Physician Profile
Shawn K. Hassler, M.D.
Unclaimed ProfileAbout Dr. Hassler
Shawn K. Hassler, M.D. is a healthcare provider in San Francisco, CA specializing in internal medicine. Shawn trained at University of Miami, Lm Miller School of Medicine, graduating in 1995. Shawn is also listed as specializing in infectious disease. According to Medicare claims data, Shawn cared for 362 Medicare patients across 907 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and injection of drug or substance under skin or into muscle. This provider record is associated with NPI 1427122928.
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
- (415) 397-0700
- Email not available
Practice Locations
870 MARKET ST SUITE 600
San Francisco, CA 94102
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
907 services · 362 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
106 | More often than most peers in Internal Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
25 | As often as other peers in Internal Medicine |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
15 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
574 | More than most peers in Internal Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
122 | More than most peers in Internal Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
42 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 | Less often than most peers in Internal Medicine |
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 internists in San Francisco 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Miami, Lm Miller School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at University of Miami, Lm Miller School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Shawn K. Hassler?
Shawn K. Hassler is an internist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Shawn K. Hassler's address?
Shawn K. Hassler is listed at 870 Market St Suite 600, San Francisco, CA 94102. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Shawn K. Hassler?
The number on file is (415) 397-0700. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Shawn K. Hassler's NPI number?
Shawn K. Hassler's National Provider Identifier is 1427122928. 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 Shawn K. Hassler train?
Shawn K. Hassler attended University of Miami, Lm Miller School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Shawn K. Hassler been practicing?
Shawn K. Hassler has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What procedures does Shawn K. Hassler perform?
According to Medicare billing data, Shawn K. Hassler provides treatments such as injection of drug or substance under skin or into muscle and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Shawn K. Hassler confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Shawn K. Hassler. If this is you, claiming it is free.
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