Physician Profile
Unclaimed ProfileAbout ZWILLENBERG
Based in Philadelphia, PA, Seth Zwillenberg, MD is listed in the NPI registry under otolaryngology. Seth is also listed as specializing in otolaryngology (ent). According to Medicare claims data, Seth cared for 213 Medicare patients across 254 services.
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 kind of doctor is Dr. Zwillenberg?
Dr. Zwillenberg is an otolaryngology in Philadelphia, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OTOLARYNGOLOGY”.
NPI registry
What is Dr. Zwillenberg's address?
Dr. Zwillenberg is listed at 1920 CHESTNUT ST 2ND FLOOR, Philadelphia, PA 19103. 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. Zwillenberg?
The number on file is (215) 561-2546. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Zwillenberg's NPI number?
Dr. Zwillenberg's National Provider Identifier is 1952372906. 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. Zwillenberg train?
Dr. Zwillenberg attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Zwillenberg been practicing?
Dr. Zwillenberg has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Zwillenberg perform?
According to Medicare billing data, Dr. Zwillenberg performs procedures including diagnostic exam of nasal passages using an endoscope, removal of impacted ear wax and diagnostic exam of voice box using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Zwillenberg confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Zwillenberg. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (215) 561-2546
- Email not available
Practice Locations
1920 CHESTNUT ST 2ND FLOOR
Philadelphia, PA 19103
Procedures Most Often Billed to Medicare
254 services · 213 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
53 |
| Removal of impacted ear wax | Procedure | 69210 |
32 |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
32 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
53 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
36 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
34 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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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.
Related specialists at this location 2
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.
Other otolaryngology specialists in Philadelphia 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of nasal passages using an endoscope 8
Providers in PA 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.