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Dr. Carl Simpson, MD
NPI1720290711
- Medicare services, 2016
- 93
- Part D claims, 2017
- 14
- Publications
- 2
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 18300 W Roscoe Blvd, Northridge, CA 91325
- Practice phone
- Call (210) 468-0800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Simpson'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. Carl Simpson is a general practice physician in Northridge, California
Dr. Simpson practices in Northridge, California.
Dr. Simpson's NPI, 1720290711, was assigned on May 4, 2007. Dr. Simpson graduated from Wayne State University School Of Medicine in 1983. Dr. Simpson's Texas license number on file is H5361.
NPI and contact details
- NPI
- 1720290711NPI Registry (opens in a new tab)
- NPI enumeration date
- May 4, 2007
- NPI status
- Active
- Practice phone
- (210) 468-0800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Carl Simpson's practice address is in Northridge, California
Dr. Simpson's practice address in the NPI Registry is 18300 W Roscoe Blvd, Northridge, CA 91325, in Los Angeles County. The practice phone is (210) 468-0800.
- NPI Registry address18300 W Roscoe Blvd, Northridge, CA 91325 · Los Angeles CountyPhone(210) 468-0800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Carl Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simpson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Simpson's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carl Simpson is one of 1,526 general practice physicians in California
General practice is Dr. Simpson's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Simpson is board certified in aerospace medicine by the American Board of Preventive Medicine. Dr. Simpson has a license on file in Texas.
Specialties and state licenses
- General practice, TexasPrimary
General practice physicians near Dr. Simpson
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
1,526general practice physicians in California
4general practice physicians in Northridge
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Carl Simpson billed Medicare for 93 services in 2016
CMS data shows 93 Medicare services from Dr. Simpson across 4 procedure codes in 2016. Medicare paid $4,766 for them. Every service was in an office.
Medicare services, 201693
Paid by Medicare$4,766
Procedure codes4
Dr. Simpson's Medicare services by type, 2016
- Office and hospital visits53
- Other services40
Dr. Simpson compared with the California median for general practice physicians, 2016
- Dr. Simpson
- California median
- Medicare services
- 93vs 26265% below
- Part D claims
- 14vs 19293% below
Medians across 1,114 general practice physicians in California with Dmand AI profiles that report each measure.
Dr. Simpson's most billed Medicare procedure codes, 2016
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. Carl Simpson wrote 14 Medicare Part D claims in 2017
In 2017, Dr. Simpson wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $58 in total drug cost. In 2016, CMS named 24 claims across 2 drugs.
Part D claims, 201714
Drugs named by CMS1
Total drug cost$58
Dr. Simpson's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 242017: 1442%
Drugs named by CMS: 1 in 2017, 2 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Carl Simpson has 2 publications on record
Dmand AI links 2 papers to Dr. Simpson in 2016. Dr. Simpson's most frequent co-author is Mark Andrew Fritz, MD.
Papers2
Dr. Simpson's most frequent co-authors
Recent publications by Dr. Simpson
Invest New Drugs
Antineoplastic AgentsDrug Screening Assays, AntitumorMolecular Structure
See who Dr. Simpson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Simpson works with, so you can find a warm path to the right general practice physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Carl Simpson has 1 award and honors on record
Dmand AI lists 1 award for Dr. Simpson, most recently Grand Valley University annual "Distinguished Alumnus" 1997 in 1997.
Awards and honors for Dr. Simpson
- 1997
- Grand Valley University annual "Distinguished Alumnus" 1997
Source: Dmand AI Professional Profile Data
Dr. Carl Simpson graduated from Wayne State University School Of Medicine
Dr. Simpson graduated from Wayne State University School Of Medicine in 1983.
- Medical school
- Board certified in aerospace medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Carl Simpson'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Carl Simpson
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. Carl Simpson's NPI number?
Dr. Carl Simpson's NPI number is 1720290711. It was assigned on May 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Carl Simpson?
Dr. Carl Simpson is a general practice physician in Northridge, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Carl Simpson practice?
Dr. Simpson practices at 18300 W Roscoe Blvd, Northridge, CA 91325.
What is Dr. Carl Simpson's office phone number?
The practice phone on file for Dr. Simpson is (210) 468-0800.
What is Dr. Carl Simpson's medical license number?
Dr. Simpson's Texas license number on file is H5361.
Does Dr. Carl Simpson accept Medicare?
Yes. CMS data shows Dr. Simpson billed Medicare for 93 services in 2016.
Is Dr. Carl Simpson board certified?
Yes. Dr. Simpson is board certified in aerospace medicine by the American Board of Preventive Medicine.
What services does Dr. Carl Simpson bill to Medicare?
In 2016, Dr. Simpson's most billed Medicare services were home visit (99349), medicare service (G0008) and medicare temporary code (Q2037).
Where did Dr. Carl Simpson go to medical school?
Dr. Simpson graduated from Wayne State University School Of Medicine in 1983.
What drugs does Dr. Carl Simpson prescribe most?
In 2017 Medicare Part D data, Dr. Simpson's most prescribed drugs by claims were Metformin HCl.
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How long has Dr. Carl Simpson been practicing?
Dr. Simpson graduated from medical school in 1983, 43 years ago.
Does Dr. Carl Simpson do research?
Dmand AI links 2 publications to Dr. Simpson.
Who does Dr. Carl Simpson publish with?
Dr. Simpson's most frequent co-authors are Mark Andrew Fritz, MD (1 shared paper).
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