Ann Emerg Med
Dr. Aneema A. Van Groenou, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Castro Valley Center Imaging
Mammography / Breast Imaging Center · Castro Valley, California
Find Dr. Van Groenou's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1770668436NPI Registry (opens in a new tab)
- 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
- Get number
- 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 Imaging20101 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.
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.
| Site | EHR vendor and product |
|---|---|
| Castro Valley Center Imaging | Available with a free account |
| +2 more sites and 2 medical groups | Available 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, CaliforniaPrimary
- Colorado license
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.
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.
Need commercial claims for Dr. Van Groenou?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Van Groenou and other emergency medicine physicians in California.
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.
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
- High blood pressure67%
- High cholesterol65%
- Arthritis42%
- Diabetes32%
- Anxiety24%
- Mood disorders21%
- Chronic kidney disease20%
- 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.
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.
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.
Recent publications by Dr. Van Groenou
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.
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.
- Medical school
- Board certified in 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
- PPO7
- HMO6
- EPO3
- Medicare2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Aneema A. Van Groenou's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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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