David Mark Chaffee

  • Oceanside, CA
  • Family nurse practitioner
NPI1063930915PAC ID3971879206
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Pargol Samani MD Inc

Oceanside, California

See all 3 affiliations

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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 and contact details
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
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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 Inc
    3231 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.

See all 3 affiliations for David Chaffee

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.

EHR by site
SiteEHR vendor and product
Pargol Samani MD IncAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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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, CaliforniaPrimaryLicense 95006786 · taxonomy 363LF0000X

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.

Medicare services, 2024229
Medicare patients177
Paid by Medicare$13,861
Procedure codes3

David Chaffee's Medicare services by type, 2024

  1. Office and hospital visits213
  2. 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.

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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.

Medicare patients, 2024177
Average age75
Average risk score1.15
Also on Medicaid12%

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

  1. High cholesterol73%
  2. High blood pressure63%
  3. Arthritis46%
  4. Diabetes27%
  5. Mood disorders25%
  6. Anxiety22%
  7. Chronic kidney disease21%
  8. 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.

Part D claims, 20241,143
Drugs named by CMS25
Total drug cost$44,806
Part D patients497

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.

See all prescribing by David Chaffee

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)

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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

$1.2Kin total
  • 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.

See all payments to David Chaffee

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for David Mark Chaffee's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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).

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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.

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