Dr. Carol T. Mei, MD

  • Hollister, CA
  • Hematologist and oncologist
NPI1528041720PAC ID3173649175
Medicare services, 2024
230
Medicare patients, 2024
90
Part D claims, 2024
93
Hospital affiliations
2
Industry payments
$1,126
Practice address
911 Sunset Drive, Hollister, CA 95032
Practice phone
Call (831) 637-5711
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hazel Hawkins Memorial Hospital

Hospital · Hollister, California

See all 4 affiliations

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Dr. Carol T. Mei is a hematologist and oncologist in Hollister, California

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

Dr. Mei's NPI, 1528041720, was assigned on November 22, 2005. Dr. Mei graduated from Stanford University School Of Medicine in 1989. Dr. Mei holds California license G70168.

NPI and contact details
Medicare PAC ID
3173649175
NPI enumeration date
November 22, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(831) 637-5711
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
63
Medical school graduation
1989

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

Dr. Carol T. Mei practices at Hazel Hawkins Memorial Hospital in Hollister, California

Dr. Mei'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. Carol T. Mei is affiliated with 3 sites of care and 1 medical group

Dr. Mei's primary practice is Hazel Hawkins Memorial Hospital in Hollister, California, part of Hazel Hawkins. Dr. Mei is also affiliated with Salinas Valley Health Medical Center. The medical group on file is Hazel Hawkins Memorial Hospital. Dmand AI also links Dr. Mei to 1 more group practice or clinic, named with a free account. Dr. Mei's employer is on file too: a hospital.

See all 4 affiliations for Dr. Mei

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

Dmand AI tracks the EHR system at Dr. Carol T. Mei's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mei practices, 3 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
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Carol T. Mei is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Dr. Mei's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Mei is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Mei's licenses on file in 2 states: California and Massachusetts.

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense G70168 · 2017 to 2027 · taxonomy 207RH0003X
  • Massachusetts licenseLicense 78172 · 1993 to 2018

Clinical focus

Dmand AI lists chronic anemia, chronic embolism thrombosis, neutropenia and purpura and thrombocytopenia among the conditions Dr. Mei treats.

Hematologists and oncologists near Dr. Mei

Counts of hematologists and oncologists 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. Carol T. Mei billed Medicare for 230 services in 2024

CMS data shows 230 Medicare services from Dr. Mei across 3 procedure codes in 2024, all of them office visits, for 90 Medicare patients. Medicare paid $24,425 for them. Every service was in an office.

Medicare services, 2024230
Medicare patients90
Paid by Medicare$24,425
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 1792024: 23028%

Dr. Mei compared with the California median for hematologists and oncologists, 2024

  • Dr. Mei
  • California median
Medicare services
230vs 93275% below
Medicare patients
90vs 22560% below
Part D claims
24vs 39494% below

Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.

Dr. Mei'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. Mei

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

Dr. Carol T. Mei treated 90 Medicare patients in 2024, average age 75

CMS counts 90 Medicare patients who saw Dr. Mei in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 27% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Mei's median patient age at 60, with 70% women.

Medicare patients, 202490
Average age75
Average risk score1.41
Also on Medicaid27%

Dr. Mei's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Mei's Medicare patients by sex, 2024

  • Women5157%
  • Men3943%

Chronic conditions among Dr. Mei's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis53%
  4. Diabetes46%
  5. Chronic kidney disease38%
  6. Mood disorders30%
  7. Depression29%
  8. Osteoporosis23%

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

Dr. Mei's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women70%
  • Men30%

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

Dr. Carol T. Mei wrote 93 Medicare Part D claims in 2024

In 2024, Dr. Mei wrote 93 Medicare Part D claims for 30 patients. 84% of them were for generic drugs. CMS names the drug for 24 of them, across 1 drug with 11 or more claims each, at $288 in total drug cost. In 2023, CMS named 17 claims across 1 drug.

Part D claims, 202493
Drugs named by CMS1
Total drug cost$288
Part D patients30

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

  • Generic78 claims84%
  • Brand-name15 claims16%

Dr. Mei'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 172024: 2441%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Mei

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

How Dr. Carol T. Mei takes part in Medicare

Dr. Mei accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Carol T. Mei received $1,126 in industry payments from 2020 to 2025

CMS Open Payments shows 48 general payments to Dr. Mei from 24 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $179.

General payments to Dr. Mei by program year, 2020 to 2025

Companies that paid Dr. Mei the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mei

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

Dr. Carol T. Mei has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Mei, most recently Regional Top Doctor in 2014.

Awards and honors for Dr. Mei

  1. 2014
    • Regional Top Doctor
  2. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Carol T. Mei graduated from Stanford University School Of Medicine

Dr. Mei graduated from Stanford University School Of Medicine in 1989. Dr. Mei is a member of ASCO.

  1. Medical schoolStanford University School Of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Carol T. Mei accepts plans from 6 insurance carriers

Dr. Mei is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • United Healthcare
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • Elevance
  • HCSC

Plan types Dr. Mei accepts, by number of carriers

  1. PPO3
  2. Medicare2
  3. POS2
  4. EPO1
  5. HMO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Carol T. Mei'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Carol T. Mei

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. Carol T. Mei's NPI number?

Dr. Carol T. Mei's NPI number is 1528041720. It was assigned on November 22, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Carol T. Mei?

Dr. Carol T. Mei is a hematologist and oncologist in Hollister, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Carol T. Mei practice?

Dr. Mei practices at 911 Sunset Drive, Hollister, CA 95032. Dr. Mei's primary practice is Hazel Hawkins Memorial Hospital in Hollister, California, part of Hazel Hawkins. Dmand AI also links Dr. Mei to 1 group practice or clinic.

What is Dr. Carol T. Mei's office phone number?

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

What is Dr. Carol T. Mei's medical license number?

Dr. Mei holds California license G70168, one of the licenses on file in 2 states.

Which states has Dr. Carol T. Mei been licensed in?

Dmand AI has state licenses on file for Dr. Mei in California (2017 to 2027) and Massachusetts (1993 to 2018).

Which hospitals is Dr. Carol T. Mei affiliated with?

Dr. Mei practices at Hazel Hawkins Memorial Hospital in Hollister, California. Dr. Mei is also affiliated with Salinas Valley Health Medical Center.

What medical group is Dr. Carol T. Mei part of?

Dr. Mei is linked to Hazel Hawkins Memorial Hospital.

Does Dr. Carol T. Mei accept Medicare?

Yes. CMS data shows Dr. Mei billed Medicare for 230 services in 2024, and Dr. Mei accepts Medicare assignment.

How many Medicare patients does Dr. Carol T. Mei see?

CMS counts 90 Medicare patients who saw Dr. Mei in 2024, with an average age of 75.

Show 7 more questionsShow fewer questions

Is Dr. Carol T. Mei board certified?

Yes. Dr. Mei is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Carol T. Mei bill to Medicare?

In 2024, Dr. Mei's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).

Where did Dr. Carol T. Mei go to medical school?

Dr. Mei graduated from Stanford University School Of Medicine in 1989.

What drugs does Dr. Carol T. Mei prescribe most?

In 2024 Medicare Part D data, Dr. Mei's most prescribed drugs by claims were Omeprazole.

Has Dr. Carol T. Mei received payments from drug or device companies?

CMS Open Payments shows $1,126 in general payments to Dr. Mei from 24 companies from 2020 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.

How long has Dr. Carol T. Mei been practicing?

Dr. Mei graduated from medical school in 1989, 37 years ago.

What insurance does Dr. Carol T. Mei accept?

Dr. Mei is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

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