THOMAS JOHNSON SURGERY CENTER, LLC
NPI 1679757959
Clinic/Center - Ambulatory Surgical in Frederick, MD

NPI Status: Active since December 23, 2007

Contact Information

197 THOMAS JOHNSON DR
FREDERICK, MD
ZIP 21702
Phone: (301) 631-3881
Fax: (301) 631-3883

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • CLIA Number: 21D1080993
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 03-06-2028

About THOMAS JOHNSON SURGERY CENTER, LLC

This page provides the complete NPI Profile along with additional information for Thomas Johnson Surgery Center, Llc, a provider established in Frederick, Maryland operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1679757959 assigned on December 2007. The practitioner's primary taxonomy code is 261QA1903X with license number A1465 (MD). The provider is registered as an organization and their NPI record was last updated 17 years ago. The authorized official of this NPI record is Ravi Yalamanchili M.d. (President)

NPI
1679757959
Provider Name
THOMAS JOHNSON SURGERY CENTER, LLC
Entity Type
Organization
Location Address
197 THOMAS JOHNSON DR FREDERICK, MD 21702
Location Phone
(301) 631-3881
Location Fax
(301) 631-3883
Mailing Address
197 THOMAS JOHNSON DR FREDERICK, MD 21702
Mailing Phone
(301) 631-3881
Mailing Fax
(301) 631-3883
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-23-2007
Last Update Date
03-03-2009
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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

Clinic/Center Ambulatory Surgical

Taxonomy Code
261QA1903X
Type
Ambulatory Health Care Facilities
License No.
A1465
License State
MD

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

RAVI YALAMANCHILI M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(301) 846-0100

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Biopsy of bladder using an endoscope

A biopsy of the bladder using an endoscope is a procedure where a small sample of bladder tissue is collected for testing. An endoscope, a flexible tube with a light and camera, is used to see inside the bladder. This helps to identify any abnormal areas. The procedure helps in the diagnosis of various conditions.

This service was performed 29 times for 29 patients

Biopsy of lining of uterus and/or removal of polyp using an endoscope

This procedure involves using a thin, flexible tool (endoscope) to examine and possibly remove a small tissue sample from the inner layer of your uterus. It may also involve removing a growth. It helps to identify any issues and plan the right treatment.

This service was performed 12 times for 12 patients

Biopsy of prostate gland

A biopsy of the prostate gland is a procedure where a small sample of tissue is taken from your body's internal gland, located near the bladder, for testing. This helps in diagnosing potential health issues. It's usually done with a fine needle and imaging technology for accuracy.

This service was performed 24 times for 24 patients

Crushing of stone of ureter with insertion of stent using an endoscope

This procedure involves using a thin, flexible tube (endoscope) to locate and break down kidney stones in the ureter. After this, a small tube (stent) is inserted to help maintain an open pathway for urine to flow.

This service was performed 74 times for 60 patients

Crushing, fragmenting, and removal of bladder stones, less than 2.5 cm

This procedure involves breaking down and removing small stones found in your bladder. The stones are first crushed into smaller pieces, then removed to help alleviate discomfort and prevent further complications.

This service was performed 11 times for 11 patients

Destruction and/or removal of growth of bladder and urethra using an endoscope, 0.5-2.0 cm

This procedure involves using a special instrument, an endoscope, to view and treat a small growth in the bladder and urethra. It's a minimally invasive method to remove or destroy growths measuring 0.5-2.0 cm, aiding in better urinary health.

This service was performed 17 times for 17 patients

Destruction and/or removal of growth of bladder and urethra using an endoscope, 2.0-5.0 cm

This procedure involves using a thin, flexible tool called an endoscope to examine and remove a growth in your bladder and urethra. The growth size ranges from 2.0-5.0 cm. This is done to ensure your urinary system functions properly.

This service was performed 22 times for 19 patients

Destruction of growth of bladder and urethra using an endoscope, less than 0.5 cm

This procedure involves using a special instrument called an endoscope to remove a small growth in your bladder and urethra. It's a minimally invasive procedure and the growth being treated is less than half a centimeter in size.

This service was performed 35 times for 30 patients

Diagnostic exam of bladder and urethra using an endoscope

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

This service was performed 27 times for 27 patients

Dilation of urethra using an endoscope

This procedure involves expanding a narrow passage in your urinary tract with the help of a special instrument called an endoscope. It aids in improving urine flow and resolving related issues, ensuring better urinary health.

