Doctor profile · Federal record

Dr. Joseph Knapp, DO

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Newark, DE

  • NPI 1154372084
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 Peoples Plz Ste 301
Newark, DE 197025708
(443) 553-1398
fax (443) 553-1398

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 26, 2021
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Maryland #H0057801
Medicaid (2)
MD #4056337 00 · MD #4056337 01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154372084. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
60
Distinct HCPCS
3
Medicare allowed
$4,841
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 26 19 $87
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 20 20 $39
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 14 14 $128

In context: peer comparison

Among 13 peers in this city , average services per provider: 39. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$29
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Acella Pharmaceuticals, LLC 1 $15.14
Channel Medsystems, Inc. 1 $14.13

By nature of payment

Food and Beverage
$29

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
104
Patients
16
Total drug cost
$10,179
Drug Type Claims Patients Total cost
Progesterone (Progesterone, Micronized) Brand 52 16 $3,544
Estradiol Generic 28 0 $2,747
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 13 0 $3,804
Medroxyprogesterone Acetate Generic 11 0 $85

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Knapp's medical specialty?
Dr. Joseph Knapp practices Obstetrics & Gynecology Physician in Newark, DE.
Where does Dr. Joseph Knapp practice?
Dr. Joseph Knapp practices at 1400 Peoples Plz Ste 301, Newark, DE 197025708. Office phone: 4435531398.
What is Dr. Joseph Knapp's NPI?
Dr. Joseph Knapp's National Provider Identifier (NPI) is 1154372084, issued by NPPES.
Does Dr. Joseph Knapp accept Medicare assignment?
Yes. Dr. Joseph Knapp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Knapp commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.