TAMMY LIN MD
NPI 1437683331
Internal Medicine - Critical Care Medicine in Gainesville, GA
About Tammy Lin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY LIN MD (NPI 1437683331) is an individual critical care medicine provider in Gainesville, Georgia, licensed in Georgia (89406) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Northeast Georgia Medical Center, Inc, and maintains a secondary practice location in Atlanta.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
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
Tammy Lin 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.
Medicare Billing Reassignment
Medicare enrollment records show Tammy Lin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Gainesville, GA 30501
- Reassigned Medicare billing, Georgia enrollment
- 1,172 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northeast Georgia Medical Center, Inc
Acute Care Hospitals · Gainesville, GANortheast Georgia Medical Center Habersham
Acute Care Hospitals · Demorest, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30501 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.
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 Tammy Lin's NPI number?
The NPI number for Tammy Lin is 1437683331. It was assigned to this individual provider in the NPPES registry on April 18, 2017. The provider is also known as Tammy Farber.
Where is Tammy Lin located?
Tammy Lin practices at 743 Spring St NE, Gainesville, GA 30501. The listed phone number is (770) 219-9000.
What is Tammy Lin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Tammy Lin enrolled in Medicare?
Yes. Tammy Lin 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 Tammy Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Lin reassigns Medicare benefits to Northeast Georgia Physicians Group Inc (Gainesville, GA). 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 Tammy Lin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Lin accept?
Health plans from Alliant Health Plans, Inc. list Tammy Lin 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 Tammy Lin affiliated with any hospitals?
According to CMS data, Tammy Lin is affiliated with Northeast Georgia Medical Center, Inc and Northeast Georgia Medical Center Habersham.
When was this NPI record last updated?
The NPPES record for Tammy Lin was last updated on August 18, 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.
# Tammy Lin, MD · NPI 1437683331
Critical Care Medicine physician in Gainesville, Georgia. Individual provider, active in the CMS NPPES registry since April 18, 2017.
## Identity
- **NPI:** 1437683331 (Entity type: Individual)
- **Enumerated:** April 18, 2017
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 89406 (Georgia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 743 SPRING ST NE, Gainesville, GA 30501-3715
- **Phone:** (770) 219-9000
## 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:** Northeast Georgia Physicians Group Inc (NPI 1891745212, Gainesville, GA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** August 18, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1437683331) · Data from the CMS NPPES public registry.