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Edit this profileAt a glance
- 100 Witmer Rd, Suite 220, Horsham, PA 19044
About Mark Enzerra
Listed in the NPI registry as a physician assistant, Mark Enzerra practices in Horsham, PA. Medicare claims data shows Mark provided 174 services to 168 patients. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1073823365 identifies this record in the national registry.
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
- (215) 442-5000
- Email not available
Practice Locations
100 WITMER RD SUITE 220
Horsham, PA 19044
Procedures Most Often Billed to Medicare
174 services · 168 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
47 | As often as other peers in Physician Assistant |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
28 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
23 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
21 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
17 | Less often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
14 | Less often than most peers in Physician Assistant |
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 physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
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.
More connections — 21 related providers in 3 groups
Other physician assistants in Horsham 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at Other 7
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Mark Enzerra?
Mark Enzerra is a physician assistant in Horsham, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mark Enzerra's address?
Mark Enzerra is listed at 100 Witmer Rd Suite 220, Horsham, PA 19044. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mark Enzerra?
The number on file is (215) 442-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark Enzerra?
Mark Enzerra's National Provider Identifier is 1073823365. 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 Mark Enzerra train?
Mark Enzerra attended Other, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark Enzerra have?
Mark Enzerra has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mark Enzerra perform?
According to Medicare billing data, Mark Enzerra the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark Enzerra's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark Enzerra. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.