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DANIEL BENJAMIN LAX MD
NPI 1205254075
Obstetrics & Gynecology in Westport, CT

Active since March 31, 2014PECOS Enrolled
97.27/100
CMS Quality Rating
728 POST RD E STE 201, WESTPORT, CT 06880(203) 203-8284(203) 732-8136 Get Directions Write a Review

NPPES record last updated: April 24, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 24, 2026, Nov 18, 2025, Dec 9, 2020 and 3 more (6 updates tracked since 2018).

About Daniel Benjamin Lax Md NPPES

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

DANIEL BENJAMIN LAX MD (NPI 1205254075) is an individual obstetrics & gynecology provider in Westport, Connecticut, licensed in Connecticut (64021) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205254075
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDANIEL BENJAMIN LAXCredential: MD
Location Address728 POST RD E STE 201Westport, CT 06880-5200
Mailing Address728 Post Rd E Ste 201Westport, CT 06880-5200 · (203) 203-8284 · Fax (475) 275-7675
Phone(203) 203-8284
Fax(203) 732-8136
Sole ProprietorNo
Enumeration DateMarch 31, 2014
Last NPPES UpdateApril 24, 20266 updates tracked since enumeration
NPPES CertifiedApril 24, 2026
✔ NPI 1205254075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CT · 64021✔ Licensed in NY · 293023-1
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
728 POST RD E STE 201, Westport, CT 06880
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Daniel Benjamin Lax 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 Reassignments

4

Medicare enrollment records show Daniel Lax reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Griffin Faculty Physicians, Inc.
19 mi
Thoracic Surgery (Cardiothoracic Vascular Surgery)
67 MAPLE AVE, 2ND FLOOR
Derby, CT 06418
  • Reassigned Medicare billing, Connecticut enrollment
  • 190 clinicians in this Medicare group
NPI 1598755605 (203) 732-1330
Nuvance Health Medical Practice Ct, Inc.
19 mi
Internal Medicine
24 HOSPITAL AVE
Danbury, CT 06810
  • Reassigned Medicare billing, Connecticut enrollment
  • 818 clinicians in this Medicare group
NPI 1407898117 (203) 739-7742
Bronxcare Health System
36 mi
Pediatrics
1650 GRAND CONCOURSE
Bronx, NY 10457
  • Reassigned Medicare billing, New York enrollment
  • 795 clinicians in this Medicare group
NPI 1073858296 (718) 901-8918
Obhg Connecticut PC
655 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, Connecticut enrollment
  • 37 clinicians in this Medicare group
NPI 1861985129 (800) 967-2289

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 06880 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
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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.

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.

97.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.68
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Breast Cancer Screening
81%172 patients4/55-star benchmark: 93%
Cervical Cancer Screening
81%434 patients4/55-star benchmark: 98%
Closing the Referral Loop: Receipt of Specialist Report
40%87 patients2/55-star benchmark: 87%
Controlling High Blood Pressure
76%103 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
100%998 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
42%543 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
39%817 patients3/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 90% · 542 patients
Patients screened: 95% · 542 patients
63%64 patients3/55-star benchmark: 100%
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.

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 Daniel Lax's NPI number?

The NPI number for Daniel Lax is 1205254075. It was assigned to this individual provider in the NPPES registry on March 31, 2014.

Where is Daniel Lax located?

Daniel Lax practices at 728 Post Rd E Ste 201, Westport, CT 06880. The listed phone number is (203) 203-8284.

What is Daniel Lax's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Daniel Lax enrolled in Medicare?

Yes. Daniel Lax is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Daniel Lax's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Lax reassigns Medicare benefits to 4 organizations: Griffin Faculty Physicians, Inc. (Derby, CT), Nuvance Health Medical Practice Ct, Inc. (Danbury, CT), Bronxcare Health System (Bronx, NY) and Obhg Connecticut PC (Greenville, SC). Each 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 Daniel Lax's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Daniel Lax was last updated on April 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.