1. Home
  2. Directory
  3. Tennessee
  4. Oak Ridge
  5. Anesthesiology
  6. NPI Profile

CHRISTOPHER CRISWELL MD
NPI 1972571073
Anesthesiology in Oak Ridge, TN

Active since March 14, 2006PECOS EnrolledAccepts Medicare Assignment
990 OAK RIDGE TPKE, OAK RIDGE, TN 37830(865) 481-1112(770) 237-1124 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Christopher Criswell Md NPPES

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

CHRISTOPHER CRISWELL MD (NPI 1972571073) is an individual anesthesiology provider in Oak Ridge, Tennessee, licensed in Tennessee (19180) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Methodist Medical Center Of Oak Ridge, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1986).

NPPES Registry Identity

NPI1972571073
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameCHRISTOPHER CRISWELLCredential: MD
Location Address990 OAK RIDGE TPKEOak Ridge, TN 37830-6976
Mailing AddressPo Box 5059Oak Ridge, TN 37831-5059 · (800) 611-6713 · Fax (770) 237-1124
Phone(865) 481-1112
Fax(770) 237-1124
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 1986
Enumeration DateMarch 14, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1972571073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in TN · 19180
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
990 OAK RIDGE TPKE, Oak Ridge, TN 37830
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare.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

Christopher Criswell 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.

PECOS PAC ID4385817980
PECOS Enrollment IDI20111026000662
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Christopher Criswell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Covenant Anesthesia Group, PC
Same address
Anesthesiology
990 OAK RIDGE TPKE, ANESTHESIA DEPT
Oak Ridge, TN 37830
  • Reassigned Medicare billing, Tennessee enrollment
  • 289 clinicians in this Medicare group
NPI 1639148117 (865) 691-9000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Methodist Medical Center Of Oak Ridge

Acute Care Hospitals · Oak Ridge, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440034
Location990 Oak Ridge Turnpike Box 529Oak Ridge, TN 37830 · Anderson County
Emergency services Birthing friendly

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.

MRS. LAUREN WALRAVEN HOWELL R.D.
Dietitian, Registered
990 OAK RIDGE TPKE, FOOD AND NUTRITION SERVICES
OAK RIDGE, TN 37830
Anderson County (865) 835-4109
CHUKWUMA UMUNAKWE M.D.
Emergency Medicine
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Anderson County (202) 841-5854
AATHI LAKSHMI MARIAPPAN
Internal Medicine
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Anderson County (865) 835-1000
HARBER INGLE CRNA
Nurse Anesthetist, Certified Registered
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Anderson County (800) 611-6713
DR. GABRIELLE LACHAPELLE BRUMFIELD MD
Student in an Organized Health Care Education/Training Program
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Anderson County (865) 835-1000
MRS. HOLLY MOLER-KROHNE RD
Dietitian, Registered
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Anderson County (865) 835-4109
HERMANN PETER VALENTINE CLAUSSEN III MD
Radiology (Diagnostic Radiology)
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Anderson County (865) 481-1162
KENNETH L BOSWELL CRNA
Nurse Anesthetist, Certified Registered
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Anderson County (865) 481-1112

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 Christopher Criswell's NPI number?

The NPI number for Christopher Criswell is 1972571073. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is Christopher Criswell located?

Christopher Criswell practices at 990 Oak Ridge Tpke, Oak Ridge, TN 37830. The listed phone number is (865) 481-1112.

What is Christopher Criswell's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Christopher Criswell enrolled in Medicare?

Yes. Christopher Criswell 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 Christopher Criswell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Criswell reassigns Medicare benefits to Covenant Anesthesia Group, PC (Oak Ridge, TN). 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 Christopher Criswell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Criswell accept?

Health plans from Cigna Healthcare list Christopher Criswell 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 Christopher Criswell affiliated with any hospitals?

According to CMS data, Christopher Criswell is affiliated with Methodist Medical Center Of Oak Ridge.

When was this NPI record last updated?

The NPPES record for Christopher Criswell was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.