registered as an individual and his NPI record was last updated 13 years ago. Karl Diehn operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1467466623
Provider Name
DR. KARL W DIEHN M.D.
Gender
Male
Entity Type
Individual
Location Address
6565 N CHARLES ST SUITE 601 BALTIMORE, MD 21204
Location Phone
(410) 821-5151
Location Fax
(410) 823-8309
Mailing Address
6565 N CHARLES ST SUITE 601 BALTIMORE, MD 21204
Mailing Phone
(410) 821-5151
Mailing Fax
(410) 823-8309
Is Sole Proprietor?
Yes
Enumeration Date
07-27-2006
Last Update Date
12-13-2013
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
D0019874
License State
MD
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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
H522MEDICARE ID-TYPE UNSPECIFIED (04)MD 
B66933MEDICARE UPIN (02)MD 

Medicare Participation & PECOS Enrollment Status

Karl Diehn 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, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

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

  • 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): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

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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 1467466623, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
4
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
7
Unchanged
Pos 5
4
Doubled → 8
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
6
Unchanged
Pos 9
2
Doubled → 4
Check
3
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 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 2 + 7 + 8 + 6 + 1 + 2 + 6 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1467466623.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Clinic/Center (Physical Therapy)
6565 N CHARLES ST, STE 514
TOWSON, MD 21204
Neurological Surgery
6565 N CHARLES ST, STE 408
BALTIMORE, MD 21204
Ophthalmology
6565 N CHARLES ST, SUITE 302
BALTIMORE, MD 21204
Ophthalmology
6565 N CHARLES ST, SUITE 302
BALTIMORE, MD 21204
Nurse Practitioner (Women's Health)
6565 N CHARLES ST, STE 501, EAST PAVILION
TOWSON, MD 21204
Orthopaedic Surgery
6565 N CHARLES ST, SUITE 606
BALTIMORE, MD 21204
Orthopaedic Surgery
6565 N CHARLES ST, SUITE 606
BALTIMORE, MD 21204
Orthopaedic Surgery
6565 N CHARLES ST, SUITE 606
BALTIMORE, MD 21204
Obstetrics & Gynecology
6565 N CHARLES ST, SUITE 406
BALTIMORE, MD 21204
Internal Medicine
6565 N CHARLES ST, SUITE 210 PHYSICIANS PAVILION EAST
BALTIMORE, MD 21204
Pediatrics
6565 N CHARLES ST, SUITE 306
BALTIMORE, MD 21204
Ophthalmology
6565 N CHARLES ST, #302
BALTIMORE, MD 21204
Internal Medicine
6565 N CHARLES ST, SUITE 203
BALTIMORE, MD 21204
Internal Medicine
6565 N CHARLES ST, STE 203
BALTIMORE, MD 21204
Nurse Practitioner (Gerontology)
6565 N CHARLES ST, SUITE 209
BALTIMORE, MD 21204
Internal Medicine
6565 N CHARLES ST, STE 203
BALTIMORE, MD 21204
Family Medicine
6565 N CHARLES ST, STE 411
BALTIMORE, MD 21204
Pediatrics
6565 N CHARLES ST, STE 306
BALTIMORE, MD 21204
Internal Medicine
6565 N CHARLES ST, STE 203
BALTIMORE, MD 21204

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1467466623, enumerated as an "individual" on July 27, 2006.

The provider is located at 6565 N CHARLES ST SUITE 601 BALTIMORE, MD 21204 and the phone number is (410) 821-5151.

Specialist with taxonomy code 174400000X.

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