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Edit this profileAt a glance
- 1100 Larkspur Landing Cir Ste 10, Larkspur, CA 94939
About Dr. Nisam
Based in Larkspur, CA, Merrill R. Nisam, MD is listed in the NPI registry under pulmonary disease. Merrill graduated from University of California, Davis School of Medicine in 1980. Merrill is also listed as specializing in critical care medicine. Medicare claims data shows Merrill provided 896 services to 789 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1205824067 identifies this record in the national registry.
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) 924-1214
- Email not available
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Practice Locations
1100 LARKSPUR LANDING CIR STE 10
Larkspur, CA 94939
Conditions Commonly Evaluated or Treated
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.
Conditions
Chronic conditions
- Cystic Fibrosis Malabsorption
Most searched conditions
- Asthma
- Chronic cough
- COPD
- Lung cancer
- Pulmonary fibrosis
- Shortness of breath
- Sleep apnea
Airway disorders
- Acute bronchitis
- Bronchiectasis
- Chronic Throat Clearing and Chronic Cough
Blood vessel disorders
Critical care
- Respiratory failure
Diagnostic findings
- Swollen Chest Lymph Nodes
Environmental lung diseases
- Chronic Beryllium Disease
Genetic conditions
- Alpha-1 antitrypsin deficiency
- Cystic fibrosis in adults
Infections
- Community-acquired pneumonia
- Fungal lung infection
- Legionnaires' Disease
- Lung abscess
- NTM lung infection
- Severe Pneumonia
- Tuberculosis
- Valley fever
- Walking Pneumonia in Children
- Whooping Cough
Inflammatory conditions
- Farmer's lung
- Interstitial lung disease
- Sarcoidosis
Lung growths
- Mesothelioma
- Suspicious Lung Spot
Occupational & environmental
- Asbestos lung damage
- Black lung disease
- Silicosis
- Vaping lung illness
Pleural disorders
- Collapsed lung
- Fluid around the lungs
- Pain when breathing
Post-infection conditions
- Long COVID lung problems
Sleep disorders
- Excessive daytime sleepiness
- Shallow Breathing In Sleep
- Snoring
- Upper Airway Resistance Syndrome
- Waking Up Gasping Or Choking
Structural lung conditions
- Lung Bullae
Symptoms
- Blue Baby Syndrome
- Chest congestion
- Coughing up blood
- Low oxygen levels
- Rapid Breathing
- Severe asthma attack
- Wheezing
Procedures & services
Biopsies
- Lung Biopsy
- Lung Cryobiopsy
Breathing
- CPAP Setup and Mask Troubleshooting
- Home Oxygen Therapy Training
- Nebulizer Breathing Treatment Training
Pleural procedures
- Draining lung fluid
- Chest tube insertion
- Medical thoracoscopy
- Permanent chest drain insertion
- Pleural sealing procedure
Sleep medicine
- At-home sleep test
- BiPAP therapy
- CPAP titration
- Overnight oxygen study
- Sleep study
Treatments
Most searched procedures
- Bronchoscopy
- Oxygen therapy management
- Pulmonary function test
- Spirometry
Airway care
- Trach Tube Care and Changing
Airway management
- Tracheostomy care
Biopsies & diagnostics
- EBUS lung biopsy
- Needle biopsy of lung
- Robotic lung biopsy
Breathing tests
- 6-minute walk test
- Asthma challenge test
- Cardiopulmonary Exercise Testing (CPET)
- Exhaled nitric oxide test
Cancer diagnostic procedures
- Endobronchial Ultrasound Staging
Consultations
- Pre-op lung clearance
Counseling & prevention
Critical care
- Ventilator Weaning Evaluation
Diagnostic procedures
- Lung Wash Procedure
Drainage care
- Pleural Catheter Removal
Imaging
- Chest CT Scan
- Chest X-Ray
- Lung Perfusion Scan
Interventional procedures
- Bronchial thermoplasty
- Lung valve placement for emphysema
Lab tests
- Arterial blood gas test
- Sputum test
Lung tests
- Pre- And Post-Bronchodilator Test
Medications
- Severe Asthma Biologics
Monitoring
- Asthma Action Plan Consultation
- Continuous Pulse Oximetry
Procedures
- Foreign Object Removal From Airway
- Windpipe stent placement
Rehabilitation
- Airway clearance therapy
- Pulmonary rehabilitation
Screening
- Low-dose CT lung cancer screening
Sleep equipment
- CPAP Mask Fitting
Sleep treatments
- Sleep Apnea Dental Device Evaluation
Specialist evaluations
- Lung Transplant Evaluation
- Lung Volume Reduction Evaluation
Specialized testing
- High-Altitude Oxygen Test
Procedures Most Often Billed to Medicare
896 services · 789 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
17 | Less often than most peers in Pulmonary Disease |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
14 | Less 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 |
213 | More often than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
138 | More 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 |
103 | As often as other peers in Pulmonary Disease |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
78 | More than most peers in Pulmonary Disease |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
78 | More than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
69 | More often than most peers in Pulmonary Disease |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
37 | As often as other peers in Pulmonary Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
34 | 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.
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 lung specialists at this location 3
Same specialty, same street address — most likely the same department or group.
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 University of California, Davis School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1980 at University of California, Davis School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test to examine how well the lungs exchange gases 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Nisam?
Dr. Nisam is a lung specialist in Larkspur, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
What is Dr. Nisam's address?
Dr. Nisam is listed at 1100 Larkspur Landing Cir Ste 10, Larkspur, CA 94939. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Nisam?
The number on file is (415) 924-1214. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Nisam?
Dr. Nisam's National Provider Identifier is 1205824067. 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 Dr. Nisam train?
Dr. Nisam attended University of California, Davis School of Medicine, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nisam have?
Dr. Nisam has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Nisam perform?
According to Medicare billing data, Dr. Nisam provides treatments such as test to examine how well the lungs exchange gases and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Nisam's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nisam. If this is you, claiming it is free.
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