Dr. David C. Parris, MD
- Medicare services, 2024
- 324
- Medicare patients, 2024
- 96
- Part D claims, 2024
- 3,358
- Publications
- 3
- MIPS score, 2024
- 81
- Practice address
- 8510 N Balboa Blvd, Northridge, CA 91325
- Practice phone
- Call (818) 637-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lakeside Community Healthcare
Urgent Care Center · Northridge, California
Find Dr. Parris' 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. David C. Parris is an internist in Northridge, California
Dr. Parris practices at Lakeside Community Healthcare in Northridge, California.
Dr. Parris' NPI, 1154403921, was assigned on October 20, 2006. Dr. Parris graduated from University Cath De Louvain in 1979. Dr. Parris holds California license A35708.
- NPI
- 1154403921NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436214970
- NPI enumeration date
- October 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 637-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David C. Parris practices at Lakeside Community Healthcare in Northridge, California
Dr. Parris' primary practice is Lakeside Community Healthcare, at 8510 N Balboa Blvd, Northridge, CA 91325. The practice phone is (818) 637-2000.
- Lakeside Community Healthcare8510 N Balboa Blvd, Northridge, CA 91325Phone(818) 637-2000
Source: Dmand AI Affiliation Data
Dr. David C. Parris is affiliated with 2 sites of care and 3 medical groups
Dr. Parris' primary practice is Lakeside Community Healthcare in Northridge, California. The medical group on file is Lakeside Community Healthcare. Dmand AI also links Dr. Parris to 2 more medical groups and 1 group practice or clinic, each named with a free account. Dr. Parris' employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David C. Parris' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parris practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lakeside Community Healthcare | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David C. Parris is one of 16,751 internists in California
Internal medicine is Dr. Parris' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Parris is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Parris' licenses on file in 2 states: California and Ohio.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Ohio license
Clinical focus
Dmand AI lists bipolar disorder, chest wall injury, chronic hypertension, chronic kidney disease, chronic obstructive pulmonary disease (COPD), cold sores or genital herpes, diabetic emergency and high cholesterol among the conditions Dr. Parris treats.
Internists near Dr. Parris
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. David C. Parris billed Medicare for 324 services in 2024
CMS data shows 324 Medicare services from Dr. Parris across 6 procedure codes in 2024, for 96 Medicare patients. Medicare paid $14,545 for them. Every service was in an office.
Dr. Parris' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1102024: 15642%
- Other services
- 2023: 122024: 1451108%
- Tests and treatments
- 2023: 02024: 23
Dr. Parris compared with the California median for internists, 2024
- Dr. Parris
- California median
- Medicare services
- 324vs 36110% below
- Medicare patients
- 96vs 15136% below
- Part D claims
- 2,796vs 4216.6 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Parris' 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. Parris?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parris and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David C. Parris treated 96 Medicare patients in 2024, average age 72
CMS counts 96 Medicare patients who saw Dr. Parris in 2024. The largest group is 65 to 74, with 54 patients. 65% of them have high blood pressure, and 58% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Parris' median patient age at 64, with 52% women.
Dr. Parris' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Parris' Medicare patients by sex, 2024
- Women4446%
- Men5254%
Chronic conditions among Dr. Parris' Medicare patients, 2024
- High blood pressure65%
- High cholesterol58%
- Arthritis41%
- Diabetes26%
- Chronic kidney disease17%
- Mood disorders17%
- Depression15%
- Ischemic heart disease14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parris' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David C. Parris wrote 3,358 Medicare Part D claims in 2024
In 2024, Dr. Parris wrote 3,358 Medicare Part D claims for 423 patients. 88% of them were for generic drugs. CMS names the drug for 2,796 of them, across 88 drugs with 11 or more claims each, at $171,816 in total drug cost. In 2023, CMS named 1,925 claims across 65 drugs.
Dr. Parris' Part D claims by kind of drug, 2024
- Generic2,946 claims88%
- Brand-name395 claims12%
- Other17 claims1%
Dr. Parris' 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. Parris' Part D claims, 2024
- Opioids3%98 of 3,358 claims
- Antibiotics5%155 of 3,358 claims
- Antipsychotics, patients 65 and over0%14 of 3,358 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: 1,9252024: 2,79645%
Drugs named by CMS: 88 in 2024, 65 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. David C. Parris scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Parris for performance year 2024, reported as part of a group. Dr. Parris accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Parris' MIPS scores, performance year 2024
- 81of 100Final score
- 62.4of 100Quality
- 76of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. David C. Parris has 3 publications on record
Dmand AI links 3 papers to Dr. Parris, published from 2017 to 2021. Dr. Parris' most frequent co-authors are Jonathan T. Bradley, MD, Ian Richard Carroll, MD and Nancy Jane Fischbein, MD.
