Dr. Charles Sanders Blumberg, MD
- Medicare services, 2024
- 1,604
- Medicare patients, 2024
- 355
- Part D claims, 2024
- 2,984
- Publications
- 2
- Hospital affiliations
- 4
- Practice address
- 101 City Drive South, Orange, CA 92868
- Practice phone
- Call (714) 456-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Blumberg'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. Charles Sanders Blumberg is an internist in Orange, California
Dr. Blumberg practices at UCI Health - Orange in Orange, California, part of UC Irvine.
Dr. Blumberg's NPI, 1225532310, was assigned on March 22, 2018. Dr. Blumberg graduated from The Warren Alpert Medical School of Brown University in 2017. Dr. Blumberg holds California license A164221.
- NPI
- 1225532310NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971835547
- NPI enumeration date
- March 22, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (714) 456-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles Sanders Blumberg practices at UCI Health - Orange in Orange, California
Dr. Blumberg's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.
- UCI Health - Orange101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890
Source: Dmand AI Affiliation Data
Dr. Charles Sanders Blumberg is affiliated with 8 sites of care and 2 medical groups
Dr. Blumberg's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dr. Blumberg is also affiliated with Hoag Hospital Newport Beach. The medical group on file is UCI Health Physicians. Dmand AI also links Dr. Blumberg to 2 more hospitals, 2 group practices and clinics, 2 home health agencies and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Charles Sanders Blumberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blumberg practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Orange | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles Sanders Blumberg is one of 16,751 internists in California
Internal medicine is Dr. Blumberg's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Blumberg is board certified in internal medicine by the American Board of Internal Medicine. Dr. Blumberg is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, acute skin infection, adjustment disease, anxiety, aortic atherosclerois, arthritis and bladder disease among the conditions Dr. Blumberg treats.
Internists near Dr. Blumberg
Counts of internists 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. Charles Sanders Blumberg billed Medicare for 1,604 services in 2024
CMS data shows 1,604 Medicare services from Dr. Blumberg across 12 procedure codes in 2024, for 355 Medicare patients. Medicare paid $101,967 for them. Every service was in an office.
Dr. Blumberg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6772024: 78416%
- Other services
- 2023: 842024: 693725%
- Tests and treatments
- 2023: 1242024: 1272%
Dr. Blumberg compared with the California median for internists, 2024
- Dr. Blumberg
- California median
- Medicare services
- 1,604vs 3614.4 times
- Medicare patients
- 355vs 1512.4 times
- Part D claims
- 2,248vs 4215.3 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Blumberg'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. Blumberg?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Blumberg and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles Sanders Blumberg treated 355 Medicare patients in 2024, average age 73
CMS counts 355 Medicare patients who saw Dr. Blumberg in 2024. The largest group is 65 to 74, with 182 patients. 72% of them have high cholesterol, and 61% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Blumberg's median patient age at 63, with 41% women.
Dr. Blumberg's Medicare patients by age, 2024
Dr. Blumberg's Medicare patients by sex, 2024
- Women15845%
- Men19755%
Chronic conditions among Dr. Blumberg's Medicare patients, 2024
- High cholesterol72%
- High blood pressure61%
- Arthritis46%
- Ischemic heart disease25%
- Anxiety24%
- Mood disorders21%
- Osteoporosis21%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Blumberg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles Sanders Blumberg wrote 2,984 Medicare Part D claims in 2024
In 2024, Dr. Blumberg wrote 2,984 Medicare Part D claims for 363 patients. 86% of them were for generic drugs. CMS names the drug for 2,248 of them, across 68 drugs with 11 or more claims each, at $280,040 in total drug cost. In 2023, CMS named 1,049 claims across 41 drugs.
