Dr. Aneema A. Van Groenou, MD

  • Castro Valley, CA
  • Emergency medicine physician
NPI1770668436PAC ID3173544780
Medicare services, 2024
335
Medicare patients, 2024
241
Part D claims, 2024
318
Publications
2
Hospital affiliations
1
Practice address
20101 Lake Chabot Rd., 1st Floor, Castro Valley, CA 94546
Practice phone
Call (510) 247-6350
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Castro Valley Center Imaging

Mammography / Breast Imaging Center · Castro Valley, California

See all 6 affiliations

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Dr. Aneema A. Van Groenou is an emergency medicine physician in Castro Valley, California

Dr. Van Groenou practices at Castro Valley Center Imaging in Castro Valley, California.

Dr. Van Groenou's NPI, 1770668436, was assigned on October 25, 2006. Dr. Van Groenou graduated from Wayne State University School Of Medicine in 1999. Dr. Van Groenou holds California license A73192.

NPI and contact details
Medicare PAC ID
3173544780
NPI enumeration date
October 25, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(510) 247-6350
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
53
Medical school graduation
1999

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

Dr. Aneema A. Van Groenou practices at Castro Valley Center Imaging in Castro Valley, California

Dr. Van Groenou's primary practice is Castro Valley Center Imaging, at 20101 Lake Chabot Rd., 1st Floor, Castro Valley, CA 94546. The practice phone is (510) 247-6350.

  • Castro Valley Center Imaging
    20101 Lake Chabot Rd., 1st Floor, Castro Valley, CA 94546Phone(510) 247-6350

Source: Dmand AI Affiliation Data

Dr. Aneema A. Van Groenou is affiliated with 3 sites of care and 3 medical groups

Dr. Van Groenou's primary practice is Castro Valley Center Imaging in Castro Valley, California. Dr. Van Groenou is also affiliated with Fremont Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Van Groenou to 2 more medical groups and 1 group practice or clinic, each named with a free account. Dr. Van Groenou's employer is on file too: a breast imaging center.

See all 6 affiliations for Dr. Van Groenou

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

Dmand AI tracks the EHR system at Dr. Aneema A. Van Groenou's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Van Groenou practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Castro Valley Center ImagingAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Aneema A. Van Groenou is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Van Groenou's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Van Groenou is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Van Groenou's licenses on file in 2 states: California and Colorado.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A73192 · 2000 to 2026 · taxonomy 207P00000X
  • Colorado license2004 to 2005

Emergency medicine physicians near Dr. Van Groenou

Counts of emergency medicine physicians 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. Aneema A. Van Groenou billed Medicare for 335 services in 2024

CMS data shows 335 Medicare services from Dr. Van Groenou across 9 procedure codes in 2024, for 241 Medicare patients. Medicare paid $25,923 for them. Every service was in an office.

Medicare services, 2024335
Medicare patients241
Paid by Medicare$25,923
Procedure codes9

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

  • 2023
  • 2024
Office and hospital visits
2023: 1462024: 25172%
Lab and pathology
2023: 332024: 4948%
Tests and treatments
2023: 02024: 19
Drugs given in the office
2023: 02024: 16

Dr. Van Groenou compared with the California median for emergency medicine physicians, 2024

  • Dr. Van Groenou
  • California median
Medicare services
335vs 26526% above
Medicare patients
241vs 243Close to median
Part D claims
218vs 623.5 times

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Van Groenou'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. Van Groenou

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

Dr. Aneema A. Van Groenou treated 241 Medicare patients in 2024, average age 73

CMS counts 241 Medicare patients who saw Dr. Van Groenou in 2024. The largest group is 65 to 74, with 101 patients. 67% of them have high blood pressure, and 65% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Van Groenou's median patient age at 43, with 59% women.

Medicare patients, 2024241
Average age73
Average risk score1.03
Also on Medicaid23%

Dr. Van Groenou's Medicare patients by age, 2024

Dr. Van Groenou's Medicare patients by sex, 2024

  • Women15564%
  • Men8636%

Chronic conditions among Dr. Van Groenou's Medicare patients, 2024

  1. High blood pressure67%
  2. High cholesterol65%
  3. Arthritis42%
  4. Diabetes32%
  5. Anxiety24%
  6. Mood disorders21%
  7. Chronic kidney disease20%
  8. Depression19%

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

Dr. Van Groenou's patients across all payers

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

Patient panel by age, all payers

Median age 43

Patient panel by sex, all payers

  • Women59%
  • Men36%

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

Dr. Aneema A. Van Groenou wrote 318 Medicare Part D claims in 2024

In 2024, Dr. Van Groenou wrote 318 Medicare Part D claims for 187 patients. 95% of them were for generic drugs. CMS names the drug for 218 of them, across 9 drugs with 11 or more claims each, at $1,751 in total drug cost. In 2023, CMS named 104 claims across 6 drugs.

