NPPES file of Aug 9, 2026

Maternal & Fetal Medicine Physician in Delaware

15 NPPES records list maternal & fetal medicine physician with a practice address in Delaware, 1.5 per 100,000 residents, the 5th highest rate of 50. Newark and Dover have the most; each record links to the provider's NPI and the Delaware license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207VM0101X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Newark has the most, 9

  1. Newark9
  2. Dover4
  3. Milford1
  4. Wilmington1

Maternal & Fetal Medicine Physician records in Delaware

  1. Garrett Colmorgen, MDDover, DE 199011073590287
  2. Jessica Fields, M.D.Newark, DE 197131508251752
  3. Bryon Jacoby, MDMilford, DE 199631134105323
  4. Vanita Jain, MDNewark, DE 197131992924344
  5. James Manley, M.D.Newark, DE 197131285614727
  6. Audrey Merriam, M.D.Newark, DE 197131477873131
  7. Jennifer Merriman, MDNewark, DE 197131215073127
  8. Wadia Mulla, MDDover, DE 199041710976642
  9. Kelly Ruhstaller, M.D.Newark, DE 197131386878254
  10. Ayodeji Sanusi, MDDover, DE 199011215399787
  11. Anthony Sciscione, D.O.Newark, DE 197131447341920
  12. Philip Shlossman, MDNewark, DE 197131780662502
  13. Christina Teefey, M.D.Wilmington, DE 198031891084737
  14. Andrew Ward, MDDover, DE 199041164780979
  15. Natalia Wisniewski, M.S.Newark, DE 197131386919066

Source: CMS NPPES, primary taxonomy 207VM0101X: records by practice city and the list of records, file of Aug 9, 2026.

Delaware ranks 5 of 50 per resident

  1. Connecticut1.9
  2. Rhode Island1.8
  3. New York1.5
  4. Delaware1.5
  5. Oregon1.3
  6. Massachusetts1.3
  7. 50 states and D.C.1.0

Source: CMS NPPES, primary taxonomy 207VM0101X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

66.7% of these records appear in a Medicare file, against 76.2% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Delaware66.7%
  2. United States76.2%

Maternal & Fetal Medicine Physician records in Delaware, measured

  • In a Medicare file10 of 15 · 66.7% here, 76.2% nationally
  • In the CMS Doctors and Clinicians file11 · 73.3% here, 66.6% nationally
  • Not updated in five years or more6 · 40.0% here, 46.9% nationally
  • Median graduation year2009 · the 11 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207VM0101X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

15 NPPES records list maternal & fetal medicine physician (207VM0101X) as their primary taxonomy with a practice address in Delaware: 1.5 per 100,000 residents against 1 nationally (50 states and D.C.). Newark has 9 of them (60%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Idaho15
  2. Arkansas14
  3. Hawaii13
  4. Mississippi12

States with a similar rate per 100,000

  1. New York1.5
  2. Oregon1.3
  3. Massachusetts1.3
  4. New Mexico1.3

The largest states

  1. California343
  2. Texas308
  3. New York292
  4. Florida182
  5. Pennsylvania143

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.