Stephen Zachary Peeke, M.D.

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

C1-0028532 Issued in DE

Practice address

100 Wellness Way
Milford, DE 19963-4364

Phone

(302) 430-5072

Fax

(302) 430-5071

NPI assigned

Apr 8, 2013

Last updated

Feb 17, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NY, DE2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Hematology/OncologyAlso: Medical Oncology

Education

Jefferson Medical College of Thomas Jefferson University, 2013

Medicare assignment

May accept Medicare assignment

Group practices

Bayhealth Medical Center, IncGroup PAC ID 1658364740, shared by 16 NPIs, 399 clinicians

Montefiore Medical CenterGroup PAC ID 3779496021, 2,809 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bayhealth Hospital, Sussex Campus Hospital, Milford, DE, CCN 080009
• Montefiore Medical Center Hospital, Bronx, NY, CCN 330059
• Bayhealth Medical Center, Kent Campus Hospital, Dover, DE, CCN 080004

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359

Interoperability endpoints

• Direct secure messaging: speeke@montefioredirect.com
• Direct secure messaging: stephenpeeke@mai.allscriptsdirect.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Montefiore Medical Center

  • Anesthesiology Physician
  • Bronx, NY
  • NPI 1063525152

  Hematology

  Medicare reassignment Care Compare group NPD
• Bayhealth Medical Center, Inc

  dba Bayhealth Medical Oncology, Kent Campus

  • Medical Oncology Physician
  • Dover, DE
  • NPI 1295292183
  Medicare reassignment NPD
• Bayhealth Medical Center, Inc.

  dba Bayhealth Medical Oncology, Sussex Campus

  • Medical Oncology Physician
  • Milford, DE
  • NPI 1104383041
  Medicare reassignment NPD
• Maimonides Faculty Practice Plan

  • Internal Medicine Physician
  • Brooklyn, NY
  • NPI 1053344846
  Medicare reassignment NPD
• MMC Hematology Oncology FPP

  • Hematology & Oncology Physician
  • Brooklyn, NY
  • NPI 1598878217
  Medicare reassignment NPD
• Bayhealth Medical Center, Inc

  • Gastroenterology Physician
  • Milford, DE
  • NPI 1639938525
  NPD
• Maimonides Medical Center

  • General Acute Care Hospital
  • Brooklyn, NY
  • NPI 1093777492
  NPD
• Montefiore Medical Center

  dba Montefiore Community Pharmacy @ CHAM

  • Community/Retail Pharmacy
  • Bronx, NY
  • NPI 1194183715
  NPD
• Bayhealth Medical Center, Inc

  dba Bayhealth Physicians

  • Colon & Rectal Surgery Physician
  • Dover, DE
  • NPI 1285809509
  NPD (past)
• Montefiore Medical Center

  • General Acute Care Hospital
  • Bronx, NY
  • NPI 1952476988
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Bayhealth Medical Center, Inc.

  dba Bayhealth Hospital, Sussex Campus

  • General Acute Care Hospital
  • Milford, DE
  • NPI 1023006434
  Care Compare affiliation
• Bayhealth Medical Center, Inc.

  dba Bayhealth Hospital, Kent Campus

  • General Acute Care Hospital
  • Dover, DE
  • NPI 1467546135
  Care Compare affiliation
• Montefiore Medical Center

  • General Acute Care Hospital
  • Bronx, NY
  • NPI 1952476988
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1365379200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1013350297",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 RIDGEVIEW DR",
            "city": "HOCKESSIN",
            "state": "DE",
            "postal_code": "197072313",
            "telephone_number": "302-584-4527"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 WELLNESS WAY",
            "city": "MILFORD",
            "state": "DE",
            "postal_code": "199634364",
            "telephone_number": "302-430-5072",
            "fax_number": "302-430-5071"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PEEKE",
        "first_name": "STEPHEN",
        "middle_name": "ZACHARY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-04-08",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "DE",
            "license": "C1-0028532",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "DE",
            "license": "C1-0028532",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Peace by Piece Concierge Therapy
• Peace by Piece Concierge Therapy
• Peace in Pregnancy
• Pamela Sue Pearson-Williams, RD
• Michael Peck
• Alec Peer, LCSW-C
• Amber Kayla Pelle
• Amy Erica Pellegrino, RBT
• Peninsula Orthopaedic Assoc PA
• Taylor Ellen Penzel, MD

• Medical Oncology Physician in Milford, DE
• Providers in Milford, DE by specialty
• Medical Oncology Physician in Delaware

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.