David Mark Chaffee
- Medicare services, 2024
- 229
- Medicare patients, 2024
- 177
- Part D claims, 2024
- 1,143
- Industry payments
- $1,160
- Affiliated sites
- 1
- Practice address
- 3231 Waring Ct, Oceanside, CA 92056
- Practice phone
- Call (619) 703-7220
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pargol Samani MD Inc
Oceanside, California
Find David Chaffee'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.
David Mark Chaffee is a family nurse practitioner in Oceanside, California
David Chaffee practices at Pargol Samani MD Inc in Oceanside, California.
David Chaffee's NPI, 1063930915, was assigned on August 30, 2017. David Chaffee holds California license 95006786.
- NPI
- 1063930915NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971879206
- NPI enumeration date
- August 30, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (619) 703-7220
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
David Mark Chaffee practices at Pargol Samani MD Inc in Oceanside, California
David Chaffee's primary practice is Pargol Samani MD Inc, at 3231 Waring Ct, Oceanside, CA 92056 in San Diego County. The practice phone is (619) 703-7220.
- Pargol Samani MD Inc3231 Waring Ct, Oceanside, CA 92056 · San Diego CountyPhone(619) 703-7220
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David Mark Chaffee is affiliated with 2 sites of care and 1 medical group
David Chaffee's primary practice is Pargol Samani MD Inc in Oceanside, California. The medical group on file is San Diego County Cardiology. Dmand AI also links David Chaffee to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David Mark Chaffee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Chaffee practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pargol Samani MD Inc | Available with a free account |
| +1 more affiliated site | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
David Mark Chaffee is one of 13,532 family nurse practitioners in California
Family is David Chaffee's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. David Chaffee is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, adjustment disease, alzheimer's disease, ankle or foot injury, chronic diabetes, ear infection, eyelid inflammation and high cholesterol among the conditions David Chaffee treats.
Family nurse practitioners near David Chaffee
Counts of family nurse practitioners 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
David Mark Chaffee billed Medicare for 229 services in 2024
CMS data shows 229 Medicare services from David Chaffee across 3 procedure codes in 2024, for 177 Medicare patients. Medicare paid $13,861 for them. Every service was in an office.
David Chaffee's Medicare services by type, 2024
- Office and hospital visits213
- Other services16
David Chaffee compared with the California median for family nurse practitioners, 2024
- David Chaffee
- California median
- Medicare services
- 229vs 234Close to median
- Medicare patients
- 177vs 9097% above
- Part D claims
- 633vs 36076% above
Medians across 6,382 family nurse practitioners in California with Dmand AI profiles that report each measure.
David Chaffee'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 David Chaffee?
Medicare shows one payer. Book a meeting to get commercial claims data for David Chaffee and other family nurse practitioners in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
David Mark Chaffee treated 177 Medicare patients in 2024, average age 75
CMS counts 177 Medicare patients who saw David Chaffee in 2024. The largest group is 65 to 74, with 84 patients. 73% of them have high cholesterol, and 63% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts David Chaffee's median patient age at 69, with 59% women.
David Chaffee's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
David Chaffee's Medicare patients by sex, 2024
- Women10760%
- Men7040%
Chronic conditions among David Chaffee's Medicare patients, 2024
- High cholesterol73%
- High blood pressure63%
- Arthritis46%
- Diabetes27%
- Mood disorders25%
- Anxiety22%
- Chronic kidney disease21%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
David Chaffee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David Mark Chaffee wrote 1,143 Medicare Part D claims in 2024
In 2024, David Chaffee wrote 1,143 Medicare Part D claims for 497 patients. 87% of them were for generic drugs. CMS names the drug for 633 of them, across 25 drugs with 11 or more claims each, at $44,806 in total drug cost.
David Chaffee's Part D claims by kind of drug, 2024
- Generic1,000 claims87%
- Brand-name and other143 claims13%
David Chaffee'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 David Chaffee's Part D claims, 2024
- Opioids1%17 of 1,143 claims
- Antibiotics7%78 of 1,143 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
David Mark Chaffee offers telehealth to Medicare patients
David Chaffee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists David Chaffee as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
David Mark Chaffee received $1,160 in industry payments from 2024 to 2025
CMS Open Payments shows 47 general payments to David Chaffee from 18 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 93% of the total. Medtronic, Inc. paid the most, $255.
General payments to David Chaffee by program year, 2024 to 2025
General payments to David Chaffee by kind, 2024 to 2025
- Food and beverage$1,08093%
- Education$807%
Companies that paid David Chaffee the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for David Mark Chaffee'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 David Mark Chaffee
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David Mark Chaffee's NPI number?
David Mark Chaffee's NPI number is 1063930915. It was assigned on August 30, 2017, and it is active in the NPI Registry.
What does David Mark Chaffee specialize in?
David Mark Chaffee is a family nurse practitioner in Oceanside, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does David Mark Chaffee practice?
David Chaffee practices at 3231 Waring Ct, Oceanside, CA 92056. David Chaffee's primary practice is Pargol Samani MD Inc in Oceanside, California. Dmand AI also links David Chaffee to 1 group practice or clinic.
What is David Mark Chaffee's office phone number?
The practice phone on file for David Chaffee is (619) 703-7220.
What is David Mark Chaffee's medical license number?
David Chaffee holds California license 95006786.
What medical group is David Mark Chaffee part of?
David Chaffee is linked to San Diego County Cardiology.
Does David Mark Chaffee accept Medicare?
Yes. CMS data shows David Chaffee billed Medicare for 229 services in 2024, and David Chaffee accepts Medicare assignment.
Does David Mark Chaffee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists David Chaffee as offering telehealth services.
How many Medicare patients does David Mark Chaffee see?
CMS counts 177 Medicare patients who saw David Chaffee in 2024, with an average age of 75.
What services does David Mark Chaffee bill to Medicare?
In 2024, David Chaffee's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).
Show 3 more questionsShow fewer questions
What drugs does David Mark Chaffee prescribe most?
In 2024 Medicare Part D data, David Chaffee's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has David Mark Chaffee received payments from drug or device companies?
CMS Open Payments shows $1,160 in general payments to David Chaffee from 18 companies from 2024 to 2025. The largest total came from Medtronic, Inc.
How long has David Mark Chaffee been practicing?
David Chaffee graduated from medical school in 2017, 9 years ago.
Selling to family practices?
See family nurse practitioners in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card