HERBERT G CHISSELL III M.D.
NPI 1982659728
Psychiatry & Neurology - Forensic Psychiatry in Cumberland, MD

NPI Status: Active since May 23, 2006

Contact Information

900 SETON DR
CUMBERLAND, MD
ZIP 21502
Phone: (301) 723-5030
Fax: (301) 723-1480

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Forensic Psychiatry
  • PECOS Enrolled

About HERBERT CHISSELL

This page provides the complete NPI Profile along with additional information for Herbert Chissell, a provider established in Cumberland, Maryland with a medical specialization in Psychiatry & Neurology, focusing in forensic psychiatry . The healthcare provider is registered in the NPI registry with number 1982659728 assigned on May 2006. The practitioner's primary taxonomy code is 2084F0202X with license number D0018519 (MD). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1982659728
Provider Name
HERBERT G CHISSELL III M.D.
Gender
Male
Entity Type
Individual
Location Address
900 SETON DR CUMBERLAND, MD 21502
Location Phone
(301) 723-5030
Location Fax
(301) 723-1480
Mailing Address
330 SUFFOLK RD BALTIMORE, MD 21218
Mailing Phone
(410) 467-7448
Is Sole Proprietor?
Yes
Enumeration Date
05-23-2006
Last Update Date
07-05-2026
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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

Psychiatry & Neurology Forensic Psychiatry

Taxonomy Code
2084F0202X
Type
Allopathic & Osteopathic Physicians
License No.
D0018519
License State
MD
Taxonomy Description
Forensic Psychiatry is a subspecialty with psychiatric focus on interrelationships with civil, criminal and administrative law, evaluation and specialized treatment of individuals involved with the legal system, incarcerated in jails, prisons, and forensic psychiatry hospitals.

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)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

D0018519 (MD)

Medicare Participation & PECOS Enrollment Status

Herbert Chissell 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: Durable Medical Equipment (DME) 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: No

  • 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: 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 1982659728, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
8
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 8 → 16 → 7 6 → 12 → 3 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 1 + 2 + 5 + 1 + 8 + 7 + 4 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1982659728.

Other Providers at the Same Location


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

Emergency Medicine
900 SETON DR
CUMBERLAND, MD 21502
Social Worker (Clinical)
900 SETON DR
CUMBERLAND, MD 21502
Social Worker (Clinical)
900 SETON DR, SECOND FLOOR
CUMBERLAND, MD 21502
Physician Assistant
900 SETON DR
CUMBERLAND, MD 21502
Pharmacy (Institutional Pharmacy)
900 SETON DR
CUMBERLAND, MD 21502
Radiology (Diagnostic Radiology)
900 SETON DR, DEPARTMENT OF RADIOLOGY
CUMBERLAND, MD 21502
Anesthesiology
900 SETON DR, WESTERN MD HEALTH SYSTEM
CUMBERLAND, MD 21502
Clinical Medical Laboratory
900 SETON DR
CUMBERLAND, MD 21502
Pharmacist
900 SETON DR
CUMBERLAND, MD 21502
Pharmacist
900 SETON DR
CUMBERLAND, MD 21502
Emergency Medicine
900 SETON DR
CUMBERLAND, MD 21502
Registered Nurse (Psychiatric/Mental Health)
900 SETON DR, 2ND FLOOR
CUMBERLAND, MD 21502
Counselor (Professional)
900 SETON DR
CUMBERLAND, MD 21502
Counselor (Professional)
900 SETON DR
CUMBERLAND, MD 21502
Counselor (Professional)
900 SETON DR
CUMBERLAND, MD 21502
Social Worker (Clinical)
900 SETON DR
CUMBERLAND, MD 21502
Radiology (Diagnostic Radiology)
900 SETON DR
CUMBERLAND, MD 21502
Specialist
900 SETON DR
CUMBERLAND, MD 21502
Skilled Nursing Facility
900 SETON DR
CUMBERLAND, MD 21502
Internal Medicine (Pulmonary Disease)
900 SETON DR
CUMBERLAND, MD 21502

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982659728, enumerated as an "individual" on May 23, 2006.

The provider is located at 900 SETON DR CUMBERLAND, MD 21502 and the phone number is (301) 723-5030.

Psychiatry & Neurology with taxonomy code 2084F0202X and a focus in Forensic Psychiatry.