Physician Profile
Unclaimed ProfileAbout TAN
Based in Rockville, MD, Rojack Tan, M.D. is listed in the NPI registry under anesthesiology. Rojack graduated from Georgetown University School of Medicine in 1997. Medicare claims data shows Rojack provided 185 services to 185 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (301) 838-9606
- Email not available
Practice Locations
14820 PHYSICIANS LN 242
Rockville, MD 20850
Procedures Most Often Billed to Medicare
185 services · 185 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
25 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
14 |
| Anesthesia for procedure to correct abnormal heart rhythm | Anaesthesia | 00410 |
18 |
| Anesthesia for procedure on eyelid | Anaesthesia | 00103 |
18 |
| Anesthesia for total hip replacement | Anaesthesia | 01214 |
16 |
| Anesthesia for other procedure on upper abdomen | Anaesthesia | 00790 |
16 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
16 |
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
15 |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
12 |
| Anesthesia for procedure to assess heart electrical activity | Anaesthesia | 00537 |
12 |
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 anesthesiology specialists at this location 8
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 anesthesiology specialists in Rockville 2
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Georgetown University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of artery tube for blood sampling or infusion through skin 7
Providers in MD who bill this service to Medicare most often.
Common questions
What does Dr. Tan specialize in?
Dr. Tan is an anesthesiology in Rockville, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
Where is Dr. Tan located?
Dr. Tan is listed at 14820 PHYSICIANS LN 242, Rockville, MD 20850. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tan's phone number?
The number on file is (301) 838-9606. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Tan?
Dr. Tan's National Provider Identifier is 1528015765. 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. Tan go to medical school?
Dr. Tan attended Georgetown University School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Tan have?
Dr. Tan has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tan do most often?
According to Medicare billing data, Dr. Tan performs procedures including insertion of artery tube for blood sampling or infusion through skin and injection of anesthetic agent and/or steroid into thigh nerve; provides treatments such as anesthesia for procedure to correct abnormal heart rhythm and anesthesia for procedure on eyelid. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Tan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.