Thomas Johnson Surgery Center, LLC
NPI 1679757959 · Ambulatory Surgical Clinic/Center · Frederick, MD
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Johnson Surgery Center, LLC is a Ambulatory Surgical Clinic/Center organization in Frederick, MD (NPI 1679757959).
Provider details
- NPI number
- 1679757959
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Ravi Yalamanchili, President(301) 846-0100
- License
- A1465 (MD)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
942 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Urinary Tract Following Injection of a Contrast Agent74420 | 187 | $191 |
| Ultrasound Scan of Pelvic Region Through Rectum76872 | 93 | $55 |
| Endoscope, Single-Use (i.e. Disposable), Urinary Tract, Imaging/Illumination Device (insertable)C1747 | 82 | $1,020 |
| Crushing of Stone of Ureter With Insertion of Stent Using an Endoscope52356 | 74 | $2,047 |
| Needle Biopsy of Prostate Gland Using Image Guidance55706 | 70 | $1,571 |
| Insertion of Stent in Ureter Using an Endoscope52332 | 61 | $1,128 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-23
- Last updated
- 2009-03-03
Frequently asked questions
- What is Thomas Johnson Surgery Center, LLC's NPI number?
- Thomas Johnson Surgery Center, LLC's National Provider Identifier (NPI) is 1679757959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thomas Johnson Surgery Center, LLC?
- Thomas Johnson Surgery Center, LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Thomas Johnson Surgery Center, LLC located?
- Thomas Johnson Surgery Center, LLC's practice location on file with NPPES is 197 Thomas Johnson Dr, Frederick, MD 21702-4314.
- What is Thomas Johnson Surgery Center, LLC's phone number?
- The practice phone number listed in the NPPES registry for Thomas Johnson Surgery Center, LLC is (301) 631-3881.
- Does Thomas Johnson Surgery Center, LLC accept Medicare?
- Thomas Johnson Surgery Center, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Thomas Johnson Surgery Center, LLC?
- The authorized official listed on Thomas Johnson Surgery Center, LLC's NPPES record is Ravi Yalamanchili, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thomas Johnson Surgery Center, LLC's NPI active?
- Yes — Thomas Johnson Surgery Center, LLC's NPI (1679757959) is active in the NPPES registry as of the last update on 2009-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.