Dr. Rolando G. Simeon, MD
- Medicare services, 2024
- 213
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 105
- MIPS score, 2024
- 96
- Hospital affiliations
- 3
- Practice address
- 975 S Fairmont Avenue, Lodi, CA 95240
- Practice phone
- Call (209) 334-3411
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Simeon'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. Rolando G. Simeon is a general surgeon in Lodi, California
Dr. Simeon practices at Adventist Health Lodi Memorial in Lodi, California, part of Adventist Health.
Dr. Simeon's NPI, 1457344293, was assigned on August 26, 2005. Dr. Simeon graduated from University of the Philippines College of Medicine in 1974. Dr. Simeon holds California license A35527.
- NPI
- 1457344293NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709046519
- NPI enumeration date
- August 26, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 334-3411
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rolando G. Simeon practices at Adventist Health Lodi Memorial in Lodi, California
Dr. Simeon's primary practice is Adventist Health Lodi Memorial, at 975 S Fairmont Avenue, Lodi, CA 95240 in San Joaquin County. The practice phone is (209) 334-3411.
- Adventist Health Lodi Memorial975 S Fairmont Avenue, Lodi, CA 95240 · San Joaquin CountyPhone(209) 334-3411
Source: Dmand AI Affiliation Data
Dr. Rolando G. Simeon is affiliated with 4 sites of care and 1 medical group
Dr. Simeon's primary practice is Adventist Health Lodi Memorial in Lodi, California, part of Adventist Health. Dr. Simeon is also affiliated with Dignity Health - St. Joseph's Medical Center. The medical group on file is Adventist Health Lodi Memorial. Dmand AI also links Dr. Simeon to 1 more hospital and 1 home health agency, each named with a free account. Dr. Simeon's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rolando G. Simeon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simeon practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Lodi Memorial | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rolando G. Simeon is one of 2,926 general surgeons in California
Surgery is Dr. Simeon's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Simeon is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, amputation, appendectomy, colon removal, gallbladder removal, groin hernia surgery and hemorrhoids among the conditions Dr. Simeon treats.
General surgeons near Dr. Simeon
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. Rolando G. Simeon billed Medicare for 213 services in 2024
CMS data shows 213 Medicare services from Dr. Simeon across 2 procedure codes in 2024, for 33 Medicare patients. Medicare paid $6,198 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Simeon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1622024: 18112%
- Surgery
- 2023: 672024: 3252%
- Office and hospital visits
- 2023: 2852024: 0100%
Dr. Simeon compared with the California median for general surgeons, 2024
- Dr. Simeon
- California median
- Medicare services
- 213vs 16628% above
- Medicare patients
- 33vs 12173% below
- Part D claims
- 40vs 3418% above
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Simeon'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rolando G. Simeon treated 33 Medicare patients in 2024, average age 73
CMS counts 33 Medicare patients who saw Dr. Simeon in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.47, 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. Simeon's median patient age at 66, with 45% women.
Dr. Simeon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Simeon's Medicare patients by sex, 2024
- Women1545%
- Men1855%
Chronic conditions among Dr. Simeon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes48%
- Chronic kidney disease42%
- Depression33%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simeon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rolando G. Simeon wrote 105 Medicare Part D claims in 2024
In 2024, Dr. Simeon wrote 105 Medicare Part D claims for 21 patients. 88% of them were for generic drugs. CMS names the drug for 40 of them, across 2 drugs with 11 or more claims each, at $128 in total drug cost. In 2023, CMS named 142 claims across 7 drugs.
Dr. Simeon's Part D claims by kind of drug, 2024
- Generic92 claims88%
- Brand-name13 claims12%
Dr. Simeon'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. Simeon's Part D claims, 2024
- Antibiotics74%78 of 105 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: 1422024: 4072%
Drugs named by CMS: 2 in 2024, 7 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. Rolando G. Simeon scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Simeon for performance year 2024, reported through an alternative payment model (APM). Dr. Simeon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 506 procedures of removal of tissue by Dr. Simeon, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Simeon's MIPS scores, performance year 2024
- 96of 100Final score
- 81.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Simeon ranks in Medicare procedure volume
- Removal of tissue
- 97th percentile506 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Rolando G. Simeon received $7,279 in industry payments from 2016 to 2025
CMS Open Payments shows 219 general payments to Dr. Simeon from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. TissueTech, Inc. paid the most, $2,616.
General payments to Dr. Simeon by program year, 2016 to 2025
Companies that paid Dr. Simeon the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rolando G. Simeon graduated from University of the Philippines College of Medicine
Dr. Simeon graduated from University of the Philippines College of Medicine in 1974.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Rolando G. Simeon accepts plans from 11 insurance carriers
Dr. Simeon is in network with 11 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +3 more carriersWith a free account
Plan types Dr. Simeon accepts, by number of carriers
- Medicare8
- PPO6
- HMO4
- POS3
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Rolando G. Simeon'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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. Rolando G. Simeon
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. Rolando G. Simeon's NPI number?
Dr. Rolando G. Simeon's NPI number is 1457344293. It was assigned on August 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Rolando G. Simeon?
Dr. Rolando G. Simeon is a general surgeon in Lodi, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Rolando G. Simeon practice?
Dr. Simeon practices at 975 S Fairmont Avenue, Lodi, CA 95240. Dr. Simeon's primary practice is Adventist Health Lodi Memorial in Lodi, California, part of Adventist Health. Dmand AI also links Dr. Simeon to 1 hospital and 1 home health agency.
What is Dr. Rolando G. Simeon's office phone number?
The practice phone on file for Dr. Simeon is (209) 334-3411.
What is Dr. Rolando G. Simeon's medical license number?
Dr. Simeon holds California license A35527.
Which hospitals is Dr. Rolando G. Simeon affiliated with?
Dr. Simeon practices at Adventist Health Lodi Memorial in Lodi, California. Dr. Simeon is also affiliated with Dignity Health - St. Joseph's Medical Center. Dmand AI links Dr. Simeon to 1 more hospital.
What medical group is Dr. Rolando G. Simeon part of?
Dr. Simeon is linked to Adventist Health Lodi Memorial.
Does Dr. Rolando G. Simeon accept Medicare?
Yes. CMS data shows Dr. Simeon billed Medicare for 213 services in 2024, and Dr. Simeon accepts Medicare assignment.
What is Dr. Rolando G. Simeon's MIPS score?
Dr. Simeon's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Rolando G. Simeon see?
CMS counts 33 Medicare patients who saw Dr. Simeon in 2024, with an average age of 73.
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What services does Dr. Rolando G. Simeon bill to Medicare?
In 2024, Dr. Simeon's most billed Medicare services were physical therapy and rehabilitation (97597) and surgery: skin and soft tissue (11042).
Where did Dr. Rolando G. Simeon go to medical school?
Dr. Simeon graduated from University of the Philippines College of Medicine in 1974.
What drugs does Dr. Rolando G. Simeon prescribe most?
In 2024 Medicare Part D data, Dr. Simeon's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim and Doxycycline Hyclate.
Has Dr. Rolando G. Simeon received payments from drug or device companies?
CMS Open Payments shows $7,279 in general payments to Dr. Simeon from 29 companies from 2016 to 2025. The largest total came from TissueTech, Inc.
How long has Dr. Rolando G. Simeon been practicing?
Dr. Simeon graduated from medical school in 1974, 52 years ago.
What insurance does Dr. Rolando G. Simeon accept?
Dr. Simeon is in network with 11 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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