Provider Profile
Josephine Chen, FNP, RN
Unclaimed ProfileAbout Josephine Chen
Josephine Chen, FNP, RN is a nurse practitioner — family practicing in Walnut Creek, CA. According to Medicare claims data, Josephine cared for 527 Medicare patients across 686 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 low level od decision making, if using time, 20 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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
- (925) 947-0417
- Email not available
Practice Locations
2621 SHADELANDS DR
Walnut Creek, CA 94598
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family 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
- Common cold
- Diabetes
- Flu
- High blood pressure
- Sinus infection
- UTI
Allergies
- Seasonal allergies
Allergy & skin
- Hives
Blood disorders
- Iron-deficiency anemia
Bone & joint
- Osteoporosis
Dermatology
- Head lice
- Precancerous sun spot
- Psoriasis
- Ringworm
- Rosacea
Digestive
- Celiac disease
- Constipation
- Hemorrhoids
Digestive health
- Acid reflux
- IBS
- Viral gastroenteritis
Eye conditions
- Pink eye
Heart health
- High cholesterol
Hormones & endocrine
- Hypothyroidism
Infections
- COVID-19
- Ear infection
- Herpes simplex of the skin
- Mononucleosis
- Shingles
- Strep throat
Men's health
- Testosterone deficiency
Mental health
- ADHD
- Anxiety
- Depression
Metabolic & weight
- Obesity
Nerve & joint
- Carpal tunnel
Nerve & spine
- Sciatica
Neurological
- Vertigo
Pain
- Gout
- Heel pain
- Lower back pain
- Migraines
- Osteoarthritis
Pain & spine
- Neck pain
Pediatric infections
- Hand, foot, and mouth disease
Respiratory
- Acute bronchitis
- Asthma
- Chronic cough
- Community-acquired pneumonia
Skin
- Acne
- Contact dermatitis
- Eczema
- Foot fungus
- Hair loss
- Poison Ivy
Sleep
- Insomnia
Urinary health
- Overactive bladder
Women's health
- Bacterial vaginosis
- Heavy periods
- Perimenopause
- Yeast infection
Procedures & services
Most searched procedures
- Annual physical exam
- Routine blood work
- Sick visit
- Sports physical
- Suture removal
- Vaccination
Allergies
- Allergy testing
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
- Cryotherapy for skin spots
Diagnostic screening
- Bone density scan ordering
- Colon cancer screening ordering
- Mammogram ordering
Diagnostic tests
- Rapid flu test
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Hormones & endocrine
- Hormone Replacement Therapy Consultation
Injections
- Vitamin B12 Injections
Injury care
- Sprain and Strain Care
Lab tests
- Cholesterol screening
- COVID-19 testing
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Lifestyle counseling
- Smoking cessation counseling
Mental health
- Mental Health Evaluation
Minor procedures
- Burn and Wound Care
- Incision and drainage of an abscess
- Ingrown toenail removal
- Superficial foreign-body removal
Minor surgery
- Minor laceration repair
Neurological care
- Concussion evaluation
Occupational health
- DOT Physical
Pain management
- Joint injection or aspiration
- Trigger Point Injections
Physical exams
- School Physical
Prescriptions
- Prescription Refill
Preventative care
- Medicare annual wellness visit
- Travel Vaccines for Kids
- Well-child visit
Preventative exams
- Camp Physical
- Pre-Op Clearance Exam
Respiratory care
- Breathing Treatment
Screenings
- TB test
Sexual health
- PrEP consultation
- STD Swabs and Screening
Skin procedures
- Mole Check
- Skin biopsy
- Skin Tag Removal
- Wart Removal
Sleep
- At-Home Sleep Study Ordering
Urgent care
- Splinting of minor injuries
- Tick Removal
Weight management
- Weight Loss Injections and Medication
Women's health
- Birth control counseling
- Contraceptive implant insertion and removal
- IUD insertion and removal
- Pap smear
- Pregnancy Confirmation Test
- Well-woman exam
Procedures Most Often Billed to Medicare
686 services · 527 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
28 | More often than most peers in Nurse Practitioner, Family |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
22 | As often as other peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
282 | More often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
194 | More often than most peers in Nurse Practitioner, Family |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
59 | More often than most peers in Nurse Practitioner, Family |
| Administration of influenza virus vaccine | Billing code | G0008 |
24 | As often as other peers in Nurse Practitioner, Family |
| Urinalysis, manual test | Lab test | 81002 |
23 | As often as other peers in Nurse Practitioner, Family |
| Transitional care management services for problem of high complexity | Office visit | 99496 |
14 | Less often than most peers in Nurse Practitioner, Family |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | Lab test | 87428 |
14 | Less often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
13 | Less often than most peers in Nurse Practitioner, Family |
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 nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 2 groups
Other nurse practitioners in Walnut Creek 8
Same specialty, same city.
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 does Josephine Chen, FNP specialize in?
Josephine Chen, FNP is a nurse practitioner in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Josephine Chen, FNP located?
Josephine Chen, FNP is listed at 2621 Shadelands Dr, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Josephine Chen, FNP's phone number?
The number on file is (925) 947-0417. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Josephine Chen, FNP's NPI number?
Josephine Chen, FNP's National Provider Identifier is 1790175214. 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
How long has Josephine Chen, FNP been practicing?
Josephine Chen, FNP has 11+ years experience. Registered with an NPI since 2015. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Josephine Chen, FNP do most often?
According to Medicare billing data, Josephine Chen, FNP provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report 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 Josephine Chen, FNP confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Josephine Chen, FNP. 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.