Doctor profile · Federal record

Dr. Hilary Haack, DO

Family Medicine Physician (CMS: Family Practice) · Millsboro, DE

  • NPI 1861839623
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
30265 Commerce Dr Unit 206
Millsboro, DE 199663595
(302) 732-8400
fax (302) 934-6705
Additional location
1230 Clark St Ste A
Cambridge, OH 437259611
(740) 439-7772
Additional location
100 E Carroll St
Salisbury, MD 218015493
(180) 074-9519
Mailing address
1251 Clark St
Cambridge, OH 437259612

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
April 30, 2018
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Ohio #34.012376

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861839623. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,898
Distinct HCPCS
10
Medicare allowed
$150,648
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,320 17 $24
99214 Established patient office or other outpatient visit, 30-39 minutes 721 479 $90
99213 Established patient office or other outpatient visit, 20-29 minutes 213 175 $68
G0008 Administration of influenza virus vaccine 141 138 $31
90662 Influenza vaccine split virus, preservative free 123 121 $71
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 114 114 $40
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 48 48 $282
G0009 Administration of pneumococcal vaccine 39 39 $31
99495 Transitional care management services for problem of at least moderate complexity 36 33 $101
96372 Injection of drug or substance under skin or into muscle 34 19 $14

In context: peer comparison

Among 5 peers in Millsboro Family Medicine Physician, average services per provider: 126. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$753
Transactions
40
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 9 $135.25
Pfizer INC. 7 $123.41
Astellas Pharma US INC 3 $73.96
Amgen INC. 3 $69.54
Exact Sciences Corporation 3 $64.53
Abbvie INC. 3 $60.74
GlaxoSmithKline, LLC. 3 $56.12
AstraZeneca Pharmaceuticals Lp 2 $39.96
E.R. Squibb & Sons, L.L.C. 2 $36.04
Lilly USA, LLC 1 $20.05
BioMarin Pharmaceutical INC. 1 $19.48
Biogen, INC. 1 $19.15
Abbott Laboratories 1 $19.09
Phathom Pharmaceuticals, INC. 1 $15.78

By nature of payment

Food and Beverage
$753

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,123
Patients
1,306
Total drug cost
$57,148
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 708 223 $11,600
Lisinopril Generic 422 126 $3,584
Amlodipine Besylate Generic 408 123 $3,444
Levothyroxine Sodium Generic 320 95 $4,856
Losartan Potassium Generic 307 96 $4,003
Hydrochlorothiazide Generic 296 93 $1,304
Rosuvastatin Calcium Generic 226 72 $6,378
Omeprazole Generic 221 78 $3,655
Metformin Hcl Generic 213 64 $1,923
Metoprolol Succinate Generic 178 58 $3,888

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hilary Haack's medical specialty?
Dr. Hilary Haack practices Family Medicine Physician in Millsboro, DE.
Where does Dr. Hilary Haack practice?
Dr. Hilary Haack practices at 30265 Commerce Dr Unit 206, Millsboro, DE 199663595. Office phone: 3027328400.
What is Dr. Hilary Haack's NPI?
Dr. Hilary Haack's National Provider Identifier (NPI) is 1861839623, issued by NPPES.
Does Dr. Hilary Haack accept Medicare assignment?
Yes. Dr. Hilary Haack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hilary Haack commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.