JOHN RICHARD ZWIENER MD
NPI 1518038496
Pathology - Clinical Pathology/Laboratory Medicine in Carlsbad, NM
About John Richard Zwiener Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN RICHARD ZWIENER MD (NPI 1518038496) is an individual clinical pathology/laboratory medicine provider in Carlsbad, New Mexico, licensed in New Mexico (90 132) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Carlsbad Medical Center, and is a graduate of University Of Texas Medical School At Houston (1984).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John Richard Zwiener Md 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.
Areas of Expertise CMS Part B claims 6
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Carlsbad Medical Center
Acute Care Hospitals · Carlsbad, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 88220 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CARLSBAD, NM 88220
CARLSBAD, NM 88220
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 John Zwiener's NPI number?
The NPI number for John Zwiener is 1518038496. It was assigned to this individual provider in the NPPES registry on November 13, 2006.
Where is John Zwiener located?
John Zwiener practices at 2430 W Pierce St, Carlsbad, NM 88220. The listed phone number is (648) 223-3070.
What is John Zwiener's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.
Is John Zwiener enrolled in Medicare?
Yes. John Zwiener 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.
What insurance does John Zwiener accept?
Health plans from Blue Cross and Blue Shield of Texas list John Zwiener 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.
Is John Zwiener affiliated with any hospitals?
According to CMS data, John Zwiener is affiliated with Carlsbad Medical Center.
When was this NPI record last updated?
The NPPES record for John Zwiener was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# John Richard Zwiener, MD · NPI 1518038496
Clinical Pathology/Laboratory Medicine physician in Carlsbad, New Mexico. Individual provider, active in the CMS NPPES registry since November 13, 2006.
## Identity
- **NPI:** 1518038496 (Entity type: Individual)
- **Enumerated:** November 13, 2006
- **Primary specialty:** Pathology - Clinical Pathology/Laboratory Medicine · taxonomy 207ZP0105X
- **State license:** 90 132 (New Mexico)
- **Sole proprietor:** No
## Practice location
- **Address:** 2430 W PIERCE ST, Carlsbad, NM 88220-3553
- **Phone:** (648) 223-3070
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** University Of Texas Medical School At Houston, class of 1984
## Record status
- **NPPES last updated:** June 11, 2025
- **Other identifiers:** Medicaid 00007807 (NM); Other 850381569; Medicaid 0Y807 (NM); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1518038496) · Data from the CMS NPPES public registry.