MARK A. KRAWIEC MD
NPI 1639257132
Internal Medicine in Lincoln, CA
About Mark A. Krawiec Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A. KRAWIEC MD (NPI 1639257132) is an individual internal medicine provider in Lincoln, California, licensed in California (G78833) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark A. Krawiec Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Krawiec reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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
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 95648 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.
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 Mark Krawiec's NPI number?
The NPI number for Mark Krawiec is 1639257132. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Mark Krawiec located?
Mark Krawiec practices at 1900 Dresden Dr, Lincoln, CA 95648. The listed phone number is (916) 784-4000.
What is Mark Krawiec's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mark Krawiec enrolled in Medicare?
Yes. Mark Krawiec is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Krawiec's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Krawiec reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). 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 Mark Krawiec'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 Mark Krawiec was last updated on December 13, 2021. 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.
# Mark A. Krawiec, MD · NPI 1639257132
Internal Medicine physician in Lincoln, California. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1639257132 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** G78833 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1900 DRESDEN DR, Lincoln, CA 95648-8803
- **Phone:** (916) 784-4000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 13, 2021
- **Other identifiers:** Medicaid 00G788330 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1639257132) · Data from the CMS NPPES public registry.