Are you Dr. Peterson? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 9601 Blackwell Rd, Suite 100, Rockville, MD 20850
About Dr. Peterson
Mark A. Peterson, MD is a specialist based in Rockville, MD. Mark is a 1989 graduate of George Washington University School of Medicine. According to Medicare claims data, Mark cared for 2,117 Medicare patients across 2,784 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, injection, triamcinolone acetonide, not otherwise specified, 10 mg, and aspiration and/or injection of fluid from large joint. The provider's National Provider Identifier (NPI) is 1740226430.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (301) 340-9200
- Email not available
Practice Locations
9601 BLACKWELL RD SUITE 100
Rockville, MD 20850
Procedures Most Often Billed to Medicare
2,784 services · 2,117 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
417 | More than most peers in Specialist |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
26 | As often as other peers in Specialist |
| Removal of both knee cartilages using an endoscope | Procedure | 29880 |
17 | Too few peers to compare |
| Replacement of knee joint on side of knee | Procedure | 27446 |
17 | Too few peers to compare |
| Removal of knee cartilage using an endoscope | Procedure | 29881 |
11 | Too few peers to compare |
| X-ray of knee, 4 or more views | Imaging | 73564 |
329 | More than most peers in Specialist |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
153 | More often than most peers in Specialist |
| X-ray of knee, 3 views | Imaging | 73562 |
143 | More often than most peers in Specialist |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
45 | As often as other peers in Specialist |
| X-ray of hip, 2-3 views | Imaging | 73502 |
31 | As often as other peers in Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other specialists in Rockville 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at George Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Peterson?
Dr. Peterson is a specialist in Rockville, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Peterson's address?
Dr. Peterson is listed at 9601 Blackwell Rd Suite 100, Rockville, MD 20850. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Peterson?
The number on file is (301) 340-9200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Peterson's NPI number?
Dr. Peterson's National Provider Identifier is 1740226430. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Peterson train?
Dr. Peterson attended George Washington University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Peterson been practicing?
Dr. Peterson has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Peterson perform?
According to Medicare billing data, Dr. Peterson performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and removal of both knee cartilages using an endoscope; reads or performs imaging such as x-ray of knee, 4 or more views and x-ray of shoulder, minimum of 2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Peterson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Peterson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.