DR. CARLA J WILLIAMS M.D.
NPI 1073589396
Specialist in Greenwich, CT

Active since February 27, 2006Opted out of Medicare · through Jul 1, 2027
159 W PUTNAM AVE, GREENWICH, CT 06830(203) 869-7080(203) 869-7034 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Carla J Williams M.d. NPPES

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

DR. CARLA J WILLIAMS M.D. (NPI 1073589396) is an individual specialist in Greenwich, Connecticut, licensed in Connecticut (031982) and active in the NPI registry since February 2006. She has opted out of Medicare through July 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1073589396
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameDR. CARLA J WILLIAMSCredential: M.D.
Location Address159 W PUTNAM AVEGreenwich, CT 06830-5329
Mailing Address4 Melissa DrArdsley, NY 10502-1040
Fax(203) 869-7034
Sole ProprietorNo
Enumeration DateFebruary 27, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1073589396 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Licenses Licensed in CT · 031982 Licensed in NY · 203942-1
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
159 W PUTNAM AVE, Greenwich, CT 06830

Other Identifiers 6

Other2647207CT · Aetna
Other010031982CT01CT · Anthem Bcbs Of Ct
OtherP696779CT · Oxford
OtherCV5863CT · Healthnet
Other031982CT · Connecticare
Medicare UPING95390CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Carla J Williams 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 July 1, 2021 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2021
Opt-Out In Effect ThroughJuly 1, 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
25%557 patients2/55-star benchmark: 92%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
30%863 patients
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
59%1,281 patients3/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 95% · 1,129 patients
94%1,129 patients4/55-star benchmark: 98%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

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

Specialist
159 W PUTNAM AVE
GREENWICH, CT 06830
Specialist
159 W PUTNAM AVE
GREENWICH, CT 06830

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 Carla Williams's NPI number?

The NPI number for Carla Williams is 1073589396. It was assigned to this individual provider in the NPPES registry on February 27, 2006.

Where is Carla Williams located?

Carla Williams practices at 159 W Putnam Ave, Greenwich, CT 06830. The listed phone number is (203) 869-7080.

What is Carla Williams's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Carla Williams enrolled in Medicare?

No. Carla Williams has opted out of Medicare through July 1, 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 Carla Williams was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.