Rebecca Lynn Mackowski, ARNP
- Medicare services, 2024
- 1,264
- Medicare patients, 2024
- 219
- Part D claims, 2024
- 1,169
- Industry payments
- $185
- Affiliated sites
- 4
- Practice address
- 8511 N Fallbrook Ave, West Hills, CA 91304
- Practice phone
- Call (865) 693-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CA Pacs 2 Medical Group Inc
West Hills, California
Find Rebecca Mackowski'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.
Rebecca Lynn Mackowski is a nurse practitioner in West Hills, California
Rebecca Mackowski practices at CA Pacs 2 Medical Group Inc in West Hills, California.
Rebecca Mackowski's NPI, 1871996835, was assigned on October 6, 2014. Rebecca Mackowski graduated from Bennett Medical School in 2014. Rebecca Mackowski holds Florida license ARNP9298437.
- NPI
- 1871996835NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921320094
- NPI enumeration date
- October 6, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 693-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Rebecca Lynn Mackowski practices at CA Pacs 2 Medical Group Inc in West Hills, California
Rebecca Mackowski's primary practice is CA Pacs 2 Medical Group Inc, at 8511 N Fallbrook Ave, West Hills, CA 91304 in Los Angeles County. The practice phone is (865) 693-1000.
- CA Pacs 2 Medical Group Inc8511 N Fallbrook Ave, West Hills, CA 91304 · Los Angeles CountyPhone(865) 693-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Rebecca Lynn Mackowski is affiliated with 5 sites of care and 4 medical groups
Rebecca Mackowski's primary practice is CA Pacs 2 Medical Group Inc in West Hills, California. The medical group on file is California Post-Acute Medical Group 1. Dmand AI also links Rebecca Mackowski to 4 more group practices and clinics and 3 medical groups, each 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 Rebecca Lynn Mackowski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rebecca Mackowski practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CA Pacs 2 Medical Group Inc | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Rebecca Lynn Mackowski is one of 5,983 nurse practitioners in California
Nurse practitioner is Rebecca Mackowski's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Rebecca Mackowski is licensed in Florida.
Specialties and state licenses
- Nurse practitioner, FloridaPrimary
Clinical focus
Dmand AI lists anxiety, bladder disease, chronic diabetes, chronic obstructive pulmonary disease (COPD), epilepsy, fibromyalgia and chronic pain, hereditary polyneuropathy and high cholesterol among the conditions Rebecca Mackowski treats.
Nurse practitioners near Rebecca Mackowski
Counts of 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
Rebecca Lynn Mackowski billed Medicare for 1,264 services in 2024
CMS data shows 1,264 Medicare services from Rebecca Mackowski across 4 procedure codes in 2024, for 219 Medicare patients. Medicare paid $80,597 for them.
Where Rebecca Mackowski's Medicare services took place, 2024
- In an office82165%
- In a facility44335%
Rebecca Mackowski compared with the California median for nurse practitioners, 2024
- Rebecca Mackowski
- California median
- Medicare services
- 1,264vs 2794.5 times
- Medicare patients
- 219vs 922.4 times
- Part D claims
- 890vs 3662.4 times
Medians across 3,047 nurse practitioners in California with Dmand AI profiles that report each measure.
Rebecca Mackowski'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
Rebecca Lynn Mackowski treated 219 Medicare patients in 2024, average age 77
CMS counts 219 Medicare patients who saw Rebecca Mackowski in 2024. The largest group is 75 to 84, with 76 patients. 75% of them have depression, and 75% have high blood pressure. 78% are also on Medicaid. Their average risk score is 2.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Rebecca Mackowski's median patient age at 71, with 53% women.
Rebecca Mackowski's Medicare patients by age, 2024
Rebecca Mackowski's Medicare patients by sex, 2024
- Women13863%
- Men8137%
Chronic conditions among Rebecca Mackowski's Medicare patients, 2024
- Depression75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Anxiety71%
- Alzheimer's and dementia65%
- Arthritis54%
- Diabetes53%
Share of Medicare patients with each condition. A patient can have several.
Rebecca Mackowski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Rebecca Lynn Mackowski wrote 1,169 Medicare Part D claims in 2024
In 2024, Rebecca Mackowski wrote 1,169 Medicare Part D claims for 106 patients. 74% of them were for generic drugs. CMS names the drug for 890 of them, across 35 drugs with 11 or more claims each, at $65,851 in total drug cost.
Rebecca Mackowski's Part D claims by kind of drug, 2024
- Generic866 claims74%
- Brand-name303 claims26%
Rebecca Mackowski'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 Rebecca Mackowski's Part D claims, 2024
- Antibiotics3%39 of 1,169 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
How Rebecca Lynn Mackowski takes part in Medicare
Rebecca Mackowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Rebecca Lynn Mackowski received $185 in industry payments in 2024
CMS Open Payments shows 2 general payments to Rebecca Mackowski from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $123.
Companies that paid Rebecca Mackowski the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Rebecca Lynn Mackowski graduated from Bennett Medical School
Rebecca Mackowski graduated from Bennett Medical School in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Rebecca Lynn Mackowski'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) |
| 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 Rebecca Lynn Mackowski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rebecca Lynn Mackowski's NPI number?
Rebecca Lynn Mackowski's NPI number is 1871996835. It was assigned on October 6, 2014, and it is active in the NPI Registry.
What does Rebecca Lynn Mackowski specialize in?
Rebecca Lynn Mackowski is a nurse practitioner in West Hills, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Rebecca Lynn Mackowski practice?
Rebecca Mackowski practices at 8511 N Fallbrook Ave, West Hills, CA 91304. Rebecca Mackowski's primary practice is CA Pacs 2 Medical Group Inc in West Hills, California. Dmand AI also links Rebecca Mackowski to 4 group practices and clinics and 3 medical groups.
What is Rebecca Lynn Mackowski's office phone number?
The practice phone on file for Rebecca Mackowski is (865) 693-1000.
What is Rebecca Lynn Mackowski's medical license number?
Rebecca Mackowski holds Florida license ARNP9298437.
What medical group is Rebecca Lynn Mackowski part of?
Rebecca Mackowski is linked to California Post-Acute Medical Group 1. Dmand AI links Rebecca Mackowski to 3 more medical groups.
Does Rebecca Lynn Mackowski accept Medicare?
Yes. CMS data shows Rebecca Mackowski billed Medicare for 1,264 services in 2024, and Rebecca Mackowski accepts Medicare assignment.
How many Medicare patients does Rebecca Lynn Mackowski see?
CMS counts 219 Medicare patients who saw Rebecca Mackowski in 2024, with an average age of 77.
What services does Rebecca Lynn Mackowski bill to Medicare?
In 2024, Rebecca Mackowski's most billed Medicare services were nursing facility care (99309), nursing facility care (99308) and nursing facility care (99310).
Where did Rebecca Lynn Mackowski go to medical school?
Rebecca Mackowski graduated from Bennett Medical School in 2014.
Show 3 more questionsShow fewer questions
What drugs does Rebecca Lynn Mackowski prescribe most?
In 2024 Medicare Part D data, Rebecca Mackowski's most prescribed drugs by claims were Potassium Chloride, Lactulose and Gabapentin.
Has Rebecca Lynn Mackowski received payments from drug or device companies?
CMS Open Payments shows $185 in general payments to Rebecca Mackowski from 2 companies from 2024 to 2024. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Rebecca Lynn Mackowski been practicing?
Rebecca Mackowski graduated from medical school in 2014, 12 years ago.
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