Dr. Blumberg's Part D claims by kind of drug, 2024
- Generic2,571 claims86%
- Brand-name391 claims13%
- Other22 claims1%
Dr. Blumberg'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. Blumberg's Part D claims, 2024
- Opioids1%42 of 2,984 claims
- Antibiotics2%48 of 2,984 claims
- Antipsychotics, patients 65 and over0%14 of 2,984 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: 1,0492024: 2,248114%
Drugs named by CMS: 68 in 2024, 41 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. Charles Sanders Blumberg offers telehealth to Medicare patients
Dr. Blumberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Blumberg as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 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. Charles Sanders Blumberg has 2 publications on record
Dmand AI links 2 papers to Dr. Blumberg in 2015. Dr. Blumberg's most frequent co-author is Kenneth Williams, MD.
Dr. Blumberg's most frequent co-authors
Recent publications by Dr. Blumberg
See who Dr. Blumberg researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Blumberg works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Charles Sanders Blumberg received $27 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Blumberg from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Alnylam Pharmaceuticals Inc. paid the most, $27.
Companies that paid Dr. Blumberg the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles Sanders Blumberg graduated from The Warren Alpert Medical School of Brown University
Dr. Blumberg graduated from The Warren Alpert Medical School of Brown University in 2017.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Charles Sanders Blumberg accepts plans from 13 insurance carriers
Dr. Blumberg is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Blumberg accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Charles Sanders Blumberg'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Charles Sanders Blumberg
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. Charles Sanders Blumberg's NPI number?
Dr. Charles Sanders Blumberg's NPI number is 1225532310. It was assigned on March 22, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Sanders Blumberg?
Dr. Charles Sanders Blumberg is an internist in Orange, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Charles Sanders Blumberg practice?
Dr. Blumberg practices at 101 City Drive South, Orange, CA 92868. Dr. Blumberg's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Blumberg to 2 hospitals, 2 group practices and clinics, 2 home health agencies and 1 medical group.
What is Dr. Charles Sanders Blumberg's office phone number?
The practice phone on file for Dr. Blumberg is (714) 456-7890.
What is Dr. Charles Sanders Blumberg's medical license number?
Dr. Blumberg holds California license A164221.
Which hospitals is Dr. Charles Sanders Blumberg affiliated with?
Dr. Blumberg practices at UCI Health - Orange in Orange, California. Dr. Blumberg is also affiliated with Hoag Hospital Newport Beach. Dmand AI links Dr. Blumberg to 2 more hospitals.
What medical group is Dr. Charles Sanders Blumberg part of?
Dr. Blumberg is linked to UCI Health Physicians. Dmand AI links Dr. Blumberg to 1 more medical group.
Does Dr. Charles Sanders Blumberg accept Medicare?
Yes. CMS data shows Dr. Blumberg billed Medicare for 1,604 services in 2024, and Dr. Blumberg accepts Medicare assignment.
Does Dr. Charles Sanders Blumberg offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Blumberg as offering telehealth services.
How many Medicare patients does Dr. Charles Sanders Blumberg see?
CMS counts 355 Medicare patients who saw Dr. Blumberg in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Dr. Charles Sanders Blumberg board certified?
Yes. Dr. Blumberg is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Charles Sanders Blumberg bill to Medicare?
In 2024, Dr. Blumberg's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. Charles Sanders Blumberg go to medical school?
Dr. Blumberg graduated from The Warren Alpert Medical School of Brown University in 2017.
What drugs does Dr. Charles Sanders Blumberg prescribe most?
In 2024 Medicare Part D data, Dr. Blumberg's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Charles Sanders Blumberg received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Blumberg from 1 company from 2023 to 2023. The largest total came from Alnylam Pharmaceuticals Inc.
How long has Dr. Charles Sanders Blumberg been practicing?
Dr. Blumberg graduated from medical school in 2017, 9 years ago.
Does Dr. Charles Sanders Blumberg do research?
Dmand AI links 2 publications to Dr. Blumberg.
Who does Dr. Charles Sanders Blumberg publish with?
Dr. Blumberg's most frequent co-authors are Kenneth Williams, MD (1 shared paper).
What insurance does Dr. Charles Sanders Blumberg accept?
Dr. Blumberg is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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