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DANIELLE E. GREENMAN M.D.
NPI 1487099404
Internal Medicine in Greenwich, CT

Active since May 03, 2013Opted out of Medicare · through Aug 10, 2027
75 HOLLY HILL LN, GREENWICH, CT 06830(203) 661-2596(833) 941-0867 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Danielle E. Greenman M.d. NPPES

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

DANIELLE E. GREENMAN M.D. (NPI 1487099404) is an individual internal medicine provider in Greenwich, Connecticut, licensed in Connecticut (55541) and active in the NPI registry since May 2013. She has opted out of Medicare through August 10, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1487099404
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDANIELLE E. GREENMANCredential: M.D.
Location Address75 HOLLY HILL LNGreenwich, CT 06830-6098
Mailing Address75 Holly Hill LnGreenwich, CT 06830-6098 · (203) 661-2596 · Fax (833) 941-0867
Phone(203) 661-2596
Fax(833) 941-0867
Sole ProprietorNo
Enumeration DateMay 3, 2013
Last NPPES UpdateOctober 13, 2025
NPPES CertifiedOctober 13, 2025
✔ NPI 1487099404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 55541
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
75 HOLLY HILL LN, Greenwich, CT 06830
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Danielle E. Greenman M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from August 10, 2021 through August 10, 2027.

Opt-Out Effective DateAugust 10, 2021
Opt-Out In Effect ThroughAugust 10, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06830 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
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 20

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

DR. NICHOLAS HARRISON BROWNING M.D.
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3400
DR. MARCELYN CAROL MOLLOY MD
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 869-6960
HARBOR POINT DENTAL AT GREENWICH PC
Dentist (General Practice)
75 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 548-0826
BRIAN ROBERTS
Physical Therapist
75 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 276-8526
GREENWICH NEUROSURGERY, P.C.
Neurological Surgery
75 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 661-3333
MELISSA GIBLIN PA-C
Physician Assistant
75 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 717-1760
NICHOLE S FERREIRA APRN
Nurse Practitioner (Primary Care)
75 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 869-6960
RUTH SANDRA THEAMAN LCSW-R
Social Worker (Clinical)
75 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 457-3669

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 Danielle Greenman's NPI number?

The NPI number for Danielle Greenman is 1487099404. It was assigned to this individual provider in the NPPES registry on May 3, 2013.

Where is Danielle Greenman located?

Danielle Greenman practices at 75 Holly Hill Ln, Greenwich, CT 06830. The listed phone number is (203) 661-2596.

What is Danielle Greenman's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Danielle Greenman enrolled in Medicare?

No. Danielle Greenman has opted out of Medicare through August 10, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Danielle Greenman was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.