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MELISSA O ROBERTSON CRNA
NPI 1821368911
Nurse Anesthetist, Certified Registered in Chattanooga, TN

Active since January 05, 2012Accepts Medicare Assignment
87.73/100
CMS Quality Rating
2341 MCCALLIE AVE, SUITE 402, CHATTANOOGA, TN 37404(423) 698-3309(423) 624-6355 Get Directions Write a Review

NPPES record last updated: April 5, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Melissa O Robertson Crna NPPES

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

MELISSA O ROBERTSON CRNA (NPI 1821368911) is an individual nurse anesthetist, certified registered in Chattanooga, Tennessee, licensed in Tennessee (APN16282) and active in the NPI registry since January 2012. She maintains a secondary practice location in Chattanooga and is a graduate of Other (2011).

NPPES Registry Identity

NPI1821368911
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMELISSA O ROBERTSONCredential: CRNA
Location Address2341 MCCALLIE AVE, SUITE 402Chattanooga, TN 37404-3239
Mailing AddressPo Box 3549Chattanooga, TN 37404-0549 · (423) 698-3309 · Fax (423) 624-3655
Phone(423) 698-3309
Fax(423) 624-6355
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJanuary 5, 2012
Last NPPES UpdateApril 5, 2023
NPPES CertifiedApril 5, 2023
✔ NPI 1821368911 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in TN · APN16282
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
2341 MCCALLIE AVE, Chattanooga, TN 37404
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Other Names 1

Former Name (1)Melissa L Ogden

Secondary Practice Location 1

Location 11651 Gunbarrel Rd Ste 102Chattanooga, TN 37421-3289 · Phone (423) 308-0390 · Fax (423) 308-0393

Other Identifiers 7

Medicaid003120537B MMSCGA
Medicaid003120537D PEHGA
Medicaid003120537A MHGA
Medicaid1526898TN
Medicaid003120537C PHGA
Other4312955TN · Bcbs Of Tn
OtherP01042082Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Arkansas Health & Wellness, Ambetter Health and more.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

Melissa O Robertson Crna 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.

PECOS PAC ID2062679368
PECOS Enrollment IDI20120127000753

Medicare Billing Reassignments

3

Medicare enrollment records show Melissa Robertson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Amsurg Chattanooga Anesthesia LLC
Same address
Anesthesiology
2341 MCCALLIE AVE, STE 303
Chattanooga, TN 37404
  • Reassigned Medicare billing, Tennessee enrollment
  • 41 clinicians in this Medicare group
NPI 1841586922 (423) 698-3999
Physicians Surgery Center Of Chattanooga, LLC
3.6 mi
Ambulatory Surgical
924 SPRING CREEK ROAD
Chattanooga, TN 37412
  • Reassigned Medicare billing, Tennessee enrollment
  • 22 clinicians in this Medicare group
NPI 1164589032 (423) 889-1600
Galen Medical Group, PC
7.0 mi
Internal Medicine
4976 ALPHA LN
Hixson, TN 37343
  • Reassigned Medicare billing, Tennessee enrollment
  • 158 clinicians in this Medicare group
NPI 1346250057 (423) 497-5355

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 5

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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
57 services57 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
25 services25 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
21 services21 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
17 services17 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37404 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
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.

87.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.67
Promoting Interoperability83
Improvement Activities40

Reported Quality Measures

Pre-operative OSA assessment
Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)
85%750 patients4/55-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.

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.

AMY T. GARNER CRNA
Nurse Anesthetist, Certified Registered
2341 MCCALLIE AVE, SUITE 402
CHATTANOOGA, TN 37404
Hamilton County (423) 698-3309
ANESTHESIOLOGISTS ASSOCIATED PC
Nurse Anesthetist, Certified Registered
2341 MCCALLIE AVE, SUITE 402
CHATTANOOGA, TN 37404
Hamilton County (423) 698-3309
JENNIFER L JACKSON CRNA
Nurse Anesthetist, Certified Registered
2341 MCCALLIE AVE, SUITE 402
CHATTANOOGA, TN 37404
Hamilton County (423) 698-3309
JAMES F FOOTE CRNA
Nurse Anesthetist, Certified Registered
2341 MCCALLIE AVE, SUITE 402
CHATTANOOGA, TN 37404
Hamilton County (423) 698-3309
DR. KYLE V ROACH M.D.
Anesthesiology
2341 MCCALLIE AVE, SUITE 402
CHATTANOOGA, TN 37404
Hamilton County (423) 698-3309
BENJAMIN CORBY WHATLEY CRNA
Nurse Anesthetist, Certified Registered
2341 MCCALLIE AVE, SUITE 402
CHATTANOOGA, TN 37404
Hamilton County (423) 698-3309
PAUL ANTHONY PATTERSON CRNA
Nurse Anesthetist, Certified Registered
2341 MCCALLIE AVE, SUITE 402
CHATTANOOGA, TN 37404
Hamilton County (423) 698-3309
MRS. LYNN M GIBSON CRNA
Nurse Anesthetist, Certified Registered
2341 MCCALLIE AVE, SUITE 402
CHATTANOOGA, TN 37404
Hamilton County (423) 698-3309

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 Melissa Robertson's NPI number?

The NPI number for Melissa Robertson is 1821368911. It was assigned to this individual provider in the NPPES registry on January 5, 2012. The provider is also known as Melissa L Ogden.

Where is Melissa Robertson located?

Melissa Robertson practices at 2341 Mccallie Ave Suite 402, Chattanooga, TN 37404. The listed phone number is (423) 698-3309.

What is Melissa Robertson's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Melissa Robertson enrolled in Medicare?

Yes. Melissa Robertson 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 organizations bill Medicare for Melissa Robertson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Robertson reassigns Medicare benefits to 3 organizations: Amsurg Chattanooga Anesthesia LLC (Chattanooga, TN), Physicians Surgery Center Of Chattanooga, LLC (Chattanooga, TN) and Galen Medical Group, PC (Hixson, TN). 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 Melissa Robertson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melissa Robertson accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama and Ambetter of North Carolina and 2 other insurers list Melissa Robertson 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 Melissa Robertson was last updated on April 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.