Dr. Mohammad Said Al Hasan, MD

  • Hollister, CA
  • Nephrologist
NPI1932183829PAC ID2264576503
Medicare services, 2024
4,924
Medicare patients, 2024
943
Part D claims, 2024
3,645
Publications
1
Hospital affiliations
6
Practice address
911 Sunset Drive, Hollister, CA 95032
Practice phone
Call (831) 637-5711
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Hazel Hawkins Memorial Hospital

Hospital · Hollister, California

See all 25 affiliations

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Dr. Mohammad Said Al Hasan is a nephrologist in Hollister, California

Dr. Al Hasan practices at Hazel Hawkins Memorial Hospital in Hollister, California, part of Hazel Hawkins.

Dr. Al Hasan's NPI, 1932183829, was assigned on December 3, 2005. Dr. Al Hasan graduated from University of Jordan Faculty of Medicine in 1990. Dr. Al Hasan's California license number on file is A61093.

NPI and contact details
Medicare PAC ID
2264576503
NPI enumeration date
December 3, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(831) 637-5711
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
62
Medical school graduation
1990

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mohammad Said Al Hasan practices at Hazel Hawkins Memorial Hospital in Hollister, California

Dr. Al Hasan's primary practice is Hazel Hawkins Memorial Hospital, at 911 Sunset Drive, Hollister, CA 95032 in Santa Clara County. The practice phone is (831) 637-5711.

Source: Dmand AI Affiliation Data

Dr. Mohammad Said Al Hasan is affiliated with 9 sites of care and 16 medical groups

Dr. Al Hasan's primary practice is Hazel Hawkins Memorial Hospital in Hollister, California, part of Hazel Hawkins. Dr. Al Hasan is also affiliated with Adventist Health Bakersfield. The medical group on file is Big River Emergency Physicians Inc. Dmand AI also links Dr. Al Hasan to 4 more hospitals, 15 medical groups, 2 home health agencies and 1 group practice or clinic, each named with a free account.

See all 25 affiliations for Dr. Al Hasan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mohammad Said Al Hasan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Al Hasan practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hazel Hawkins Memorial HospitalAvailable with a free account
+8 more sites and 15 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Al Hasan practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Hazel Hawkins and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Mohammad Said Al Hasan is one of 1,401 nephrologists in California

Nephrology is Dr. Al Hasan's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Al Hasan is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Al Hasan's licenses on file in 4 states: California, New York, Iowa and Wisconsin.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A61093 · 1996 to 2025 · taxonomy 207RN0300X
  • New York licenseLicense 306759-01 · 2020 to 2025
  • Iowa license1994 to 1998
  • Wisconsin license1994 to 1997

Clinical focus

Dmand AI lists acid reflux, acute kidney failure, acute sinusitis, acute skin infection, adjustment disease, aneurysm, anxiety and aortic atherosclerois among the conditions Dr. Al Hasan treats.

Nephrologists near Dr. Al Hasan

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mohammad Said Al Hasan billed Medicare for 4,924 services in 2024

CMS data shows 4,924 Medicare services from Dr. Al Hasan across 30 procedure codes in 2024, for 943 Medicare patients. Medicare paid $340,960 for them.

Medicare services, 20244,924
Medicare patients943
Paid by Medicare$340,960
Procedure codes30

Dr. Al Hasan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3,7512024: 4,23613%
Tests and treatments
2023: 1212024: 364201%
Other services
2023: 912024: 239163%
Imaging
2023: 02024: 47
Lab and pathology
2023: 762024: 3850%
Drugs given in the office
2023: 1322024: 0100%

Where Dr. Al Hasan's Medicare services took place, 2024

  • In an office3,64874%
  • In a facility1,27626%

Dr. Al Hasan compared with the California median for nephrologists, 2024

  • Dr. Al Hasan
  • California median
Medicare services
4,924vs 1,0844.5 times
Medicare patients
943vs 3073.1 times
Part D claims
3,031vs 9553.2 times

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Al Hasan's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Al Hasan

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Al Hasan and other nephrologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mohammad Said Al Hasan treated 943 Medicare patients in 2024, average age 74

CMS counts 943 Medicare patients who saw Dr. Al Hasan in 2024. The largest group is 65 to 74, with 327 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 55% are also on Medicaid. Their average risk score is 1.91, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Al Hasan's median patient age at 47, with 57% women.

Medicare patients, 2024943
Average age74
Average risk score1.91
Also on Medicaid55%

Dr. Al Hasan's Medicare patients by age, 2024

Dr. Al Hasan's Medicare patients by sex, 2024

  • Women53357%
  • Men41043%

Chronic conditions among Dr. Al Hasan's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Diabetes50%
  5. Ischemic heart disease37%
  6. Anxiety34%
  7. Chronic kidney disease34%
  8. Heart failure33%

Share of Medicare patients with each condition. A patient can have several.

Dr. Al Hasan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 47

Patient panel by sex, all payers

  • Women57%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mohammad Said Al Hasan wrote 3,645 Medicare Part D claims in 2024

In 2024, Dr. Al Hasan wrote 3,645 Medicare Part D claims for 668 patients. 89% of them were for generic drugs. CMS names the drug for 3,031 of them, across 93 drugs with 11 or more claims each, at $160,384 in total drug cost. In 2023, CMS named 2,221 claims across 78 drugs.

