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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FARIBA DAYHIM M.D.
NPI 1790941805
Surgery in Lewiston, ME

Active since July 29, 2008PECOS EnrolledAccepts Medicare Assignment
17 HIGH ST STE 2, LEWISTON, ME 04240(207) 344-2921 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 7, 2026, Mar 10, 2023, Jan 31, 2023 and 4 more (7 updates tracked since 2018).

About Fariba Dayhim M.d. NPPES

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

FARIBA DAYHIM M.D. (NPI 1790941805) is an individual surgery provider in Lewiston, Maine, licensed in Maine (MD18264) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Saint Anthony Medical Center, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1790941805
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameFARIBA DAYHIMCredential: M.D.
Location Address17 HIGH ST STE 2Lewiston, ME 04240-7614
Mailing Address89 Main StOrono, ME 04473-4002 · (207) 356-1209
Phone(207) 344-2921
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJuly 29, 2008
Last NPPES UpdateOctober 7, 20267 updates tracked since enumeration
NPPES CertifiedOctober 7, 2026
✔ NPI 1790941805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in ME · MD18264✔ Licensed in IL · 036.159773
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.
17 HIGH ST STE 2, Lewiston, ME 04240
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Other Identifiers 2

Medicaid196744001TX
Other8BN480TX · Bc/bs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Dean Health Plan, Taro Health.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

Fariba Dayhim 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 ID2466510235
PECOS Enrollment IDI20220810001927
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

2

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

Osf Multi-Specialty Group
1,018 mi
Internal Medicine
8600 N STATE ROUTE 91
Peoria, IL 61615
  • Reassigned Medicare billing, Illinois enrollment
  • 2,944 clinicians in this Medicare group
NPI 1154908929 (309) 683-5050
Physician Services Corporation Of Southern Illinois Inc.
1,052 mi
Internal Medicine
4218 LINCOLNSHIRE DR
Mount Vernon, IL 62864
  • Reassigned Medicare billing, Illinois enrollment
  • 296 clinicians in this Medicare group
NPI 1831101807 (618) 899-3600

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
15 services15 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Saint Anthony Medical Center

Acute Care Hospitals · Rockford, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140233
Location5666 East State StreetRockford, IL 61108 · Winnebago County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04240 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
$82.58 typical visit price
range $53.26 – $162.77
Typical copayment $20.64 (range $13.31 – $40.69)
Most-billed visit code 99203
Established Patient
$66.74 typical visit price
range $16.90 – $132.79
Typical copayment $16.68 (range $4.22 – $33.19)
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.

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 Fariba Dayhim's NPI number?

The NPI number for Fariba Dayhim is 1790941805. It was assigned to this individual provider in the NPPES registry on July 29, 2008.

Where is Fariba Dayhim located?

Fariba Dayhim practices at 17 High St Ste 2, Lewiston, ME 04240. The listed phone number is (207) 344-2921.

What is Fariba Dayhim's specialty?

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

Is Fariba Dayhim enrolled in Medicare?

Yes. Fariba Dayhim 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 Fariba Dayhim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fariba Dayhim reassigns Medicare benefits to 2 organizations: Osf Multi-Specialty Group (Peoria, IL) and Physician Services Corporation Of Southern Illinois Inc. (Mount Vernon, IL). 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 Fariba Dayhim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Fariba Dayhim accept?

Health plans from Dean Health Plan and Taro Health list Fariba Dayhim 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 Fariba Dayhim affiliated with any hospitals?

According to CMS data, Fariba Dayhim is affiliated with Saint Anthony Medical Center.

When was this NPI record last updated?

The NPPES record for Fariba Dayhim was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.