DR. REZA RAHBAR-SEMNANI MD
NPI 1952540247
Colon & Rectal Surgery in Rockport, ME

NPI Status: Active since February 11, 2009

Contact Information

4 GLEN COVE DR STE 10
ROCKPORT, ME
ZIP 04856
Phone: (207) 301-5790
Fax: (207) 301-5310

Get Directions Write a Review

  • Individual
  • Male
  • Years of Experience 22
  • Colon & Rectal Surgery
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About REZA RAHBAR-SEMNANI

This page provides the complete NPI Profile along with additional information for Reza Rahbar-semnani, a provider established in Rockport, Maine with a medical specialization in Colon & Rectal Surgery and more than 22 years of experience. He graduated from University Of North Carolina At Chapel Hill School Of Medicine in 2004. The healthcare provider is registered in the NPI registry with number 1952540247 assigned on February 2009. The practitioner's primary taxonomy code is 208C00000X with license number 2010-00980 (NC). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1952540247
Provider Name
DR. REZA RAHBAR-SEMNANI MD
Other Name
REZA RAHBAR MD
Other Name Type
Other Name (5)
Gender
Male
Entity Type
Individual
Location Address
4 GLEN COVE DR STE 10 ROCKPORT, ME 04856
Location Phone
(207) 301-5790
Location Fax
(207) 301-5310
Mailing Address
4 GLEN COVE DR STE 10 ROCKPORT, ME 04856
Mailing Phone
(207) 301-5790
Mailing Fax
(207) 301-5310
Medical School Name
UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL SCHOOL OF MEDICINE
Graduation Year
2004
Is Sole Proprietor?
No
Enumeration Date
02-11-2009
Last Update Date
04-07-2026
Code Navigator

Location Map

Secondary Locations

  • 929 Kildaire Farm Rd Ste 103
    Cary, NC 27511
    (919) 858-0892
  • 2800 Blue Ridge Rd Ste 300
    Raleigh, NC 27607
    (919) 784-7874
  • 600 New Waverly Pl Ste 203
    Cary, NC 27518
    (984) 306-2011
  • 12 High St Ste 401
    Lewiston, ME 04240
    (207) 795-5767
  • 2601 Lake Dr Ste 201
    Raleigh, NC 27607
    (919) 783-4888

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Colon & Rectal Surgery

Taxonomy Code
208C00000X
Type
Allopathic & Osteopathic Physicians
License No.
2010-00980
License State
NC
Taxonomy Description
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1208600000XAllopathic & Osteopathic Physicians

Surgery

MD21421 (ME)
2208600000XAllopathic & Osteopathic Physicians

Surgery

2010-00980 (NC)
3208C00000XAllopathic & Osteopathic Physicians

Colon & Rectal Surgery

MD21421 (ME)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Anthem Bronze Access Blue New England HMO 6000/20%/8000 w/HSA - HMO
  • Anthem Bronze Access Blue New England HMO 7000/50%/8000 w/HSA - HMO
  • Anthem Bronze Access Blue New England HMO 7500/30%/10000 Value - HMO
  • Anthem Bronze Access Blue New England HMO 8500/50%/9200 - HMO
  • Anthem Gold Access Blue New England HMO 1000/20%/7500 - HMO
  • Anthem Gold Access Blue New England HMO 2000/0%/6500 RxD - HMO
  • Anthem Gold Access Blue New England HMO 2000/10%/4600 w/HSA - HMO
  • Anthem Gold Access Blue New England HMO 2000/10%/7500 - HMO
  • Anthem Gold Access Blue New England HMO 2000/20%/4600 w/HSA - HMO
  • Anthem Gold Access Blue New England HMO 3000/0%/7500 RxD - HMO
  • Anthem Gold Access Blue New England HMO 500/30%/9000 - HMO
  • Anthem Platinum Access Blue New England HMO 250/10%/3500 - HMO
  • Anthem Silver Access Blue New England HMO 2500/30%/10000 Value - HMO
  • Anthem Silver Access Blue New England HMO 3000/30%/9000 Value - HMO
  • Anthem Silver Access Blue New England HMO 3500/20%/10000 - HMO
  • Anthem Silver Access Blue New England HMO 3500/20%/7250 w/HSA - HMO
  • Anthem Silver Access Blue New England HMO 4000/0%/9000 - HMO
  • Anthem Silver Access Blue New England HMO 4000/0%/9000 RxD - HMO
  • Anthem Silver Access Blue New England HMO 4000/10%/7250 w/HSA - HMO
  • Anthem Silver Access Blue New England HMO 4000/20%/8500 - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Reza Rahbar-semnani is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Reza Rahbar-semnani is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 2365634458

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20101007000729, I20170119000618

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Orthotic Devices

  • DME-Orthotic Devices (DF010N)

    Skin barrier; solid, 4 x 4 or equivalent; each (HCPCS:A4362)

    3 DME suppliers used 16 Medicare Claims 500 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy skin barrier, with flange (solid, flexible or accordion), with built-in convexity, any size, each (HCPCS:A4373)

    1 DME suppliers used 11 Medicare Claims 260 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each (HCPCS:A4385)

    6 DME suppliers used 78 Medicare Claims 2160 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce (HCPCS:A4394)

    2 DME suppliers used 19 Medicare Claims 215 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each (HCPCS:A4407)

    3 DME suppliers used 20 Medicare Claims 365 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy skin barrier, with flange (solid, flexible or accordion), without built-in convexity, 4 x 4 inches or smaller, each (HCPCS:A4414)

    2 DME suppliers used 20 Medicare Claims 500 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each (HCPCS:A4425)

    3 DME suppliers used 22 Medicare Claims 620 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy pouch, drainable; for use on barrier with flange (2 piece system), each (HCPCS:A5063)

