Physician Profile
Unclaimed ProfileAbout POON
Based in Baltimore, MD, Thaw Poon, M.D. is listed in the NPI registry under internal medicine. Medicare claims data shows Thaw provided 3,426 services to 1,720 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
- (410) 332-9423
- Email not available
Practice Locations
301 SAINT PAUL PL PHYS OFFICE BLDG., SUITE 701
Baltimore, MD 21202
Procedures Most Often Billed to Medicare
3,426 services · 1,720 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
22 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
49 |
| Influenza vaccine, inactivated | Treatment | 90653 |
196 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
71 |
| Influenza vaccine, trivalent derived from cell cultures | Treatment | 90661 |
26 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,394 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
1,131 |
| Administration of influenza virus vaccine | Billing code | G0008 |
220 |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
110 |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Billing code | G0438 |
105 |
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 internal medicines at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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 — 31 related providers in 4 groups
Other internal medicines in Baltimore 8
Same specialty, same city.
Trained at Other 7
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Dr. Poon specialize in?
Dr. Poon is an internal medicine in Baltimore, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Poon located?
Dr. Poon is listed at 301 SAINT PAUL PL PHYS OFFICE BLDG., SUITE 701, Baltimore, MD 21202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Poon's phone number?
The number on file is (410) 332-9423. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Poon?
Dr. Poon's National Provider Identifier is 1912944349. 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. Poon go to medical school?
Dr. Poon attended Other, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Poon have?
Dr. Poon has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Poon do most often?
According to Medicare billing data, Dr. Poon performs procedures including removal of impacted ear wax; reads or performs imaging such as dxa bone density measurement of hip, pelvis, spine; provides treatments such as influenza vaccine, inactivated and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Poon's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Poon. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.