Part D claims, 2024318
Drugs named by CMS9
Total drug cost$1,751
Part D patients187

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

  • Generic301 claims95%
  • Brand-name17 claims5%

Dr. Van Groenou'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. Van Groenou's Part D claims, 2024

  • Antibiotics43%137 of 318 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: 1042024: 218110%

Drugs named by CMS: 9 in 2024, 6 in 2023.

See all prescribing by Dr. Van Groenou

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. Aneema A. Van Groenou offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Aneema A. Van Groenou has 2 publications on record

Dmand AI links 2 papers to Dr. Van Groenou in 2006.

Papers2

Recent publications by Dr. Van Groenou

See all 2 publications and co-authors

See who Dr. Van Groenou researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Van Groenou works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

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

Dr. Aneema A. Van Groenou graduated from Wayne State University School Of Medicine

Dr. Van Groenou graduated from Wayne State University School Of Medicine in 1999.

  1. Medical schoolWayne State University School Of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Aneema A. Van Groenou accepts plans from 11 insurance carriers

Dr. Van Groenou is in network with 11 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • United Healthcare
  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +3 more carriersWith a free account

Plan types Dr. Van Groenou accepts, by number of carriers

  1. PPO7
  2. HMO6
  3. EPO3
  4. Medicare2
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Aneema A. Van Groenou'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Aneema A. Van Groenou

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. Aneema A. Van Groenou's NPI number?

Dr. Aneema A. Van Groenou's NPI number is 1770668436. It was assigned on October 25, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Aneema A. Van Groenou?

Dr. Aneema A. Van Groenou is an emergency medicine physician in Castro Valley, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Aneema A. Van Groenou practice?

Dr. Van Groenou practices at 20101 Lake Chabot Rd., 1st Floor, Castro Valley, CA 94546. Dr. Van Groenou's primary practice is Castro Valley Center Imaging in Castro Valley, California. Dmand AI also links Dr. Van Groenou to 2 medical groups and 1 group practice or clinic.

What is Dr. Aneema A. Van Groenou's office phone number?

The practice phone on file for Dr. Van Groenou is (510) 247-6350.

What is Dr. Aneema A. Van Groenou's medical license number?

Dr. Van Groenou holds California license A73192, one of the licenses on file in 2 states.

Which states has Dr. Aneema A. Van Groenou been licensed in?

Dmand AI has state licenses on file for Dr. Van Groenou in California (2000 to 2026) and Colorado (2004 to 2005).

Which hospitals is Dr. Aneema A. Van Groenou affiliated with?

Dr. Van Groenou is affiliated with Fremont Medical Center.

What medical group is Dr. Aneema A. Van Groenou part of?

Dr. Van Groenou is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Van Groenou to 2 more medical groups.

Does Dr. Aneema A. Van Groenou accept Medicare?

Yes. CMS data shows Dr. Van Groenou billed Medicare for 335 services in 2024, and Dr. Van Groenou accepts Medicare assignment.

Does Dr. Aneema A. Van Groenou offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Van Groenou as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Aneema A. Van Groenou see?

CMS counts 241 Medicare patients who saw Dr. Van Groenou in 2024, with an average age of 73.

Is Dr. Aneema A. Van Groenou board certified?

Yes. Dr. Van Groenou is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Aneema A. Van Groenou bill to Medicare?

In 2024, Dr. Van Groenou's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and office visit, new patient (99203).

Where did Dr. Aneema A. Van Groenou go to medical school?

Dr. Van Groenou graduated from Wayne State University School Of Medicine in 1999.

What drugs does Dr. Aneema A. Van Groenou prescribe most?

In 2024 Medicare Part D data, Dr. Van Groenou's most prescribed drugs by claims were Fluticasone Propionate, Doxycycline Hyclate and Sulfamethoxazole-Trimethoprim.

How long has Dr. Aneema A. Van Groenou been practicing?

Dr. Van Groenou graduated from medical school in 1999, 27 years ago.

Does Dr. Aneema A. Van Groenou do research?

Dmand AI links 2 publications to Dr. Van Groenou.

What insurance does Dr. Aneema A. Van Groenou accept?

Dr. Van Groenou is in network with 11 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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