    1 DME suppliers used 17 Medicare Claims 370 Services Paid

  • DME-Orthotic Devices (DF010N)

    Skin barrier, wipes or swabs, each (HCPCS:A5120)

    5 DME suppliers used 47 Medicare Claims 1700 Services Paid

Durable Medical Equipment

  • DME-Medical/Surgical Supplies (DA000N)

    Adhesive remover, wipes, any type, each (HCPCS:A4456)

    5 DME suppliers used 33 Medicare Claims 1025 Services Paid

Unknown

  • Other-Enteral and Parenteral (OB005N)

    Parenteral nutrition solution, not otherwise specified, 10 grams lipids (HCPCS:B4185)

    3 DME suppliers used 27 Medicare Claims 572 Services Paid

  • Other-Enteral and Parenteral (OB005N)

    Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix (HCPCS:B4197)

    2 DME suppliers used 23 Medicare Claims 148 Services Paid

  • Other-Enteral and Parenteral (OB005N)

    Parenteral nutrition supply kit; premix, per day (HCPCS:B4220)

    3 DME suppliers used 27 Medicare Claims 176 Services Paid

  • Other-Enteral and Parenteral (OB005N)

    Parenteral nutrition administration kit, per day (HCPCS:B4224)

    3 DME suppliers used 27 Medicare Claims 176 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Colonoscopy

A colonoscopy is a medical procedure that allows your doctor to examine your colon (the large intestine). It utilizes a thin, flexible tube with a tiny camera on the end, which is inserted through the rectum. This procedure can help identify issues such as polyps, inflammation, or early signs of cancer. It's usually recommended for people over 50 or those with specific risk factors.

This service was performed for 25 patients

Diagnostic exam of posterior opening using an endoscope

This procedure involves using a thin, flexible instrument called an endoscope to examine the posterior opening area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.

This service was performed 18 times for 18 patients

Established patient office or other outpatient visit, 10-19 minutes

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

This service was performed 12 times for 11 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 74 times for 62 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 67 times for 63 patients

Hernia repair - groin (open)

Hernia repair in the groin area (open) is a surgical procedure to fix a bulge or protrusion, caused by internal tissues pushing through a weak spot in your abdominal wall. In this operation, a small incision is made in the groin area. The protruding tissue is then placed back into the abdomen, and the weakened area is reinforced with stitches or a mesh.

This service was performed for 1-10 patients

Melanoma (skin cancer) excision

Melanoma excision is a procedure where a surgeon removes melanoma, a type of skin cancer, and some surrounding healthy tissue. Local anesthesia is applied to numb the area. The goal is to completely remove the cancer and prevent its spread. Healing time varies.

This service was performed for 1-10 patients

New patient office or other outpatient visit, 45-59 minutes

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.

This service was performed 66 times for 66 patients

New patient office or other outpatient visit, 60-74 minutes

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.

This service was performed 41 times for 41 patients

Partial release of large bowel and partial removal of large bowel using an endoscope

This procedure involves using an endoscope, a flexible tube with a camera, to partially release and remove a section of your large bowel. It's a minimally invasive surgery that helps treat conditions like cancer or bowel obstruction.

This service was performed 27 times for 27 patients

Partial removal of large bowel and reattachment to rectum using an endoscope

This procedure involves the partial removal of the large bowel, also known as the colon, due to disease or other health concerns. Using an endoscope, a long, flexible tube with a camera, the surgeon will then reconnect the remaining healthy parts of the bowel to the rectum.

This service was performed 25 times for 25 patients

Removal of external hemorrhoids by rubber banding

Rubber band ligation is a procedure used to treat external hemorrhoids. A doctor places small rubber bands around the base of the hemorrhoids. This cuts off blood supply, causing them to shrink and fall off, typically within a week.

This service was performed 34 times for 30 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $20.64 for a new patient copayment and $16.68 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 04856 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $82.58
  • Minimum New Patient Price $53.26
  • Maximum New Patient Price $162.77
  • Average New Patient Copayment $20.64
  • Minimum New Patient Copayment $13.31
  • Maximum New Patient Copayment $40.69

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $66.74
  • Minimum Established Patient Price $16.9
  • Maximum Established Patient Price $132.79
  • Average Established Patient Copayment $16.68
  • Minimum Established Patient Copayment $4.22
  • Maximum Established Patient Copayment $33.19

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Reza Rahbar-semnani is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
PENOBSCOT BAY MEDICAL CENTER6 GLEN COVE DRIVE
ROCKPORT, ME 04856
(207) 921-8000Acute Care Hospitals

Reviews for DR. REZA RAHBAR-SEMNANI MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1952540247, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
4
Doubled → 8
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 5 → 10 → 1 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 1 + 0 + 2 + 1 + 0 + 4 + 0 + 2 + 8 + 24 = 53

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1952540247.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
4 GLEN COVE DR STE 10
ROCKPORT, ME 04856
Internal Medicine (Gastroenterology)
4 GLEN COVE DR STE 10
ROCKPORT, ME 04856
Internal Medicine (Gastroenterology)
4 GLEN COVE DR STE 10
ROCKPORT, ME 04856
Internal Medicine (Gastroenterology)
4 GLEN COVE DR STE 10
ROCKPORT, ME 04856
Internal Medicine (Gastroenterology)
4 GLEN COVE DR STE 10
ROCKPORT, ME 04856

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952540247, enumerated as an "individual" on February 11, 2009.

The provider is located at 4 GLEN COVE DR STE 10 ROCKPORT, ME 04856 and the phone number is (207) 301-5790.

Colon & Rectal Surgery with taxonomy code 208C00000X.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield. Please consult your insurance carrier or call the provider to verify.

Reza Rahbar-semnani is affiliated with: PENOBSCOT BAY MEDICAL CENTER.