This service was performed 18 times for 18 patients

Exam with injections of chemical for destruction of bladder using an endoscope

This procedure involves the use of a thin, flexible tube with a light (endoscope) for internal examination. A chemical is then injected to help eliminate specific issues in the bladder. It's a standard and safe process.

This service was performed 52 times for 40 patients

Imaging of urinary tract following injection of a contrast agent

This procedure involves injecting a contrast agent into your body to help highlight the urinary tract during imaging. The contrast agent makes your urinary tract more visible on the images, providing detailed information about its structure and function. This can help in diagnosing any potential issues.

This service was performed 242 times for 205 patients

Injection, onabotulinumtoxina, 1 unit

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

This service was performed 6,600 times for 40 patients

Insertion of peripheral or gastric neurostimulator generator

The insertion of a peripheral or gastric neurostimulator generator is a procedure that helps manage chronic pain or gastric conditions. A small device is surgically placed under the skin, which sends mild electrical signals to the nerves involved.

This service was performed 12 times for 12 patients

Insertion of sacral nerve neurostimulator electrode array

The insertion of a sacral nerve neurostimulator electrode array is a procedure where a small device is placed under your skin. This device sends mild electrical pulses to your sacral nerves, which can help manage certain body functions and alleviate symptoms.

This service was performed 11 times for 11 patients

Insertion of stent in ureter using an endoscope

This procedure involves placing a small, flexible tube (stent) in your body's drainage system to help urine flow from the kidneys to the bladder. An endoscope, a thin tube with a light and camera, is used for precise placement.

This service was performed 60 times for 42 patients

Insertion of tube into ureter using an endoscope through bladder area

This procedure involves the use of a thin, flexible tool called an endoscope. It's inserted through the body's natural pathways to reach the area where urine is transported. A small tube is then placed in this area to help with urine flow or to remove blockages.

This service was performed 50 times for 48 patients

Repair of groin hernia (5 years or older)

Repair of a groin hernia is a procedure aimed at fixing an abnormal bulge that can occur in the area between your abdomen and thigh. This condition happens when tissue pushes through a weak spot in your lower abdominal wall. The repair procedure returns this tissue back to its proper place.

This service was performed 14 times for 14 patients

Shock wave crushing of kidney stones

Shock wave crushing of kidney stones, also known as Extracorporeal Shock Wave Lithotripsy (ESWL), is a non-invasive treatment. It involves the use of sound waves to break down kidney stones into small pieces that can easily pass through your urinary tract.

This service was performed 53 times for 46 patients

Ultrasound scan of pelvic region through rectum

An ultrasound scan of the pelvic region through the rectum is a medical procedure where a small, smooth device is gently inserted into the rectum. This device uses sound waves to create images of the internal structures in the lower abdomen, aiding in diagnosis and treatment planning.

This service was performed 25 times for 25 patients

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
21D1080993
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
March 07, 2026
Certificate Expiration Date
March 06, 2028
Laboratory Director
STEVEN BRAND
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Thomas Johnson Surgery Center, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1679757959, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
6
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
5
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
9
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 7 → 14 → 5 7 → 14 → 5 7 → 14 → 5 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 1 + 4 + 5 + 1 + 4 + 9 + 1 + 0 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1679757959.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Anesthesiology
197 THOMAS JOHNSON DR
FREDERICK, MD 21702
Physical Therapist
197 THOMAS JOHNSON DR
FREDERICK, MD 21702
Clinic/Center (Ambulatory Surgical)
197 THOMAS JOHNSON DR
FREDERICK, MD 21702
Physical Therapist
197 THOMAS JOHNSON DR
FREDERICK, MD 21702
Physical Therapist
197 THOMAS JOHNSON DR
FREDERICK, MD 21702
Physical Therapist
197 THOMAS JOHNSON DR, STE B
FREDERICK, MD 21702
Anesthesiology (Pain Medicine)
197 THOMAS JOHNSON DR
FREDERICK, MD 21702
Physical Medicine & Rehabilitation (Pain Medicine)
197 THOMAS JOHNSON DR, SUITE B
FREDERICK, MD 21702
Anesthesiology
197 THOMAS JOHNSON DR
FREDERICK, MD 21702

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679757959, enumerated as an "organization" on December 23, 2007.

The provider is located at 197 THOMAS JOHNSON DR FREDERICK, MD 21702 and the phone number is (301) 631-3881.

Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.