Hilary Haack, DO
Family Medicine Physician · Millsboro, DE
Hilary Haack, DO is a family medicine physician with a practice address in Millsboro, Delaware, and NPI 1861839623, issued on Jun 3, 2013. Check the license on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Hilary Haack
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 34.012376 OH
Self-reported in NPPES; status is on the state search - Practice location
- 30265 Commerce Dr Unit 206, Millsboro, DE 19966
- Phone
- (302) 732-8400
- Enumerated
- Jun 3, 2013
- Record last updated
- Apr 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (302) 934-6705
- Medicare enrollment
- Enrolled (PECOS I20180523001636); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Also registered at 30265 Commerce Dr Unit 206
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Brown, CRNPFamily Nurse Practitioner1760826275
- Danielle Giddins, MDFamily Medicine Physician1922082577
- Lisa Hohl, CRNPFamily Nurse Practitioner1235373705
- Mandi Lahman, NPFamily Nurse Practitioner1629461009
- Alexandra McDermottFamily Nurse Practitioner1023770963
- Natalie Tyre, PA-CMedical Physician Assistant1073776837
Verify Hilary Haack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and DisciplineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average family medicine physician in 2024
9,759 Medicare Part D claims for 777 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium850 claims
- Lisinopril534 claims
- Amlodipine Besylate453 claims
- Losartan Potassium382 claims
- Hydrochlorothiazide380 claims
- Levothyroxine Sodium323 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $753.10
40 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tidalhealth Primary Care LLCMillsboro, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hilary Haack among 518 family medicine physician records in Delaware
Hilary Haack, DO is one of 518 family medicine physician records with a practice address in Delaware. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 70% of them.
- NPI issued2013 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2002 among the 323 with a school on file
- Record last updated2018 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 family medicine physician records list a practice address in Millsboro
They are 14 of the 341 NPPES records with a practice address in Millsboro, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Millsboro → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Javed Akhtar, MDMillsboro, DE 199661578712592
- James Beebe, MDMillsboro, DE 199661881691442
- Philande Laberchie D Bisseng Ntock, MDMillsboro, DE 199661376396960
- Jenna Dafgek, MDMillsboro, DE 199661740869635
- Fiza Fatima, MDMillsboro, DE 199661376330217
- Ernest Gelb, D.O.Millsboro, DE 199661740215714
- Danielle Giddins, MDMillsboro, DE 199661922082577
- Cynthia Lamour, DOMillsboro, DE 199661003296807
Common questions
What is Hilary Haack, DO's NPI number?
Hilary Haack, DO's National Provider Identifier (NPI) is 1861839623, issued on Jun 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Hilary Haack, DO located?
The NPPES record lists a practice address at 30265 Commerce Dr Unit 206, Millsboro, DE, 19966. Phone: (302) 732-8400. Providers update this record themselves, so call before visiting.
How can I verify Hilary Haack, DO's license?
Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hilary Haack, DO prescribe under Medicare Part D?
In 2024, Hilary Haack, DO had 9,759 Medicare Part D claims for 777 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.