Lockwood Ambulatory Surgery Center
NPI 1154385813 · Ambulatory Surgical Clinic/Center · Silver Spring, MD
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lockwood Ambulatory Surgery Center is a Ambulatory Surgical Clinic/Center organization in Silver Spring, MD (NPI 1154385813).
Provider details
- NPI number
- 1154385813
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Christopher Farnworth, President(301) 924-5044
- License
- A1189 (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
20 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
91 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) |
|---|---|---|
| Correction of Toe Joint Deformity28285 | 58 | $1,291 |
| Correction of Rigid Deformity of First Joint of Big Toe28289 | 20 | $722 |
| Correction of Bunion28292 | 13 | $1,350 |
Typical Medicare-allowed amounts for these services range $722–$1,350 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Other names (DBA / former)
- Former legal business name
- Groman & Rubin Ambulatory Surgery Center
Registry dates
- Enumerated
- 2006-04-12
- Last updated
- 2011-08-09
Frequently asked questions
- What is Lockwood Ambulatory Surgery Center's NPI number?
- Lockwood Ambulatory Surgery Center's National Provider Identifier (NPI) is 1154385813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lockwood Ambulatory Surgery Center?
- Lockwood Ambulatory Surgery Center is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Lockwood Ambulatory Surgery Center located?
- Lockwood Ambulatory Surgery Center's practice location on file with NPPES is 10801 Lockwood Dr, Silver Spring, MD 20901-1556.
- What is Lockwood Ambulatory Surgery Center's phone number?
- The practice phone number listed in the NPPES registry for Lockwood Ambulatory Surgery Center is (301) 924-5044.
- Does Lockwood Ambulatory Surgery Center accept Medicare?
- Lockwood Ambulatory Surgery Center 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 Lockwood Ambulatory Surgery Center?
- The authorized official listed on Lockwood Ambulatory Surgery Center's NPPES record is Christopher Farnworth, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lockwood Ambulatory Surgery Center's NPI active?
- Yes — Lockwood Ambulatory Surgery Center's NPI (1154385813) is active in the NPPES registry as of the last update on 2011-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.