Physician Profile
Unclaimed ProfileAbout TEISMANN
Nathan A Teismann, M.D. is a healthcare provider in San Francisco, CA specializing in emergency medicine. Nathan trained at University of Chicago, Pritzker School of Medicine, graduating in 2004. According to Medicare claims data, Nathan cared for 572 Medicare patients across 589 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 609-8195
- Email not available
Practice Locations
505 PARNASSUS AVE UCSF DEPT OF EMERGENCY MEDICINE L-126
San Francisco, CA 94143
Procedures Most Often Billed to Medicare
589 services · 572 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
143 |
| Electrocardiogram (ecg) 1 to 3 leads with review by physician only | Treatment | 93042 |
13 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
224 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
127 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
54 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
28 |
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 1
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 emergency medicines in San Francisco 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Chicago, Pritzker School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at University of Chicago, Pritzker School of Medicine 8
Providers who graduated from the same medical school in the same year.
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.
Common questions
What is Dr. Teismann's specialty?
Dr. Teismann is an emergency medicine in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
Where can I find Dr. Teismann?
Dr. Teismann is listed at 505 PARNASSUS AVE UCSF DEPT OF EMERGENCY MEDICINE L-126, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Teismann?
The number on file is (415) 609-8195. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Teismann's NPI number?
Dr. Teismann's National Provider Identifier is 1548459282. 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
What is Dr. Teismann's medical education?
Dr. Teismann attended University of Chicago, Pritzker School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Teismann been practicing?
Dr. Teismann has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Teismann known for?
According to Medicare billing data, Dr. Teismann provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and electrocardiogram 1 to 3 leads with review by physician only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Teismann confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Teismann. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.