Physician Profile
Unclaimed ProfileAbout KILLEN
Mark J. Killen, MD practises anesthesiology in Philadelphia, PA. Mark is a 2020 graduate of Drexel University College of Medicine. Mark is also listed as specialising in student in an organized health care education program and emergency 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 does Dr. Killen specialise in?
Dr. Killen is an anesthesiology in Philadelphia, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
Where is Dr. Killen located?
Dr. Killen is listed at 1020 SANSOM ST STE 1651B, Philadelphia, PA 19107. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Killen's phone number?
The number on file is (215) 955-9837. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Killen?
Dr. Killen's National Provider Identifier is 1174142269. 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. Killen go to medical school?
Dr. Killen attended Drexel University College of Medicine, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Killen have?
Dr. Killen has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Killen do most often?
According to Medicare billing data, Dr. Killen 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 Dr. Killen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Killen. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (215) 955-9837
- Email not available
Practice Locations
1020 SANSOM ST STE 1651B
Philadelphia, PA 19107
Procedures Most Often Billed to Medicare
818 services · 791 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
547 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
190 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
50 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
31 |
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.
Related specialists at this location 8
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 anesthesiology specialists in Philadelphia 8
Same specialty, same city.
More connections — 12 related providers in 2 groups
Trained at Drexel University College of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Drexel University College of Medicine 6
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.