Provider Profile
Based in Walnut Creek, CA, Jamal J. Zaka, M. D. is listed in the NPI registry under pulmonary disease. Jamal is also listed as specializing in critical care medicine. Medicare claims data shows Jamal provided 694 services to 555 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, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and sleep study including heart rate, breathing, and sleep time.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
130 LA CASA VIA #208
Walnut Creek, CA 94598
400 29th St Ste 208A
Oakland, CA 94609
Within Pulmonary Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Airway disorders
Blood vessel disorders
Critical care
Diagnostic findings
Environmental lung diseases
Genetic conditions
Infections
Inflammatory conditions
Lung growths
Occupational & environmental
Pleural disorders
Post-infection conditions
Sleep disorders
Structural lung conditions
Symptoms
Most searched procedures
Airway care
Airway management
Biopsies
Biopsies & diagnostics
Breathing tests
Cancer diagnostic procedures
Consultations
Counseling & prevention
Critical care
Diagnostic procedures
Drainage care
Imaging
Interventional procedures
Lab tests
Lung tests
Medications
Monitoring
Pleural procedures
Procedures
Rehabilitation
Screening
Sleep equipment
Sleep medicine
Sleep treatments
Specialist evaluations
Specialized testing
Treatments
694 services · 555 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study including heart rate, breathing, and sleep time | Treatment | 95800 |
75 | More often than most peers in Pulmonary Disease |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
73 | More often than most peers in Pulmonary Disease |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
15 | Less often than most peers in Pulmonary Disease |
| Test to determine lung volumes using sensors | Treatment | 94726 |
15 | Less often than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
13 | Less often than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
398 | More often than most peers in Pulmonary Disease |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
94 | More often than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
11 | Less often than most peers in Pulmonary Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Jamal J. Zaka is a lung specialist in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Jamal J. Zaka is listed at 130 la Casa Via #208, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (925) 944-0166. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Jamal J. Zaka's National Provider Identifier is 1053581769. 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
Jamal J. Zaka attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
Jamal J. Zaka has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Jamal J. Zaka provides treatments such as sleep study including heart rate, breathing, and sleep time and sleep study in sleep lab, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Jamal J. Zaka. 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.