Physician Profile
Mohammad S. Al Hasan, MD practices nephrology in Hollister, CA. Mohammad is also listed as specializing in emergency medicine and internal medicine. Medicare claims data shows Mohammad provided 4,838 services to 1,955 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, management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes, and emergency department visit with high level of medical decision making.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
41 SANTA ANA RD
Hollister, CA 95023
Within Nephrology 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
Acid-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
Medication management
Medication therapy
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
4,838 services · 1,955 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
47 | Too few peers to compare |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
329 | Too few peers to compare |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
19 | Less often than most peers in Nephrology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
842 | More than most peers in Nephrology |
| Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | Office visit | 99458 |
642 | More often than most peers in Nephrology |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
504 | Too few peers to compare |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | Office visit | 99457 |
462 | More often than most peers in Nephrology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
440 | More often than most peers in Nephrology |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
349 | More often than most peers in Nephrology |
| Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | Office visit | 99454 |
259 | More often than most peers in Nephrology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Al Hasan is a kidney specialist in Hollister, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
Dr. Al Hasan is listed at 41 Santa Ana Rd, Hollister, CA 95023. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (831) 638-0212. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Al Hasan's National Provider Identifier is 1932183829. 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
Dr. Al Hasan attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
Dr. Al Hasan has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Al Hasan performs imaging including x-ray of chest, 1 view; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and injection of drug or substance under skin or into muscle, 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 Dr. Al Hasan. 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.