MARYLAND POST ACUTE MEDICAL SERVICES 1 PC
NPI 1437688348
Hospitalist in Frederick, MD

NPI Status: Active since June 06, 2017

Contact Information

30 NORTH PL
FREDERICK, MD
ZIP 21701
Phone: (301) 695-6618

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  • Organization
  • Hospitalist

About MARYLAND POST ACUTE MEDICAL SERVICES 1 PC

This page provides the complete NPI Profile along with additional information for Maryland Post Acute Medical Services 1 Pc, a provider established in Frederick, Maryland operating as a Hospitalist. The healthcare provider is registered in the NPI registry with number 1437688348 assigned on June 2017. The practitioner's primary taxonomy code is 208M00000X. The provider is registered as an organization and their NPI record was last updated March 2026. Maryland Post Acute Medical Services 1 Pc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Stephen Holtzclaw Md (President)

NPI
1437688348
Provider Name
MARYLAND POST ACUTE MEDICAL SERVICES 1 PC
Entity Type
Organization
Location Address
30 NORTH PL FREDERICK, MD 21701
Location Phone
(301) 695-6618
Mailing Address
265 BROOKVIEW CENTRE WAY STE 400 KNOXVILLE, TN 37919
Mailing Phone
(865) 693-1000
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-06-2017
Last Update Date
03-25-2026
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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

Hospitalist

Taxonomy Code
208M00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. STEPHEN HOLTZCLAW MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(865) 693-1000

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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 1437688348, 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
4
Unchanged
Pos 3
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
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 3 → 6 6 → 12 → 3 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 1 + 2 + 8 + 1 + 6 + 3 + 8 + 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 1437688348.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Skilled Nursing Facility
30 NORTH PL
FREDERICK, MD 21701
Clinic/Center (Physical Therapy)
30 NORTH PL
FREDERICK, MD 21701
Physical Therapist (Geriatrics)
30 NORTH PL
FREDERICK, MD 21701
Physical Therapy Assistant
30 NORTH PL
FREDERICK, MD 21701
Occupational Therapy Assistant
30 NORTH PL
FREDERICK, MD 21701
Skilled Nursing Facility
30 NORTH PL
FREDERICK, MD 21701
Skilled Nursing Facility
30 NORTH PL
FREDERICK, MD 21701
Skilled Nursing Facility
30 NORTH PL
FREDERICK, MD 21701
Internal Medicine
30 NORTH PL
FREDERICK, MD 21701
Family Medicine (Hospice and Palliative Medicine)
30 NORTH PL
FREDERICK, MD 21701
Internal Medicine
30 NORTH PL
FREDERICK, MD 21701
Hospitalist
30 NORTH PL
FREDERICK, MD 21701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437688348, enumerated as an "organization" on June 06, 2017.

The provider is located at 30 NORTH PL FREDERICK, MD 21701 and the phone number is (301) 695-6618.

Hospitalist with taxonomy code 208M00000X.