Robert G. Loeffler, M.D.
Orthopaedic Surgery Physician · Silver Spring, MD
Robert G. Loeffler, M.D. is an orthopaedic surgery physician with a practice address in Silver Spring, Maryland, and NPI 1912941766, issued on Jun 15, 2006. Check the license (Maryland D0005149, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Robert G. Loeffler
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- D0005149 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2101 Medical Park Dr, Silver Spring, MD 20902
- Phone
- (301) 681-5400
- Enumerated
- Jun 15, 2006
- Record last updated
- Feb 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (301) 681-5806
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 457 in Maryland → Look up another NPI →
Also registered at 2101 Medical Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Abend, M.D.Orthopaedic Surgery Physician1073555777
- Neal Adams, MDOphthalmology Physician1851354500
- Leah Berhane, MDObstetrics & Gynecology Physician1437213584
- Steven Burger, M.D.Gastroenterology Physician1295738714
- Judy CaoPhysician Assistant1003288721
- Pamela Cheung, M.D.Ophthalmology Physician1427074764
Verify Robert G. Loeffler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0005149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
11 Medicare Part D claims, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Robert G. Loeffler among 457 orthopaedic surgery physician records in Maryland
Robert G. Loeffler, M.D. is one of 457 orthopaedic surgery physician records with a practice address in Maryland. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Maryland
There are 457 orthopaedic surgery physician records in Maryland.
All 457 in Maryland → Every provider in Silver Spring → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Jeffrey Abend, M.D.Silver Spring, MD 209021073555777
- Ashok Gowda, M.D.Silver Spring, MD 209021942439583
- Christopher Magee, M.D.Silver Spring, MD 209021558453548
- Murali Balakrishnan, M.D.Silver Spring, MD 209041689711160
- Leonard Tassy, M.D.Silver Spring, MD 209041063567782
- Alvaro Sanchez, MDColesville, MD 209051447823562
- Irvin Guterman, MDSilver Spring, MD 209101487646006
- Derek Kram, M.D.Silver Spring, MD 209101184616708
Common questions
What is Robert G. Loeffler, M.D.'s NPI number?
Robert G. Loeffler, M.D.'s National Provider Identifier (NPI) is 1912941766, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert G. Loeffler, M.D. located?
The NPPES record lists a practice address at 2101 Medical Park Dr, Silver Spring, MD, 20902. Phone: (301) 681-5400. Providers update this record themselves, so call before visiting.
How can I verify Robert G. Loeffler, M.D.'s license?
NPPES lists Maryland license number D0005149, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert G. Loeffler, M.D. prescribe under Medicare Part D?
In 2024, Robert G. Loeffler, M.D. had 11 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.