DAVID H. BAUM M.D.
NPI 1437175486
Internal Medicine in Westport, CT
About David H. Baum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID H. BAUM M.D. (NPI 1437175486) is an individual internal medicine provider in Westport, Connecticut, licensed in Connecticut (044303) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
David H. Baum M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show David Baum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Westport, CT 06880
- Reassigned Medicare billing, Connecticut enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 12
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 David Baum's NPI number?
The NPI number for David Baum is 1437175486. It was assigned to this individual provider in the NPPES registry on July 14, 2006.
Where is David Baum located?
David Baum practices at 333 Post Road West Lower Level, Westport, CT 06880. The listed phone number is (203) 571-3000.
What is David Baum's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is David Baum enrolled in Medicare?
Yes. David Baum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for David Baum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Baum reassigns Medicare benefits to Primary Care Of Westport LLC (Westport, CT). 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 David Baum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Baum accept?
Health plans from Anthem Blue Cross and Blue Shield list David Baum 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 David Baum was last updated on May 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# David H. Baum, M.D. · NPI 1437175486
Internal Medicine physician in Westport, Connecticut. Individual provider, active in the CMS NPPES registry since July 14, 2006.
## Identity
- **NPI:** 1437175486 (Entity type: Individual)
- **Enumerated:** July 14, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 044303 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 333 POST ROAD WEST, LOWER LEVEL, Westport, CT 06880
- **Phone:** (203) 571-3000 · **Fax:** (203) 349-8179
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Primary Care Of Westport LLC (NPI 1316486970, Westport, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** May 31, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1437175486) · Data from the CMS NPPES public registry.