LARRY D MAY CRNA
NPI 1114941838
Nurse Anesthetist, Certified Registered in Hattiesburg, MS

Active since July 26, 2006PECOS Enrolled
415 S 28TH AVE, HATTIESBURG, MS 39401(601) 261-3606(601) 579-5166 Get Directions Write a Review

NPPES record last updated: March 27, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Larry D May Crna NPPES

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

LARRY D MAY CRNA (NPI 1114941838) is an individual nurse anesthetist, certified registered in Hattiesburg, Mississippi, licensed in Mississippi (R814043) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114941838
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameLARRY D MAYCredential: CRNA
Location Address415 S 28TH AVEHattiesburg, MS 39401-7246
Mailing Address415 S 28th AveHattiesburg, MS 39401-7246 · (601) 261-3606 · Fax (601) 579-5166
Fax(601) 579-5166
Sole ProprietorNo
Enumeration DateJuly 26, 2006
Last NPPES UpdateMarch 27, 2009
✔ NPI 1114941838 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 MS · R814043
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.
415 S 28TH AVE, Hattiesburg, MS 39401

Other Identifiers 6

Other640507572OAMS · American Admin Group
Other430050102Railroad Medicare
Medicaid00120862MS
Medicare ID-Type Unspecified430001008
Medicaid1030767LA
Medicare UPINS79411

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Larry D May Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

3

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

Anesthesiology
2781 C T SWITZER SR DR STE 101
Biloxi, MS 39531
  • Reassigned Medicare billing, Mississippi enrollment
  • 9 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
1100 ANDRE ST, SUITE 300
New Iberia, LA 70563
  • Reassigned Medicare billing, Mississippi enrollment
  • 54 clinicians in this Medicare group
Anesthesiology
200 SE HOSPITAL AVE
Stuart, FL 34994
  • Reassigned Medicare billing, Florida enrollment
  • 225 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 2

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 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.
87 services81 patients
Anesthesia for procedure on eyelid 00103
Anesthesia for an eyelid procedure helps ensure comfort and painlessness during the operation. It's typically a local anesthetic, applied to numb your eyelid and surrounding area. You'll likely be awake but won't feel any discomfort. It's a safe, routine part of many eye procedures.
63 services63 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39401 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
$120.41 typical visit price
range $51.65 – $159.18
Typical copayment $30.10 (range $12.91 – $39.79)
Most-billed visit code 99204
Established Patient
$64.96 typical visit price
range $16.15 – $129.61
Typical copayment $16.24 (range $4.03 – $32.40)
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 20

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

Neurological Surgery
415 S 28TH AVE
HATTIESBURG, MS 39401
Nurse Anesthetist, Certified Registered
415 S 28TH AVE
HATTIESBURG, MS 39401
Anesthesiology
415 S 28TH AVE
HATTIESBURG, MS 39401
Hospitalist
415 S 28TH AVE
HATTIESBURG, MS 39401
Surgery
415 S 28TH AVE
HATTIESBURG, MS 39401
Psychiatry & Neurology (Neurology)
415 S 28TH AVE
HATTIESBURG, MS 39401
Anesthesiology
415 S 28TH AVE
HATTIESBURG, MS 39401
Hospitalist
415 S 28TH AVE
HATTIESBURG, MS 39401

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 Larry May's NPI number?

The NPI number for Larry May is 1114941838. It was assigned to this individual provider in the NPPES registry on July 26, 2006.

Where is Larry May located?

Larry May practices at 415 S 28th Ave, Hattiesburg, MS 39401. The listed phone number is (601) 261-3606.

What is Larry May's specialty?

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

Is Larry May enrolled in Medicare?

Yes. Larry May is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Larry May's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Larry May reassigns Medicare benefits to 3 organizations: Seahorse Anesthesia (Biloxi, MS), Youngs Professional Services LLC (New Iberia, LA) and Treasure Coast Anesthesia Group PA (Stuart, FL). 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 Larry May's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Larry May accept?

Health plans from Oscar Health Plan, Inc. list Larry May 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 Larry May was last updated on March 27, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.