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Edit this profileAt a glance
- 3400 Spruce Street, 6 Silverstein Bldg, Philadelphia, PA 19104
About Dr. Acker
Michael A. Acker, MD practices cardiac surgery in Philadelphia, PA. Michael is a 1981 graduate of Warren Alpert Medical School of Brown University. Michael is also listed as specializing in thoracic surgery (cardiothoracic). According to Medicare claims data, Michael cared for 393 Medicare patients across 403 services. The services billed most often include new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, coronary artery bypass using artery graft, 1 graft, and replacement of mitral valve on heart-lung machine. The provider's National Provider Identifier (NPI) is 1568494870.
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) 615-4949
- Email not available
Practice Locations
3400 SPRUCE STREET 6 SILVERSTEIN BLDG
Philadelphia, PA 19104
Procedures Most Often Billed to Medicare
403 services · 393 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
43 | More than most peers in Cardiac Surgery |
| Replacement of mitral valve on heart-lung machine | Procedure | 33430 |
41 | More than most peers in Cardiac Surgery |
| Coronary artery bypass using vein or artery graft, 1 graft | Procedure | 33517 |
21 | More often than most peers in Cardiac Surgery |
| Replacement of aortic valve on heart-lung machine | Procedure | 33405 |
20 | More often than most peers in Cardiac Surgery |
| Coronary artery bypass using vein or artery graft, 2 grafts | Procedure | 33518 |
16 | As often as other peers in Cardiac Surgery |
| Radical reconstruction of mitral valve on heart-lung machine | Procedure | 33427 |
15 | As often as other peers in Cardiac Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
100 | More than most peers in Cardiac Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
32 | As often as other peers in Cardiac Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
25 | More often than most peers in Cardiac Surgery |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
23 | As often as other peers in Cardiac Surgery |
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.
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 cardiac surgeons in Philadelphia 8
Same specialty, same city.
Class of 1981 at Warren Alpert Medical School of Brown University 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Coronary artery bypass using artery graft, 1 graft 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Dr. Acker specialize in?
Dr. Acker is a cardiac surgeon in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiac Surgery”.
NPI registry
Where is Dr. Acker located?
Dr. Acker is listed at 3400 Spruce Street 6 Silverstein Bldg, Philadelphia, PA 19104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Acker's phone number?
The number on file is (215) 615-4949. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Acker's NPI number?
Dr. Acker's National Provider Identifier is 1568494870. 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. Acker go to medical school?
Dr. Acker attended Warren Alpert Medical School of Brown University, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Acker been practicing?
Dr. Acker has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Acker do most often?
According to Medicare billing data, Dr. Acker performs procedures including coronary artery bypass using artery graft, 1 graft, replacement of mitral valve on heart-lung machine and coronary artery bypass using vein or artery graft, 1 graft, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Acker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Acker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.