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DR. ERMENEGILDO E. FREZZA M.D.
NPI 1083698435
Surgery in Roswell, NM

Active since November 30, 2005PECOS EnrolledAccepts Medicare Assignment
311 W COUNTRY CLUB RD, STE 1, ROSWELL, NM 88201(575) 625-3400(575) 625-3415 Get Directions Write a Review

NPPES record last updated: January 5, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Ermenegildo E. Frezza M.d. NPPES

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

DR. ERMENEGILDO E. FREZZA M.D. (NPI 1083698435) is an individual surgery provider in Roswell, New Mexico, licensed in New Mexico (MD2006-0035) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1083698435
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. ERMENEGILDO E. FREZZACredential: M.D.
Location Address311 W COUNTRY CLUB RD, STE 1Roswell, NM 88201-5839
Mailing Address311 W Country Club Rd, Ste 1Roswell, NM 88201-5839 · (575) 625-3400 · Fax (575) 625-3415
Phone(575) 625-3400
Fax(575) 625-3415
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateNovember 30, 2005
Last NPPES UpdateJanuary 5, 2017
✔ NPI 1083698435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in NM · MD2006-0035✔ Licensed in TX · M1684
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
311 W COUNTRY CLUB RD, Roswell, NM 88201
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Other Identifiers 2

Medicare PIN393212YS2ATX
Medicaid159122407TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna Healthcare, UnitedHealthcare.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

Dr. Ermenegildo E. Frezza M.d. 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 ID4385674415
PECOS Enrollment IDI20180726001621
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

6

Medicare enrollment records show Ermenegildo Frezza reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dimmit Regional Hospital
429 mi
Rural Health
1313 VETERANS AVE STE A
Crystal City, TX 78839
  • Reassigned Medicare billing, Texas enrollment
  • Also billed through NPI 1326134255 (Texas)
  • 57 clinicians in this Medicare group
NPI 1750901070 (830) 374-9823
Emergency Staffing Solutions Inc
658 mi
Emergency Medicine
240 HIGHLAND DR
Many, LA 71449
  • Reassigned Medicare billing, New Mexico enrollment
  • 152 clinicians in this Medicare group
NPI 1477590974 (318) 256-5691
Ess Hospitalist LLC
728 mi
Hospitalist
1015 UNITY RD
Crossett, AR 71635
  • Reassigned Medicare billing, New Mexico enrollment
  • 114 clinicians in this Medicare group
NPI 1881967305 (866) 931-8882
American Specialty Physicians Group Inc
971 mi
Emergency Medicine
700 17TH ST STE 205
Modesto, CA 95354
  • Reassigned Medicare billing, California enrollment
  • 180 clinicians in this Medicare group
NPI 1164363024 (877) 346-2211
Surgicalists Of Ca PC
1,013 mi
Surgery
155 N JACKSON AVE STE 201
San Jose, CA 95116
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
NPI 1992341895 (408) 770-5224
Glenn Medical Center, LLC
1,068 mi
Medicare Defined Swing Bed Unit
1133 W SYCAMORE ST
Willows, CA 95988
  • Reassigned Medicare billing, California enrollment
  • 53 clinicians in this Medicare group
NPI 1336187178 (530) 934-1800

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
22 services20 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
14 services14 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 88201 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
$84.79 typical visit price
range $54.26 – $166.80
Typical copayment $21.19 (range $13.56 – $41.70)
Most-billed visit code 99203
Established Patient
$68.00 typical visit price
range $17.00 – $135.35
Typical copayment $17.00 (range $4.25 – $33.83)
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 3

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

INDUSTRIAL REHABILITATION CLINICS, PC
Physical Medicine & Rehabilitation
311 W COUNTRY CLUB RD, #1
ROSWELL, NM 88201
Chaves County (505) 622-6365
DR. ATIA SHIREEN HASHIM M.D.
Internal Medicine (Gastroenterology)
311 W COUNTRY CLUB RD, STE 1
ROSWELL, NM 88201
Chaves County (575) 623-2836
LOVELACE HEALTH SYSTEM, INC.
Internal Medicine (Cardiovascular Disease)
311 W COUNTRY CLUB RD, SUITE 1
ROSWELL, NM 88201
Chaves County (575) 623-2836

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 Ermenegildo Frezza's NPI number?

The NPI number for Ermenegildo Frezza is 1083698435. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Where is Ermenegildo Frezza located?

Ermenegildo Frezza practices at 311 W Country Club Rd Ste 1, Roswell, NM 88201. The listed phone number is (575) 625-3400.

What is Ermenegildo Frezza's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Ermenegildo Frezza enrolled in Medicare?

Yes. Ermenegildo Frezza 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 Ermenegildo Frezza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ermenegildo Frezza reassigns Medicare benefits to 6 organizations: Dimmit Regional Hospital (Crystal City, TX), Emergency Staffing Solutions Inc (Many, LA), Ess Hospitalist LLC (Crossett, AR), American Specialty Physicians Group Inc (Modesto, CA), Surgicalists Of Ca PC (San Jose, CA) and 1 more organization, listed in the Medicare section above. 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 Ermenegildo Frezza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ermenegildo Frezza accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare and UnitedHealthcare list Ermenegildo Frezza 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 Ermenegildo Frezza was last updated on January 5, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.