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GARRETT HC COLMORGEN MD
NPI 1073590287
Obstetrics & Gynecology - Maternal & Fetal Medicine in Dover, DE

Active since December 29, 2005PECOS Enrolled
640 S STATE ST FL 6, DOVER, DE 19901(302) 744-6220(302) 734-8454 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 7, 2023, Dec 3, 2020, Nov 24, 2020 and 1 more (4 updates tracked since 2017).

About Garrett Hc Colmorgen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GARRETT HC COLMORGEN MD (NPI 1073590287) is an individual maternal & fetal medicine provider in Dover, Delaware, licensed in Delaware (C10002595) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Milford.

NPPES Registry Identity

NPI1073590287
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameGARRETT HC COLMORGENCredential: MD
Location Address640 S STATE ST FL 6Dover, DE 19901-3530
Mailing Address640 S State St, Mail Code 3055Dover, DE 19901-3530 · (302) 480-1688 · Fax (302) 480-1688
Phone(302) 744-6220
Fax(302) 734-8454
Sole ProprietorNo
Enumeration DateDecember 29, 2005
Last NPPES UpdateMarch 7, 20234 updates tracked since enumeration
NPPES CertifiedMarch 24, 2022
✔ NPI 1073590287 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in DE · C10002595
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License C10002595 (DE)
640 S STATE ST FL 6, Dover, DE 19901
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Secondary Practice Location 1

Location 1101 Wellness Way Ste 250Milford, DE 19963-4366 · Phone (302) 744-6220 · Fax (302) 734-8454

Other Identifiers 2

OtherMD 1397DE · De Cds
OtherC10002595DE · De Medical License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Garrett Hc Colmorgen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Garrett Colmorgen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Bayhealth Medical Center, Inc
0.2 mi
Cardiovascular Disease
560 S GOVERNORS AVE
Dover, DE 19904
  • Reassigned Medicare billing, Delaware enrollment
  • Also billed through NPI 1285809509 (Delaware), NPI 1356808208 (Delaware)
  • 163 clinicians in this Medicare group
NPI 1588456479 (302) 744-7113

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$131.15 typical visit price
range $57.12 – $173.08
Typical copayment $32.78 (range $14.28 – $43.27)
Most-billed visit code 99204
Established Patient
$71.19 typical visit price
range $18.36 – $141.05
Typical copayment $17.79 (range $4.59 – $35.26)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AYODEJI AJAO SANUSI MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
640 S STATE ST FL 6
DOVER, DE 19901
Kent County (302) 744-6220

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Garrett Colmorgen's NPI number?

The NPI number for Garrett Colmorgen is 1073590287. It was assigned to this individual provider in the NPPES registry on December 29, 2005.

Where is Garrett Colmorgen located?

Garrett Colmorgen practices at 640 S State St Fl 6, Dover, DE 19901. The listed phone number is (302) 744-6220.

What is Garrett Colmorgen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Garrett Colmorgen enrolled in Medicare?

Yes. Garrett Colmorgen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Garrett Colmorgen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Garrett Colmorgen reassigns Medicare benefits to Bayhealth Medical Center, Inc (Dover, DE). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Garrett Colmorgen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Garrett Colmorgen accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Garrett Colmorgen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Garrett Colmorgen was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.