Part D claims, 20243,645
Drugs named by CMS93
Total drug cost$160,384
Part D patients668

Dr. Al Hasan's Part D claims by kind of drug, 2024

  • Generic3,229 claims89%
  • Brand-name397 claims11%
  • Other19 claims1%

Dr. Al Hasan's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Al Hasan's Part D claims, 2024

  • Opioids6%208 of 3,645 claims
  • Antibiotics9%311 of 3,645 claims
  • Antipsychotics, patients 65 and over1%22 of 3,645 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,2212024: 3,03136%

Drugs named by CMS: 93 in 2024, 78 in 2023.

See all prescribing by Dr. Al Hasan

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Mohammad Said Al Hasan offers telehealth to Medicare patients

Dr. Al Hasan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Al Hasan as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Mohammad Said Al Hasan has 1 publication on record

Dmand AI links 1 paper to Dr. Al Hasan in 2024.

Papers1

Recent publications by Dr. Al Hasan

See all 1 publications and co-authors

See who Dr. Al Hasan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Al Hasan works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Mohammad Said Al Hasan received $4,419 in industry payments from 2016 to 2025

CMS Open Payments shows 240 general payments to Dr. Al Hasan from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Novo Nordisk Inc paid the most, $427.

General payments to Dr. Al Hasan by program year, 2016 to 2025

General payments to Dr. Al Hasan by kind, 2016 to 2025

$4.4Kin total
  • Food and beverage$4,29897%
  • Education$1223%

Companies that paid Dr. Al Hasan the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Al Hasan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Mohammad Said Al Hasan graduated from University of Jordan Faculty of Medicine

Dr. Al Hasan graduated from University of Jordan Faculty of Medicine in 1990.

  1. Medical schoolUniversity of Jordan Faculty of Medicine
  2. Board certified in critical care medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Mohammad Said Al Hasan accepts plans from 18 insurance carriers

Dr. Al Hasan is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Regence Health Plans
  • +10 more carriersWith a free account

Plan types Dr. Al Hasan accepts, by number of carriers

  1. PPO11
  2. Medicare9
  3. HMO6
  4. POS6
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Mohammad Said Al Hasan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mohammad Said Al Hasan

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Mohammad Said Al Hasan's NPI number?

Dr. Mohammad Said Al Hasan's NPI number is 1932183829. It was assigned on December 3, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Mohammad Said Al Hasan?

Dr. Mohammad Said Al Hasan is a nephrologist in Hollister, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Mohammad Said Al Hasan practice?

Dr. Al Hasan practices at 911 Sunset Drive, Hollister, CA 95032. Dr. Al Hasan's primary practice is Hazel Hawkins Memorial Hospital in Hollister, California, part of Hazel Hawkins. Dmand AI also links Dr. Al Hasan to 4 hospitals, 15 medical groups, 2 home health agencies and 1 group practice or clinic.

What is Dr. Mohammad Said Al Hasan's office phone number?

The practice phone on file for Dr. Al Hasan is (831) 637-5711.

What is Dr. Mohammad Said Al Hasan's medical license number?

Dr. Al Hasan's California license number on file is A61093, one of the licenses on file in 4 states.

Which states has Dr. Mohammad Said Al Hasan been licensed in?

Dmand AI has state licenses on file for Dr. Al Hasan in California (1996 to 2025), New York (2020 to 2025), Iowa (1994 to 1998) and Wisconsin (1994 to 1997).

Which hospitals is Dr. Mohammad Said Al Hasan affiliated with?

Dr. Al Hasan practices at Hazel Hawkins Memorial Hospital in Hollister, California. Dr. Al Hasan is also affiliated with Adventist Health Bakersfield. Dmand AI links Dr. Al Hasan to 4 more hospitals.

What medical group is Dr. Mohammad Said Al Hasan part of?

Dr. Al Hasan is linked to Big River Emergency Physicians Inc. Dmand AI links Dr. Al Hasan to 15 more medical groups.

Does Dr. Mohammad Said Al Hasan accept Medicare?

Yes. CMS data shows Dr. Al Hasan billed Medicare for 4,924 services in 2024, and Dr. Al Hasan accepts Medicare assignment.

Does Dr. Mohammad Said Al Hasan offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Al Hasan as offering telehealth services.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Mohammad Said Al Hasan see?

CMS counts 943 Medicare patients who saw Dr. Al Hasan in 2024, with an average age of 74.

Is Dr. Mohammad Said Al Hasan board certified?

Yes. Dr. Al Hasan is board certified in critical care medicine by the American Board of Internal Medicine.

What services does Dr. Mohammad Said Al Hasan bill to Medicare?

In 2024, Dr. Al Hasan's most billed Medicare services were office visit, established patient (99213), care management and other visits (99458) and emergency department visit (99285).

Where did Dr. Mohammad Said Al Hasan go to medical school?

Dr. Al Hasan graduated from University of Jordan Faculty of Medicine in 1990.

What drugs does Dr. Mohammad Said Al Hasan prescribe most?

In 2024 Medicare Part D data, Dr. Al Hasan's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Amlodipine Besylate and Atorvastatin Calcium.

Has Dr. Mohammad Said Al Hasan received payments from drug or device companies?

CMS Open Payments shows $4,419 in general payments to Dr. Al Hasan from 36 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.

How long has Dr. Mohammad Said Al Hasan been practicing?

Dr. Al Hasan graduated from medical school in 1990, 36 years ago.

Does Dr. Mohammad Said Al Hasan do research?

Dmand AI links 1 publication to Dr. Al Hasan.

What insurance does Dr. Mohammad Said Al Hasan accept?

Dr. Al Hasan is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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