Dr. Jennifer Huyen Macewan, MD
- Medicare services, 2024
- 1,705
- Medicare patients, 2024
- 451
- Part D claims, 2024
- 325
- MIPS score, 2024
- 75
- Hospital affiliations
- 2
- Practice address
- 17190 Bernardo Center Drive #100, San Diego, CA 92128
- Practice phone
- Call (858) 485-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Palomar Surgical Center Escondido
Surgery Center - Medicare-Certified · San Diego, California
Find Dr. Macewan'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. Jennifer Huyen Macewan is an otolaryngologist in San Diego, California
Dr. Macewan practices at Palomar Surgical Center Escondido in San Diego, California.
Dr. Macewan's NPI, 1336382019, was assigned on April 11, 2009. Dr. Macewan graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School in 2009. Dr. Macewan's California license number on file is A113181.
- NPI
- 1336382019NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951625029
- NPI enumeration date
- April 11, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 485-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jennifer Huyen Macewan practices at Palomar Surgical Center Escondido in San Diego, California
Dr. Macewan's primary practice is Palomar Surgical Center Escondido, at 17190 Bernardo Center Drive #100, San Diego, CA 92128. The practice phone is (858) 485-1111.
- Palomar Surgical Center Escondido17190 Bernardo Center Drive #100, San Diego, CA 92128Phone(858) 485-1111
Source: Dmand AI Affiliation Data
Dr. Jennifer Huyen Macewan is affiliated with 4 sites of care and 1 medical group
Dr. Macewan's primary practice is Palomar Surgical Center Escondido in San Diego, California. Dr. Macewan is also affiliated with Palomar Medical Center Downtown Escondido. The medical group on file is Rancho Ear, Nose and Throat. Dmand AI also links Dr. Macewan to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jennifer Huyen Macewan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Macewan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Palomar Surgical Center Escondido | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jennifer Huyen Macewan is one of 1,107 otolaryngologists in California
Otolaryngology is Dr. Macewan's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Macewan is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery. Dr. Macewan has a license on file in California.
Specialties and state licenses
- Otolaryngology, CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, chronic ear infection, chronic nasal allergies, chronic sinusitis, ear eustachian tube disorders, ear infection, endoscopic sinus surgery and hearing loss and impairment among the conditions Dr. Macewan treats.
Otolaryngologists near Dr. Macewan
Counts of otolaryngologists 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. Jennifer Huyen Macewan billed Medicare for 1,705 services in 2024
CMS data shows 1,705 Medicare services from Dr. Macewan across 13 procedure codes in 2024, for 451 Medicare patients. Medicare paid $105,068 for them. Every service was in an office.
Dr. Macewan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8202024: 74210%
- Tests and treatments
- 2023: 8142024: 7379%
- Surgery
- 2023: 2332024: 2263%
- Imaging
- 2023: 132024: 0100%
Dr. Macewan compared with the California median for otolaryngologists, 2024
- Dr. Macewan
- California median
- Medicare services
- 1,705vs 6662.6 times
- Medicare patients
- 451vs 29652% above
- Part D claims
- 216vs 11883% above
Medians across 1,045 otolaryngologists in California with Dmand AI profiles that report each measure.
Dr. Macewan'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Macewan and other otolaryngologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jennifer Huyen Macewan treated 451 Medicare patients in 2024, average age 77
CMS counts 451 Medicare patients who saw Dr. Macewan in 2024. The largest group is 65 to 74, with 186 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Macewan's median patient age at 66, with 56% women.
Dr. Macewan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Macewan's Medicare patients by sex, 2024
- Women25857%
- Men19343%
Chronic conditions among Dr. Macewan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis48%
- Diabetes21%
- Anxiety20%
- Mood disorders20%
- Osteoporosis20%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Macewan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jennifer Huyen Macewan wrote 325 Medicare Part D claims in 2024
In 2024, Dr. Macewan wrote 325 Medicare Part D claims for 147 patients. 98% of them were for generic drugs. CMS names the drug for 216 of them, across 9 drugs with 11 or more claims each, at $4,083 in total drug cost. In 2023, CMS named 217 claims across 10 drugs.
