Dr. Rodney E. Grolman, MD
- Medicare services, 2024
- 228
- Medicare patients, 2024
- 168
- Part D claims, 2024
- 22
- Hospital affiliations
- 2
- Industry payments
- $2,018
- Practice address
- 350 Hawthorne Avenue, Oakland, CA 94609
- Practice phone
- Call (510) 655-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grolman's professional email, personal email and mobile number
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Dr. Rodney E. Grolman is a general surgeon in Oakland, California
Dr. Grolman practices at Alta Bates Summit Medical Center in Oakland, California, part of Sutter Health.
Dr. Grolman's NPI, 1457340986, was assigned on October 18, 2005. Dr. Grolman graduated from Ross University School of Medicine in 1998. Dr. Grolman's Washington license number on file is MD60050963.
- NPI
- 1457340986NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971566522
- NPI enumeration date
- October 18, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 655-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rodney E. Grolman practices at Alta Bates Summit Medical Center in Oakland, California
Dr. Grolman's primary practice is Alta Bates Summit Medical Center, at 350 Hawthorne Avenue, Oakland, CA 94609 in Alameda County. The practice phone is (510) 655-4000.
- Alta Bates Summit Medical Center350 Hawthorne Avenue, Oakland, CA 94609 · Alameda CountyPhone(510) 655-4000
Source: Dmand AI Affiliation Data
Dr. Rodney E. Grolman is affiliated with 2 sites of care and 1 medical group
Dr. Grolman's primary practice is Alta Bates Summit Medical Center in Oakland, California, part of Sutter Health. Dr. Grolman is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. The medical group on file is Palo Alto Foundation Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rodney E. Grolman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grolman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alta Bates Summit Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rodney E. Grolman is one of 2,926 general surgeons in California
Surgery is Dr. Grolman's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Grolman is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Grolman's licenses on file in 2 states: Washington and California.
Specialties and state licenses
- Surgery, WashingtonPrimary
- California license
Clinical focus
Dmand AI lists abdominal adhesion surgery, acute gallbladder or bile duct inflammation, appendectomy, colon removal and gallbladder removal among the conditions Dr. Grolman treats.
General surgeons near Dr. Grolman
Counts of general surgeons 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. Rodney E. Grolman billed Medicare for 228 services in 2024
CMS data shows 228 Medicare services from Dr. Grolman across 4 procedure codes in 2024, for 168 Medicare patients. Medicare paid $21,230 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Grolman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1952024: 22817%
Dr. Grolman compared with the California median for general surgeons, 2024
- Dr. Grolman
- California median
- Medicare services
- 228vs 16637% above
- Medicare patients
- 168vs 12139% above
- Part D claims
- 13vs 3462% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Grolman'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grolman and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rodney E. Grolman treated 168 Medicare patients in 2024, average age 75
CMS counts 168 Medicare patients who saw Dr. Grolman in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.35, 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. Grolman's median patient age at 49, with 57% women.
Dr. Grolman's Medicare patients by age, 2024
Dr. Grolman's Medicare patients by sex, 2024
- Women9355%
- Men7545%
Chronic conditions among Dr. Grolman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Arthritis46%
- Chronic kidney disease42%
- Mood disorders42%
- Diabetes39%
- Heart failure39%
- Depression38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grolman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women57%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rodney E. Grolman wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Grolman wrote 22 Medicare Part D claims for 15 patients. 100% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $72 in total drug cost. In 2017, CMS named 17 claims across 1 drug.
Dr. Grolman's most prescribed drugs by claims, 2019
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. Grolman's Part D claims, 2024
- Opioids50%11 of 22 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, 2017 to 2019
- 2017
- 2019
- Claims for drugs CMS names
- 2017: 172019: 1324%
Drugs named by CMS: 1 in 2019, 1 in 2017.
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. Rodney E. Grolman takes part in Medicare
Dr. Grolman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Rodney E. Grolman received $2,018 in industry payments from 2016 to 2023
CMS Open Payments shows 18 general payments to Dr. Grolman from 3 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 62% of the total. Intuitive Surgical, Inc. paid the most, $1,843.
General payments to Dr. Grolman by program year, 2016 to 2023
General payments to Dr. Grolman by kind, 2016 to 2023
- Food and beverage$1,25662%
- Travel and lodging$76238%
Companies that paid Dr. Grolman the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rodney E. Grolman has 1 award and honors on record
Dmand AI lists 1 award for Dr. Grolman.
Awards and honors for Dr. Grolman
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Rodney E. Grolman graduated from Ross University School of Medicine
Dr. Grolman graduated from Ross University School of Medicine in 1998. Dr. Grolman is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Rodney E. Grolman accepts plans from 12 insurance carriers
Dr. Grolman is in network with 12 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Grolman accepts, by number of carriers
- PPO7
- HMO6
- EPO4
- POS4
- Medicare3
Source: Dmand AI Insurance Network Data
Sources for Dr. Rodney E. Grolman'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Rodney E. Grolman
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. Rodney E. Grolman's NPI number?
Dr. Rodney E. Grolman's NPI number is 1457340986. It was assigned on October 18, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Rodney E. Grolman?
Dr. Rodney E. Grolman is a general surgeon in Oakland, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Rodney E. Grolman practice?
Dr. Grolman practices at 350 Hawthorne Avenue, Oakland, CA 94609. Dr. Grolman's primary practice is Alta Bates Summit Medical Center in Oakland, California, part of Sutter Health.
What is Dr. Rodney E. Grolman's office phone number?
The practice phone on file for Dr. Grolman is (510) 655-4000.
What is Dr. Rodney E. Grolman's medical license number?
Dr. Grolman's Washington license number on file is MD60050963, one of the licenses on file in 2 states.
Which states has Dr. Rodney E. Grolman been licensed in?
Dmand AI has state licenses on file for Dr. Grolman in Washington (2008 to 2023) and California (2009 to 2026).
Which hospitals is Dr. Rodney E. Grolman affiliated with?
Dr. Grolman practices at Alta Bates Summit Medical Center in Oakland, California. Dr. Grolman is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus.
What medical group is Dr. Rodney E. Grolman part of?
Dr. Grolman is linked to Palo Alto Foundation Medical Group.
Does Dr. Rodney E. Grolman accept Medicare?
Yes. CMS data shows Dr. Grolman billed Medicare for 228 services in 2024, and Dr. Grolman accepts Medicare assignment.
How many Medicare patients does Dr. Rodney E. Grolman see?
CMS counts 168 Medicare patients who saw Dr. Grolman in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
Is Dr. Rodney E. Grolman board certified?
Yes. Dr. Grolman is board certified in surgery by the American Board of Surgery.
What services does Dr. Rodney E. Grolman bill to Medicare?
In 2024, Dr. Grolman's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99233).
Where did Dr. Rodney E. Grolman go to medical school?
Dr. Grolman graduated from Ross University School of Medicine in 1998.
What drugs does Dr. Rodney E. Grolman prescribe most?
In 2019 Medicare Part D data, Dr. Grolman's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Rodney E. Grolman received payments from drug or device companies?
CMS Open Payments shows $2,018 in general payments to Dr. Grolman from 3 companies from 2016 to 2023. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Rodney E. Grolman been practicing?
Dr. Grolman graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Rodney E. Grolman accept?
Dr. Grolman is in network with 12 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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