JOHN MUIR CALL COVERAGE MEDICAL GROUP, INC.
NPI 1306056262
Internal Medicine - Critical Care Medicine in Walnut Creek, CA

NPI Status: Active since May 22, 2007

Contact Information

1601 YGNACIO VALLEY RD
WALNUT CREEK, CA
ZIP 94598
Phone: (925) 682-8200

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  • Organization
  • Internal Medicine
  • Critical Care Medicine

About JOHN MUIR CALL COVERAGE MEDICAL GROUP, INC.

This page provides the complete NPI Profile along with additional information for John Muir Call Coverage Medical Group, Inc., an internist established in Walnut Creek, California operating as a Internal Medicine, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1306056262 assigned on May 2007. The practitioner's primary taxonomy code is 207RC0200X. The provider is registered as an organization and their NPI record was last updated one year ago. John Muir Call Coverage Medical Group, Inc. 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. Howard Taekman M.d. (President)

NPI
1306056262
Provider Name
JOHN MUIR CALL COVERAGE MEDICAL GROUP, INC.
Entity Type
Organization
Location Address
1601 YGNACIO VALLEY RD WALNUT CREEK, CA 94598
Location Phone
(925) 682-8200
Mailing Address
1400 TREAT BLVD WALNUT CREEK, CA 94597
Mailing Phone
(925) 947-5331
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-22-2007
Last Update Date
09-11-2025
Code Navigator

An internist like John Muir Call Coverage Medical Group, Inc. is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine Critical Care Medicine

Taxonomy Code
207RC0200X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

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)
1204E00000XAllopathic & Osteopathic Physicians

Oral & Maxillofacial Surgery

 
2207VX0000XAllopathic & Osteopathic Physicians

Obstetrics & Gynecology
Obstetrics

 
3207W00000XAllopathic & Osteopathic Physicians

Ophthalmology

 
4207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

 
5207XS0117XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Orthopaedic Surgery of the Spine

 
6207Y00000XAllopathic & Osteopathic Physicians

Otolaryngology

 
7208000000XAllopathic & Osteopathic Physicians

Pediatrics

 
82084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

 
92086S0102XAllopathic & Osteopathic Physicians

Surgery
Surgical Critical Care

 
102086S0122XAllopathic & Osteopathic Physicians

Surgery
Plastic and Reconstructive Surgery

 
112086S0129XAllopathic & Osteopathic Physicians

Surgery
Vascular Surgery

 
12208800000XAllopathic & Osteopathic Physicians

Urology

 
13208C00000XAllopathic & Osteopathic Physicians

Colon & Rectal Surgery

 
14208G00000XAllopathic & Osteopathic Physicians

Thoracic Surgery (Cardiothoracic Vascular Surgery)

 

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. HOWARD TAEKMAN M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(925) 947-5331

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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 1306056262, 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 0 → 0 0 → 0 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 0 + 5 + 1 + 2 + 2 + 1 + 2 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1306056262.

Other Providers at the Same Location


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

Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Radiology (Diagnostic Radiology)
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306056262, enumerated as an "organization" on May 22, 2007.

The provider is located at 1601 YGNACIO VALLEY RD WALNUT CREEK, CA 94598 and the phone number is (925) 682-8200.

Internal Medicine with taxonomy code 207RC0200X and a focus in Critical Care Medicine.