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Edit this profileAt a glance
- 235 S Palisade Dr, Santa Maria, CA 93454
About Dr. Ryan
Lisa Y. Ryan, M.D. is a hospitalist based in Santa Maria, CA. Lisa is also listed as specializing in family medicine. Medicare claims data shows Lisa provided 815 services to 630 patients. 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, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. The provider's National Provider Identifier (NPI) is 1134157639.
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
- (805) 739-3561
- Email not available
Practice Locations
235 S PALISADE DR
Santa Maria, CA 93454
Conditions Commonly Evaluated or Treated
Within Hospital 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
Allergic Reactions
- Severe Allergic Reaction
Blood Clots
Blood Disorders
- Sickle Cell Pain Crisis
Brain & nerves
- Alcohol withdrawal
- Delirium
- Fainting and syncope
- Meningitis
- Transient ischemic attack
Brain & Nerves
Breathing & lungs
- Community-acquired pneumonia
- COPD flare-up
- Fluid around the lungs
- Severe asthma attack
Digestive health
- Acute gallbladder inflammation
- Acute pancreatitis
- Ascites
- Bowel obstruction
- C. diff diarrhea
- Severe diverticulitis flare-up
- Stomach or intestinal bleeding
Emergencies
- Drug overdose or poisoning
Endocrine
- Dangerously High Calcium
General medical
- Hip fracture medical care
- Low sodium or electrolyte imbalance
- Post-surgery fever or infection
- Severe dehydration
- Short stature and growth concerns
Heart & Circulation
- A-Fib Flare-Up
- Heart Attack Inpatient Care
- Shock
Heart & circulation
- Dangerous high blood pressure
- Deep vein thrombosis
- Heart failure flare-up
- Severe anemia
- Supraventricular tachycardia
- Unexplained chest pain
Hormones & diabetes
- Dangerous high blood sugar
Infections
- Bone infection
- Cellulitis
- Complicated Bladder Infection
- Flesh-Eating Infection
- Infective endocarditis
- Sepsis or blood infection
- Severe COVID-19 illness
- Severe flu illness
Kidney & urinary
Liver & Digestive
- Hepatic encephalopathy
- Severe Fecal Impaction
- Sudden Liver Failure
Lung Infections
- Hospital-Acquired Pneumonia
- Severe Pneumonia
Lungs & Breathing
Nutrition
- Severe Malnutrition In Hospital
Procedures & services
Access & tubes
- Arterial catheter placement
- Central line placement
- Feeding or stomach tube insertion
- PICC line placement coordination
- Urinary catheter insertion
Addiction Medicine
- Inpatient Opioid Withdrawal Induction
Airway & Breathing
- Emergency intubation
- Tracheostomy care
Breathing support
- BiPAP or CPAP therapy
- Breathing machine management
- Oxygen therapy
Critical Care
- Continuous IV Sedation Management
- CPR and defibrillation
- Rapid Response Team Call
Diagnostic procedures
- Emergency ultrasound
- Hospital heart rhythm monitoring
- Lumbar puncture
- Swallowing safety evaluation coordination
Diagnostic Testing
- Blood Culture Workup
Draining fluids
Emergency Care
- Blood Thinner Reversal
Heart Procedures
- Bedside Heart Ultrasound
- Electrical cardioversion
Hospital services
- Alcohol detox monitoring
- Comfort care transition
- Fall risk assessment
- Hospital admission
- Hospital discharge planning
- Hospital observation care
- Hospital wound and bed sore care
- Inpatient dialysis coordination
- Inpatient physical therapy evaluation
- Medication management
- Post-surgery hospital recovery care
- Pre-surgery medical clearance
- Rehab or nursing home placement evaluation
- Specialist consultation coordination
Joint Procedures
Kidney Care
- Inpatient Peritoneal Dialysis Care
Lung Procedures
Medication & fluids
- Blood sugar insulin drip
- Blood thinner drip management
- Blood transfusion
- IV antibiotic treatment
- IV electrolyte replacement
- IV fluids
- Patient-Controlled Analgesia (PCA) Setup
Mental Health
- Medical-Psychiatric Inpatient Evaluation
Neurological Care
- Continuous Neurological Checks
- Emergency Stroke Response
Nutrition Support
- IV Nutrition For Preemies
Rehabilitation
- Inpatient Occupational Therapy Evaluation
Urinary Care
- Continuous Bladder Irrigation
Procedures Most Often Billed to Medicare
815 services · 630 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
12 | Too few peers to compare |
| Influenza vaccine, inactivated | Treatment | 90653 |
11 | 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 |
200 | More often than most peers in Hospitalist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
189 | As often as other peers in Hospitalist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
131 | As often as other peers in Hospitalist |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
70 | As often as other peers in Hospitalist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
55 | More often than most peers in Hospitalist |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
48 | As often as other peers in Hospitalist |
| Hemoglobin a1c level | Lab test | 83036 |
38 | More often than most peers in Hospitalist |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
36 | As often as other peers in Hospitalist |
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 1997 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 3 related providers in 1 group
Also performs Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 3
Providers in CA who bill this service to Medicare most often.
Common questions
What does Lisa Y. Ryan specialize in?
Lisa Y. Ryan is a hospitalist in Santa Maria, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Lisa Y. Ryan located?
Lisa Y. Ryan is listed at 235 S Palisade Dr, Santa Maria, CA 93454. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Lisa Y. Ryan's phone number?
The number on file is (805) 739-3561. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Lisa Y. Ryan?
Lisa Y. Ryan's National Provider Identifier is 1134157639. 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 Lisa Y. Ryan train?
Lisa Y. Ryan attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Lisa Y. Ryan have?
Lisa Y. Ryan has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What does Lisa Y. Ryan do most often?
According to Medicare billing data, Lisa Y. Ryan provides treatments such as pneumococcal conjugate vaccine, 20 valent , for intramuscular use 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
Is Lisa Y. Ryan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Lisa Y. Ryan. If this is you, claiming it is free.
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