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NATHAN GRISWOLD
NPI 1578169488
Nurse Anesthetist, Certified Registered in Traverse City, MI

Active since December 07, 2020Accepts Medicare Assignment
4100 PARK FOREST DR STE 210, TRAVERSE CITY, MI 49684(231) 935-5770 Get Directions Write a Review

NPPES record last updated: June 14, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 14, 2021, Dec 7, 2020 (2 updates tracked since 2020).

About Nathan Griswold NPPES

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

NATHAN GRISWOLD (NPI 1578169488) is an individual nurse anesthetist, certified registered in Traverse City, Michigan, licensed in Michigan (4704315731) and active in the NPI registry since December 2020. He is affiliated with Munson Medical Center and is a graduate of Other (2021).

NPPES Registry Identity

NPI1578169488
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameNATHAN GRISWOLD
Location Address4100 PARK FOREST DR STE 210Traverse City, MI 49684-7306
Mailing Address2630 Elm Hill Pike Ste 350Nashville, TN 37214-3176 · (615) 327-4304
Phone(231) 935-5770
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateDecember 7, 2020
Last NPPES UpdateJune 14, 20212 updates tracked since enumeration
NPPES CertifiedJune 14, 2021
✔ NPI 1578169488 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 MI · 4704315731
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.
4100 PARK FOREST DR STE 210, Traverse City, MI 49684
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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

Nathan Griswold 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 ID6204236102
PECOS Enrollment IDI20210615001284

Medicare Billing Reassignments

2

Medicare enrollment records show Nathan Griswold reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Munson Medical Group
0.9 mi
Family Medicine
1400 MEDICAL CAMPUS DR
Traverse City, MI 49684
  • Reassigned Medicare billing, Michigan enrollment
  • 191 clinicians in this Medicare group
NPI 1861047060 (231) 935-8000
Munson Medical Center
1.2 mi
Anesthesiology
1105 SIXTH ST
Traverse City, MI 49684
  • Reassigned Medicare billing, Michigan enrollment
  • 74 clinicians in this Medicare group
NPI 1710735287 (231) 935-5710

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 4

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 procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
20 services20 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
17 services17 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
15 services15 patients
Anesthesia for total hip replacement 01214
Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

Munson Medical Center

Acute Care Hospitals · Traverse City, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230097
Location1105 Sixth StreetTraverse City, MI 49684 · Grand Traverse County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49684 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STEPHANIE MAE SWANSON
Nurse Anesthetist, Certified Registered
4100 PARK FOREST DR STE 210
TRAVERSE CITY, MI 49684
Grand Traverse County (231) 935-5770
REBECCA JAHN CRNA
Nurse Anesthetist, Certified Registered
4100 PARK FOREST DR STE 210
TRAVERSE CITY, MI 49684
Grand Traverse County (231) 935-5770
MRS. ALISON ROSE WALDECKER RN
Nurse Anesthetist, Certified Registered
4100 PARK FOREST DR STE 210
TRAVERSE CITY, MI 49684
Grand Traverse County (231) 935-5770
DEREK GELVEN SRNA
Nurse Anesthetist, Certified Registered
4100 PARK FOREST DR STE 210
TRAVERSE CITY, MI 49684
Grand Traverse County (231) 392-8742
JOEL GRIFFITH
Nurse Anesthetist, Certified Registered
4100 PARK FOREST DR STE 210
TRAVERSE CITY, MI 49684
Grand Traverse County (231) 935-5770
MARGARET PARKS
Nurse Anesthetist, Certified Registered
4100 PARK FOREST DR STE 210
TRAVERSE CITY, MI 49684
Grand Traverse County (231) 935-5770
PATRICK JOSEPH DARGA
Anesthesiology
4100 PARK FOREST DR STE 210
TRAVERSE CITY, MI 49684
Grand Traverse County (231) 935-5770
CHELSEA HOLZWORTH CRNA
Nurse Anesthetist, Certified Registered
4100 PARK FOREST DR STE 210
TRAVERSE CITY, MI 49684
Grand Traverse County (231) 935-5770

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 Nathan Griswold's NPI number?

The NPI number for Nathan Griswold is 1578169488. It was assigned to this individual provider in the NPPES registry on December 7, 2020.

Where is Nathan Griswold located?

Nathan Griswold practices at 4100 Park Forest Dr Ste 210, Traverse City, MI 49684. The listed phone number is (231) 935-5770.

What is Nathan Griswold's specialty?

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

Is Nathan Griswold enrolled in Medicare?

Yes. Nathan Griswold 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 Nathan Griswold's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Griswold reassigns Medicare benefits to 2 organizations: Munson Medical Group (Traverse City, MI) and Munson Medical Center (Traverse City, MI). 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 Nathan Griswold's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nathan Griswold affiliated with any hospitals?

According to CMS data, Nathan Griswold is affiliated with Munson Medical Center.

When was this NPI record last updated?

The NPPES record for Nathan Griswold was last updated on June 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.