Dr. George Robert Knull, MD
- Medicare services, 2022
- 19
- Part D claims, 2024
- 777
- Hospital affiliations
- 1
- Industry payments
- $829
- Medical group
- 1
- Practice address
- 2801 Atlantic Ave, Long Beach, CA 90806
- Practice phone
- Call (562) 933-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Knull's professional email, personal email and mobile number
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Dr. George Robert Knull is an emergency medicine physician in Long Beach, California
Dr. Knull practices at Long Beach Medical Center in Long Beach, California, part of MemorialCare Health System.
Dr. Knull's NPI, 1073548764, was assigned on July 11, 2006. Dr. Knull graduated from Ohio State University College of Medicine in 1976. Dr. Knull holds California license G34669.
- NPI
- 1073548764NPI Registry (opens in a new tab)
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Practice phone
- (562) 933-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. George Robert Knull practices at Long Beach Medical Center in Long Beach, California
Dr. Knull's primary practice is Long Beach Medical Center, at 2801 Atlantic Ave, Long Beach, CA 90806 in Los Angeles County. The practice phone is (562) 933-2000.
- Long Beach Medical Center2801 Atlantic Ave, Long Beach, CA 90806 · Los Angeles CountyPhone(562) 933-2000
Source: Dmand AI Affiliation Data
Dr. George Robert Knull is affiliated with 3 sites of care and 1 medical group
Dr. Knull's primary practice is Long Beach Medical Center in Long Beach, California, part of MemorialCare Health System. The medical group on file is Columbia Emergency Medical Group. Dmand AI also links Dr. Knull to 1 more physician office and 1 therapy and rehab clinic, 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. George Robert Knull's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knull practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Long Beach Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. George Robert Knull is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Knull's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Knull is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Knull
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. George Robert Knull billed Medicare for 19 services in 2022
CMS data shows 19 Medicare services from Dr. Knull across 1 procedure code in 2022, all of them office visits. Medicare paid $379 for them. Every service was in an office.
Dr. Knull's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1052022: 1982%
- Other services
- 2021: 142022: 0100%
- Surgery
- 2021: 192022: 0100%
Dr. Knull compared with the California median for emergency medicine physicians, 2022
- Dr. Knull
- California median
- Medicare services
- 19vs 26593% below
- Part D claims
- 527vs 628.5 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Knull's most billed Medicare procedure codes, 2022
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. Knull 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. George Robert Knull's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Knull's median patient age at 55, with 55% women.
Dr. Knull's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. George Robert Knull wrote 777 Medicare Part D claims in 2024
In 2024, Dr. Knull wrote 777 Medicare Part D claims for 51 patients. 76% of them were for generic drugs. CMS names the drug for 527 of them, across 23 drugs with 11 or more claims each, at $79,172 in total drug cost. In 2023, CMS named 428 claims across 18 drugs.
Dr. Knull's Part D claims by kind of drug, 2024
- Generic591 claims76%
- Brand-name171 claims22%
- Other15 claims2%
Dr. Knull'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4282024: 52723%
Drugs named by CMS: 23 in 2024, 18 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
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Dr. George Robert Knull received $829 in industry payments from 2020 to 2024
CMS Open Payments shows 13 general payments to Dr. Knull from 4 drug and device companies from 2020 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $686.
General payments to Dr. Knull by program year, 2020 to 2024
Companies that paid Dr. Knull the most, 2020 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. George Robert Knull graduated from Ohio State University College of Medicine
Dr. Knull graduated from Ohio State University College of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. George Robert Knull'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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. George Robert Knull
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. George Robert Knull's NPI number?
Dr. George Robert Knull's NPI number is 1073548764. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. George Robert Knull?
Dr. George Robert Knull is an emergency medicine physician in Long Beach, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. George Robert Knull practice?
Dr. Knull practices at 2801 Atlantic Ave, Long Beach, CA 90806. Dr. Knull's primary practice is Long Beach Medical Center in Long Beach, California, part of MemorialCare Health System. Dmand AI also links Dr. Knull to 1 physician office and 1 therapy and rehab clinic.
What is Dr. George Robert Knull's office phone number?
The practice phone on file for Dr. Knull is (562) 933-2000.
What is Dr. George Robert Knull's medical license number?
Dr. Knull holds California license G34669.
Which hospitals is Dr. George Robert Knull affiliated with?
Dr. Knull practices at Long Beach Medical Center in Long Beach, California.
What medical group is Dr. George Robert Knull part of?
Dr. Knull is linked to Columbia Emergency Medical Group.
Does Dr. George Robert Knull accept Medicare?
Yes. CMS data shows Dr. Knull billed Medicare for 19 services in 2022.
What services does Dr. George Robert Knull bill to Medicare?
In 2022, Dr. Knull's most billed Medicare services were office visit, established patient (99213).
Where did Dr. George Robert Knull go to medical school?
Dr. Knull graduated from Ohio State University College of Medicine in 1976.
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What drugs does Dr. George Robert Knull prescribe most?
In 2024 Medicare Part D data, Dr. Knull's most prescribed drugs by claims were Metformin HCl, Albuterol Sulfate Hfa and Atorvastatin Calcium.
Has Dr. George Robert Knull received payments from drug or device companies?
CMS Open Payments shows $829 in general payments to Dr. Knull from 4 companies from 2020 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. George Robert Knull been practicing?
Dr. Knull graduated from medical school in 1976, 50 years ago.
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