Physician Profile
Unclaimed ProfileAbout MARKMANN
William John Markmann, MD is a healthcare provider in Philadelphia, PA specialising in orthopedic surgery. William trained at Temple University School of Medicine, graduating in 1974. William is also listed as specialising in orthopaedic surgery.
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. Markmann?
Dr. Markmann is an orthopedic surgeon in Philadelphia, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
What is Dr. Markmann's address?
Dr. Markmann is listed at 7500 CENTRAL AVE SUITE 108, Philadelphia, PA 19111. 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. Markmann?
The number on file is (215) 745-4050. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Markmann's NPI number?
Dr. Markmann's National Provider Identifier is 1912973660. 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. Markmann train?
Dr. Markmann attended Temple University School of Medicine, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Markmann been practising?
Dr. Markmann has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Markmann perform?
According to Medicare billing data, Dr. Markmann performs procedures including aspiration and/or injection of fluid from large joint and injection of trigger points, 1-2 muscles; reads or performs imaging such as x-ray of knee, 3 views and x-ray of hip, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Markmann confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Markmann. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (215) 745-4050
- Email not available
Practice Locations
7500 CENTRAL AVE SUITE 108
Philadelphia, PA 19111
Procedures Most Often Billed to Medicare
2,622 services · 911 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
289 |
| Injection of trigger points, 1-2 muscles | Procedure | 20552 |
37 |
| X-ray of knee, 3 views | Imaging | 73562 |
125 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
79 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
29 |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
28 |
| X-ray of pelvis, 1-2 views | Imaging | 72170 |
23 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
1,420 |
| Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose | Drug given | J7324 |
63 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
409 |
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 orthopedic surgeons 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 — 31 related providers in 4 groups
Other orthopedic surgeons in Philadelphia 8
Same specialty, same city.
Trained at Temple University School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1974 at Temple University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 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.