Dr. Parris' most frequent co-authors
- Jonathan T. Bradley, MD1 shared paper
- Ian Richard Carroll, MD1 shared paper
- Nancy Jane Fischbein, MD1 shared paper
Recent publications by Dr. Parris
J Allergy Clin Immunol Pract
See who Dr. Parris researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Parris 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. David C. Parris received $7,128 in industry payments from 2016 to 2025
CMS Open Payments shows 501 general payments to Dr. Parris from 51 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $886.
General payments to Dr. Parris by program year, 2016 to 2025
General payments to Dr. Parris by kind, 2016 to 2025
- Food and beverage$7,095100%
- Education$330%
Companies that paid Dr. Parris 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. David C. Parris has 1 award and honors on record
Dmand AI lists 1 award for Dr. Parris, most recently NCQA DRP in 2015.
Awards and honors for Dr. Parris
- 2015
- NCQA DRP
Source: Dmand AI Professional Profile Data
Dr. David C. Parris graduated from University Cath De Louvain
Dr. Parris graduated from University Cath De Louvain in 1979. Dr. Parris is a member of ACP.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. David C. Parris accepts plans from 10 insurance carriers
Dr. Parris is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- Humana
- Blue Cross Blue Shield of Massachusetts
- CareSource
- HCSC
- Molina
- +2 more carriersWith a free account
Plan types Dr. Parris accepts, by number of carriers
- Medicare10
- PPO7
- HMO5
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. David C. Parris'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) |
| 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) |
| 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. David C. Parris
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. David C. Parris' NPI number?
Dr. David C. Parris' NPI number is 1154403921. It was assigned on October 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David C. Parris?
Dr. David C. Parris is an internist in Northridge, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David C. Parris practice?
Dr. Parris practices at 8510 N Balboa Blvd, Northridge, CA 91325. Dr. Parris' primary practice is Lakeside Community Healthcare in Northridge, California. Dmand AI also links Dr. Parris to 2 medical groups and 1 group practice or clinic.
What is Dr. David C. Parris' office phone number?
The practice phone on file for Dr. Parris is (818) 637-2000.
What is Dr. David C. Parris' medical license number?
Dr. Parris holds California license A35708, one of the licenses on file in 2 states.
Which states has Dr. David C. Parris been licensed in?
Dmand AI has state licenses on file for Dr. Parris in California (1980 to 2026) and Ohio (1994 to 2026).
What medical group is Dr. David C. Parris part of?
Dr. Parris is linked to Lakeside Community Healthcare. Dmand AI links Dr. Parris to 2 more medical groups.
Does Dr. David C. Parris accept Medicare?
Yes. CMS data shows Dr. Parris billed Medicare for 324 services in 2024, and Dr. Parris accepts Medicare assignment.
What is Dr. David C. Parris' MIPS score?
Dr. Parris' MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. David C. Parris see?
CMS counts 96 Medicare patients who saw Dr. Parris in 2024, with an average age of 72.
Show 9 more questionsShow fewer questions
Is Dr. David C. Parris board certified?
Yes. Dr. Parris is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. David C. Parris bill to Medicare?
In 2024, Dr. Parris' most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. David C. Parris go to medical school?
Dr. Parris graduated from University Cath De Louvain in 1979.
What drugs does Dr. David C. Parris prescribe most?
In 2024 Medicare Part D data, Dr. Parris' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. David C. Parris received payments from drug or device companies?
CMS Open Payments shows $7,128 in general payments to Dr. Parris from 51 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. David C. Parris been practicing?
Dr. Parris graduated from medical school in 1979, 47 years ago.
Does Dr. David C. Parris do research?
Dmand AI links 3 publications to Dr. Parris, published from 2017 to 2021.
Who does Dr. David C. Parris publish with?
Dr. Parris' most frequent co-authors are Jonathan T. Bradley, MD (1 shared paper), Ian Richard Carroll, MD (1 shared paper) and Nancy Jane Fischbein, MD (1 shared paper).
What insurance does Dr. David C. Parris accept?
Dr. Parris is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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