Physician Profile
Unclaimed ProfileAbout PENNER
Mark S Penner, DO practises emergency medicine in San Jose, CA. Mark is a 1994 graduate of Western University of Health Sciences College of Dental Med.
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. Penner specialise in?
Dr. Penner is an emergency medicine in San Jose, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
Where is Dr. Penner located?
Dr. Penner is listed at 2105 FOREST AVE, San Jose, CA 95128. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Penner's phone number?
The number on file is (408) 947-2500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Penner's NPI number?
Dr. Penner's National Provider Identifier is 1689602500. 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. Penner go to medical school?
Dr. Penner attended Western University of Health Sciences College of Dental Med, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Penner been practising?
Dr. Penner has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Penner do most often?
According to Medicare billing data, Dr. Penner provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Penner confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Penner. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (408) 947-2500
- Email not available
Practice Locations
2105 FOREST AVE
San Jose, CA 95128
Procedures Most Often Billed to Medicare
566 services · 548 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
128 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
236 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
156 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
25 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
21 |
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 emergency medicines at this location 8
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 — 22 related providers in 3 groups
Other emergency medicines in San Jose 6
Same specialty, same city.
Trained at Western University of Health Sciences College of Dental Med 8
Other providers in the same specialty who trained at the same institution.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in CA 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.