Doctor profile · Federal record

Dr. Rosemary Ongaki, NP-C

Nurse Practitioner · Dover, DE

  • NPI 1487085361
  • Accepts Medicare
  • MIPS 78.7 / 100 · 2023
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
640 S Queen St
Dover, DE 199043565
(302) 734-2444
Mailing address
640 South Queen St
Dover, DE 199043565

Credentials & registration

NPPES · NUCC
NPI registered
December 2013 — 13 yrs on file
Profile last updated
July 31, 2014
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Delaware #LG-0000695

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487085361. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,841
Distinct HCPCS
3
Medicare allowed
$175,107
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 1,525 256 $90
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 182 153 $129
99316 Nursing facility discharge management, more than 30 minutes 134 124 $110

In context: peer comparison

Among 12 peers in Dover Nurse Practitioner, average services per provider: 109. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$75
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $74.59

By nature of payment

Food and Beverage
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,304
Patients
511
Total drug cost
$44,836
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 173 84 $2,237
Omeprazole Generic 125 64 $1,772
Furosemide Generic 108 51 $548
Tramadol Hcl Generic 105 35 $653
Escitalopram Oxalate Generic 97 36 $1,065
Levothyroxine Sodium Generic 88 39 $1,208
Trazodone Hcl Generic 85 38 $983
Oxycodone Hcl Generic 81 19 $1,154
Lorazepam Generic 74 17 $416
Amlodipine Besylate Generic 71 44 $403

Frequently asked questions

Auto-generated from federal data
What is Dr. Rosemary Ongaki's medical specialty?
Dr. Rosemary Ongaki practices Nurse Practitioner in Dover, DE.
Where does Dr. Rosemary Ongaki practice?
Dr. Rosemary Ongaki practices at 640 S Queen St, Dover, DE 199043565. Office phone: 3027342444.
What is Dr. Rosemary Ongaki's NPI?
Dr. Rosemary Ongaki's National Provider Identifier (NPI) is 1487085361, issued by NPPES.
Does Dr. Rosemary Ongaki accept Medicare assignment?
Yes. Dr. Rosemary Ongaki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rosemary Ongaki commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310); Nursing facility discharge management (HCPCS 99316). Source: CMS Medicare Physician & Other Practitioners file.