Annette M. Hollenbeck, NP
- Medicare services, 2024
- 277
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 2,660
- Hospital affiliations
- 1
- Industry payments
- $2,254
- Practice address
- 600 N Mountain Ave, Upland, CA 91786
- Practice phone
- Call (909) 938-2681
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wellfleet Family Medical Inc a Medical Corporation
Upland, California
Find Annette Hollenbeck'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.
Annette M. Hollenbeck is a family nurse practitioner in Upland, California
Annette Hollenbeck practices at Wellfleet Family Medical Inc a Medical Corporation in Upland, California.
Annette Hollenbeck's NPI, 1831366236, was assigned on May 14, 2008. Annette Hollenbeck holds California license 379819.
- NPI
- 1831366236NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032381413
- NPI enumeration date
- May 14, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 938-2681
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Annette M. Hollenbeck practices at Wellfleet Family Medical Inc a Medical Corporation in Upland, California
Annette Hollenbeck's primary practice is Wellfleet Family Medical Inc a Medical Corporation, at 600 N Mountain Ave, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 938-2681.
- Wellfleet Family Medical Inc a Medical Corporation600 N Mountain Ave, Upland, CA 91786 · San Bernardino CountyPhone(909) 938-2681
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Annette M. Hollenbeck is affiliated with 4 sites of care and 1 medical group
Annette Hollenbeck's primary practice is Wellfleet Family Medical Inc a Medical Corporation in Upland, California. Annette Hollenbeck is also affiliated with San Antonio Regional Hospital. The medical group on file is Wellfleet Family Medical. Dmand AI also links Annette Hollenbeck to 1 more physician office and 1 group practice or clinic, 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 Annette M. Hollenbeck's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Annette Hollenbeck practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellfleet Family Medical Inc a Medical Corporation | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Annette M. Hollenbeck is one of 13,532 family nurse practitioners in California
Family is Annette Hollenbeck's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Annette Hollenbeck is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, anxiety, asthma, chronic diabetes, cold sores or genital herpes, fibromyalgia and chronic pain and high cholesterol among the conditions Annette Hollenbeck treats.
Family nurse practitioners near Annette Hollenbeck
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
Annette M. Hollenbeck billed Medicare for 277 services in 2024
CMS data shows 277 Medicare services from Annette Hollenbeck across 4 procedure codes in 2024, for 54 Medicare patients. Medicare paid $23,652 for them. Every service was in an office.
Annette Hollenbeck's Medicare services by type, 2024
- Office and hospital visits236
- Other services41
Annette Hollenbeck compared with the California median for family nurse practitioners, 2024
- Annette Hollenbeck
- California median
- Medicare services
- 277vs 23418% above
- Medicare patients
- 54vs 9040% below
- Part D claims
- 2,076vs 3605.8 times
Medians across 6,382 family nurse practitioners in California with Dmand AI profiles that report each measure.
Annette Hollenbeck'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 Annette Hollenbeck and other family nurse practitioners in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Annette M. Hollenbeck treated 54 Medicare patients in 2024, average age 71
CMS counts 54 Medicare patients who saw Annette Hollenbeck in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Annette Hollenbeck's median patient age at 50, with 72% women.
Annette Hollenbeck's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Annette Hollenbeck's Medicare patients by sex, 2024
- Women3972%
- Men1528%
Chronic conditions among Annette Hollenbeck's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Alzheimer's and dementia57%
- Arthritis41%
- Diabetes28%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Annette Hollenbeck's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women72%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Annette M. Hollenbeck wrote 2,660 Medicare Part D claims in 2024
In 2024, Annette Hollenbeck wrote 2,660 Medicare Part D claims for 166 patients. 87% of them were for generic drugs. CMS names the drug for 2,076 of them, across 69 drugs with 11 or more claims each, at $168,523 in total drug cost.
Annette Hollenbeck's Part D claims by kind of drug, 2024
- Generic2,319 claims87%
- Brand-name312 claims12%
- Other29 claims1%
Annette Hollenbeck'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 Annette Hollenbeck's Part D claims, 2024
- Opioids5%131 of 2,660 claims
- Antibiotics4%111 of 2,660 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 Annette M. Hollenbeck takes part in Medicare
Annette Hollenbeck 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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Annette M. Hollenbeck received $2,254 in industry payments from 2024 to 2025
CMS Open Payments shows 82 general payments to Annette Hollenbeck from 19 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Corium, LLC paid the most, $456.
General payments to Annette Hollenbeck by program year, 2024 to 2025
Companies that paid Annette Hollenbeck 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 Annette M. Hollenbeck'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 Annette M. Hollenbeck
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Annette M. Hollenbeck's NPI number?
Annette M. Hollenbeck's NPI number is 1831366236. It was assigned on May 14, 2008, and it is active in the NPI Registry.
What does Annette M. Hollenbeck specialize in?
Annette M. Hollenbeck is a family nurse practitioner in Upland, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Annette M. Hollenbeck practice?
Annette Hollenbeck practices at 600 N Mountain Ave, Upland, CA 91786. Annette Hollenbeck's primary practice is Wellfleet Family Medical Inc a Medical Corporation in Upland, California. Dmand AI also links Annette Hollenbeck to 1 physician office and 1 group practice or clinic.
What is Annette M. Hollenbeck's office phone number?
The practice phone on file for Annette Hollenbeck is (909) 938-2681.
What is Annette M. Hollenbeck's medical license number?
Annette Hollenbeck holds California license 379819.
Which hospitals is Annette M. Hollenbeck affiliated with?
Annette Hollenbeck is affiliated with San Antonio Regional Hospital.
What medical group is Annette M. Hollenbeck part of?
Annette Hollenbeck is linked to Wellfleet Family Medical.
Does Annette M. Hollenbeck accept Medicare?
Yes. CMS data shows Annette Hollenbeck billed Medicare for 277 services in 2024, and Annette Hollenbeck accepts Medicare assignment.
How many Medicare patients does Annette M. Hollenbeck see?
CMS counts 54 Medicare patients who saw Annette Hollenbeck in 2024, with an average age of 71.
What services does Annette M. Hollenbeck bill to Medicare?
In 2024, Annette Hollenbeck's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and care management and other visits (99483).
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What drugs does Annette M. Hollenbeck prescribe most?
In 2024 Medicare Part D data, Annette Hollenbeck's most prescribed drugs by claims were Rosuvastatin Calcium, Metformin HCl and Levothyroxine Sodium.
Has Annette M. Hollenbeck received payments from drug or device companies?
CMS Open Payments shows $2,254 in general payments to Annette Hollenbeck from 19 companies from 2024 to 2025. The largest total came from Corium, LLC.
How long has Annette M. Hollenbeck been practicing?
Annette Hollenbeck graduated from medical school in 2000, 26 years ago.
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