Physician Profile
Unclaimed ProfileAbout HASSID
Edwin Joseph Hassid, M.D. is a healthcare provider in San Francisco, CA specializing in internal medicine. Edwin trained at University of California, San Francisco School of Medicine, graduating in 1972. According to Medicare claims data, Edwin cared for 586 Medicare patients across 891 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) 379-2980
- Email not available
Practice Locations
1199 BUSH ST STE 400
San Francisco, CA 94109
Procedures Most Often Billed to Medicare
891 services · 586 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
49 |
| Influenza vaccine, inactivated | Treatment | 90653 |
24 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
289 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
249 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
120 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
86 |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
28 |
| Administration of influenza virus vaccine | Billing code | G0008 |
27 |
| 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 |
19 |
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 internal medicines at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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 internal medicines in San Francisco 8
Same specialty, same city.
Trained at University of California, San Francisco School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1972 at University of California, San Francisco 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 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Hassid's specialty?
Dr. Hassid is an internal medicine in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Hassid?
Dr. Hassid is listed at 1199 BUSH ST STE 400, San Francisco, CA 94109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Hassid?
The number on file is (415) 379-2980. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hassid's NPI number?
Dr. Hassid's National Provider Identifier is 1033140702. 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. Hassid's medical education?
Dr. Hassid attended University of California, San Francisco School of Medicine, graduating in 1972. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hassid been practicing?
Dr. Hassid has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Hassid known for?
According to Medicare billing data, Dr. Hassid provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hassid confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hassid. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.