Physician Profile
Unclaimed ProfileAbout MOK
Shaffer Randall Shrope Mok, M.D. is a healthcare provider in Columbia, MD specialising in gastroenterology. Shaffer is also listed as specialising in student in an organized health care education program and internal medicine.
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
Common questions
What is Dr. Mok's specialty?
Dr. Mok is a gastroenterology in Columbia, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Mok?
Dr. Mok is listed at 7120 MINSTREL WAY STE 100, Columbia, MD 21045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Mok?
The number on file is (410) 290-6677. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Mok?
Dr. Mok's National Provider Identifier is 1275878787. 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
What is Dr. Mok's medical education?
Dr. Mok attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mok have?
Dr. Mok has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Mok known for?
According to Medicare billing data, Dr. Mok performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope and ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope; reads or performs imaging such as review by radiologist of image from tube placement into bile duct using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Mok's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mok. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (410) 290-6677
- Email not available
Practice Locations
7120 MINSTREL WAY STE 100
Columbia, MD 21045
Procedures Most Often Billed to Medicare
349 services · 299 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
100 |
| Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43270 |
40 |
| Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope | Procedure | 43238 |
40 |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Procedure | 43237 |
36 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
21 |
| Insertion of stent into pancreatic or bile duct using a flexible endoscope | Procedure | 43274 |
21 |
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Procedure | 43264 |
16 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
14 |
| Review by radiologist of image from tube placement into bile duct using an endoscope | Imaging | 74328 |
26 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 29 related providers in 4 groups
Other gastroenterology specialists in Columbia 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in MD who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.