Dr. Macewan's Part D claims by kind of drug, 2024
- Generic320 claims98%
- Brand-name and other5 claims2%
Dr. Macewan'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 Dr. Macewan's Part D claims, 2024
- Opioids3%11 of 325 claims
- Antibiotics13%42 of 325 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: 2172024: 216No change
Drugs named by CMS: 9 in 2024, 10 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. Jennifer Huyen Macewan scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Macewan for performance year 2024, reported as part of a group. Dr. Macewan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
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. Jennifer Huyen Macewan received $2,451 in industry payments from 2017 to 2025
CMS Open Payments shows 64 general payments to Dr. Macewan from 25 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Neurent Medical Limited paid the most, $369.
General payments to Dr. Macewan by program year, 2017 to 2025
Companies that paid Dr. Macewan the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jennifer Huyen Macewan has 1 award and honors on record
Dmand AI lists 1 award for Dr. Macewan.
Awards and honors for Dr. Macewan
- Undated
- AAO-HNS Fellow
Source: Dmand AI Professional Profile Data
Dr. Jennifer Huyen Macewan graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School
Dr. Macewan graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School in 2009. Dr. Macewan is a member of NHS.
- Medical school
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Dr. Jennifer Huyen Macewan accepts plans from 14 insurance carriers
Dr. Macewan is in network with 14 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Humana
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Macewan accepts, by number of carriers
- PPO10
- Medicare7
- HMO6
- EPO4
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Jennifer Huyen Macewan'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) |
| 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. Jennifer Huyen Macewan
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. Jennifer Huyen Macewan's NPI number?
Dr. Jennifer Huyen Macewan's NPI number is 1336382019. It was assigned on April 11, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer Huyen Macewan?
Dr. Jennifer Huyen Macewan is an otolaryngologist in San Diego, California. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Jennifer Huyen Macewan practice?
Dr. Macewan practices at 17190 Bernardo Center Drive #100, San Diego, CA 92128. Dr. Macewan's primary practice is Palomar Surgical Center Escondido in San Diego, California. Dmand AI also links Dr. Macewan to 1 hospital and 1 group practice or clinic.
What is Dr. Jennifer Huyen Macewan's office phone number?
The practice phone on file for Dr. Macewan is (858) 485-1111.
What is Dr. Jennifer Huyen Macewan's medical license number?
Dr. Macewan's California license number on file is A113181.
Which hospitals is Dr. Jennifer Huyen Macewan affiliated with?
Dr. Macewan is affiliated with Palomar Medical Center Downtown Escondido. Dmand AI links Dr. Macewan to 1 more hospital.
What medical group is Dr. Jennifer Huyen Macewan part of?
Dr. Macewan is linked to Rancho Ear, Nose and Throat.
Does Dr. Jennifer Huyen Macewan accept Medicare?
Yes. CMS data shows Dr. Macewan billed Medicare for 1,705 services in 2024, and Dr. Macewan accepts Medicare assignment.
What is Dr. Jennifer Huyen Macewan's MIPS score?
Dr. Macewan's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jennifer Huyen Macewan see?
CMS counts 451 Medicare patients who saw Dr. Macewan in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Jennifer Huyen Macewan board certified?
Yes. Dr. Macewan is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery.
What services does Dr. Jennifer Huyen Macewan bill to Medicare?
In 2024, Dr. Macewan's most billed Medicare services were office visit, established patient (99214), ear, nose and throat service (92557) and ear, nose and throat service (92567).
Where did Dr. Jennifer Huyen Macewan go to medical school?
Dr. Macewan graduated from Macon & Joan Brock Virginia Health Sciences Eastern Virginia Medical School in 2009.
What drugs does Dr. Jennifer Huyen Macewan prescribe most?
In 2024 Medicare Part D data, Dr. Macewan's most prescribed drugs by claims were Fluticasone Propionate, Omeprazole and Azelastine HCl.
Has Dr. Jennifer Huyen Macewan received payments from drug or device companies?
CMS Open Payments shows $2,451 in general payments to Dr. Macewan from 25 companies from 2017 to 2025. The largest total came from Neurent Medical Limited.
How long has Dr. Jennifer Huyen Macewan been practicing?
Dr. Macewan graduated from medical school in 2009, 17 years ago.
What insurance does Dr. Jennifer Huyen Macewan accept?
Dr. Macewan is in network with 14 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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