Physician Profile
Catherine S. Fehrmann, MD
Unclaimed ProfileAbout Dr. Fehrmann
Based in San Rafael, CA, Catherine S. Fehrmann, MD is listed in the NPI registry under general practice. According to Medicare claims data, Catherine cared for 70 Medicare patients across 579 services. The services billed most often include 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, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and 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'.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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) 459-9200
- Email not available
Practice Locations
503 D ST
San Rafael, CA 94901
Conditions Commonly Evaluated or Treated
Within General Practice 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
Blood disorders
- Anemia
Bone health
- Osteoporosis
Brain & Nerves
- Migraines
- Vertigo
Digestive Health
- Acid reflux
- Constipation
- Viral gastroenteritis
Digestive health
- Food Poisoning
- Hemorrhoids
- IBS
Ear, Nose & Throat
- Ear infection
- Sinus infection
Endocrine
- Hyperthyroidism
Eye Care
- Pink eye
Foot & Ankle
- Heel pain
General Health
- Chronic fatigue
Heart & Circulation
- High blood pressure
- High cholesterol
Infections
- COVID-19
- Mononucleosis
Joint & Muscle
- Carpal tunnel
- Knee pain
- Shoulder Pain
Lungs & Breathing
- Acute bronchitis
- Asthma
- Community-acquired pneumonia
Men's Health
- Erectile dysfunction
- Testosterone deficiency
Mental Health
- ADHD
- Anxiety
- Depression
- Insomnia
Pain
- Sciatica
Pain & Joints
- Back pain
- Gout
- Neck pain
- Osteoarthritis
Skin
- Acne
- Poison Ivy Rash
- Psoriasis
Skin & Hair
- Eczema
- Foot fungus
- Hair loss
- Herpes simplex of the skin
- Hives
- Shingles
- Skin tags
Sleep
- Sleep apnea
Urinary & Kidney
- Urinary incontinence in women
Weight & Metabolism
- Obesity
Women's Health
- Bacterial vaginosis
- Perimenopause
- Yeast infection
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Dermatology
- Cryotherapy for skin lesions
- Skin biopsy
Diagnostic testing
- Diabetes Screening and A1C Test
- Heart monitor
- Spirometry
Ear, Nose & Throat
- Earwax removal
Exams & Clearances
- DOT Physical
- Pre-Op Clearance Exam
- Sports physical
Heart & Circulation
- Blood Pressure Check
- EKG
Hormone therapy
- Hormone replacement therapy
Infections & Screening
- Cholesterol Check
- COVID-19 testing
- STI Testing
- Urine Drug Screen
Injections
- Antibiotic Injection
Lab tests
- Rapid flu test
- Rapid Mono Test
- Rapid strep testing
- Urinalysis
- Vaccine Titer Test
Lungs & Breathing
- Breathing Treatment
Men's Health
- Prostate exam
Mental health
- Mental Health Evaluation
Minor Surgery
- Incision and drainage of an abscess
- Ingrown toenail removal
- Mole removal
- Skin Tag Removal
- Superficial foreign-body removal
- Wart Removal
Pain & Injections
- Joint injection or aspiration
- Vitamin B12 Injections
Pain & Joints
- Splinting of minor injuries
Pain management
- Trigger Point Injections
Physical exams
- Daycare Physical
Prescriptions & Medications
- Prescription Refill
Preventive care
- Colon cancer screening consult
Preventive Care
- Smoking cessation counseling
Sleep
- At-Home Sleep Study Ordering
Vaccines
- HPV vaccine
- Routine Vaccines
- Shingles And Senior Vaccinations
- Tetanus shot
- Travel vaccines
Weight & Metabolism
- Weight loss medication consult
Women's Health
- Birth control counseling
- Depo Shot
- IUD Removal
- Pap smear
- Pelvic exam
- Pregnancy Confirmation Test
Wound Care
- Burn and Wound Care
- Minor laceration repair
- Suture removal
Procedures Most Often Billed to Medicare
579 services · 70 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| 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 |
424 | |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
124 | More often than most peers in GENERAL PRACTICE |
| 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 |
31 | As often as other peers in GENERAL PRACTICE |
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Fehrmann's specialty?
Dr. Fehrmann is a general practice in San Rafael, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Fehrmann?
Dr. Fehrmann is listed at 503 D St, San Rafael, CA 94901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Fehrmann?
The number on file is (415) 459-9200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Fehrmann's NPI number?
Dr. Fehrmann's National Provider Identifier is 1629169776. 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. Fehrmann's medical education?
Dr. Fehrmann attended Other, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Fehrmann been practicing?
Dr. Fehrmann has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Fehrmann known for?
According to Medicare billing data, Dr. Fehrmann the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Fehrmann confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fehrmann. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.