Joseph Michael Knapp, DO
Obstetrics & Gynecology Physician · Newark, DE
Joseph Michael Knapp, DO is an obstetrics & gynecology physician with a practice address in Newark, Delaware, and NPI 1154372084, issued on May 15, 2006. Check the license on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Joseph Michael Knapp
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- H0057801 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Peoples Plz Ste 301, Newark, DE 19702
- Phone
- (443) 553-1398
- Enumerated
- May 15, 2006
- Record last updated
- Jul 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (443) 553-1398
- Medicaid IDs
- 4056337 00 MD
4056337 01 MD - Medicare enrollment
- Enrolled (PECOS I20040806000225); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1991
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 152 in Delaware → Look up another NPI →
Also registered at 1400 Peoples Plz Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Dawson, DNP, APRN, NP-CFamily Nurse Practitioner1548816309
Verify Joseph Michael Knapp 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% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
168 Medicare Part D claims for 52 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Progesterone59 claims
- Estradiol15 claims
- Armour Thyroid11 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: $29.27
2 payments; by number, the most common kind was food and beverage; the largest payer was Acella Pharmaceuticals, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 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.
2 hospitals and group practices
- Union Hospital OF Cecil CountyElkton, MD · Acute Care Hospitals4 of 5 stars
- Womens Healthcare Consultants IncElkton, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Joseph Michael Knapp among 152 obstetrics & gynecology physician records in Delaware
Joseph Michael Knapp, DO is one of 152 obstetrics & gynecology physician records with a practice address in Delaware. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 50% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1991 · median 2003 among the 98 with a school on file
- Record last updated2021 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
73 obstetrics & gynecology physician records list a practice address in Newark
They are 73 of the 4,662 NPPES records with a practice address in Newark, and 152 obstetrics & gynecology physician records in Delaware.
All 152 in Delaware → Every provider in Newark → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jose Picazo, MDNewark, DE 197021689661928
- Janice Tildon Burton, MDNewark, DE 197021265509228
- Susan Passarella, D.O.Newark, DE 197011720114416
- Jessica Apel, D.O.Hockessin, DE 197071699941989
- Rodney Baltazar, D.O.Middletown, DE 197091851379960
- Oluwatosin OdunsiMiddletown, DE 197091801216429
- Chantel Imran, M.D.Newark, DE 197111578519971
- Mohammad Imran, M.D.Newark, DE 197111679516090
Common questions
What is Joseph Michael Knapp, DO's NPI number?
Joseph Michael Knapp, DO's National Provider Identifier (NPI) is 1154372084, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Michael Knapp, DO located?
The NPPES record lists a practice address at 1400 Peoples Plz Ste 301, Newark, DE, 19702. Phone: (443) 553-1398. Providers update this record themselves, so call before visiting.
How can I verify Joseph Michael Knapp, 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 Joseph Michael Knapp, DO prescribe under Medicare Part D?
In 2024, Joseph Michael Knapp, DO had 168 Medicare Part D claims for 52 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.