DEMETRIUS S STELMASHENKO PA-C
NPI 1891789889
Physician Assistant - Surgical in Orlando, FL

NPI Status: Active since September 06, 2005

Contact Information

92 W MILLER ST
ORLANDO, FL
ZIP 32806
Phone: (407) 649-6907
Fax: (321) 841-5245

Get Directions Write a Review

  • Individual
  • Male
  • Years of Experience 33
  • Physician Assistant
  • Surgical
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About DEMETRIUS STELMASHENKO

This page provides the complete NPI Profile along with additional information for Demetrius Stelmashenko, a provider established in Orlando, Florida with a medical specialization in Physician Assistant, focusing in surgical and more than 33 years of experience. He graduated from University Of Florida College Of Medicine in 1993. The healthcare provider is registered in the NPI registry with number 1891789889 assigned on September 2005. The practitioner's primary taxonomy code is 363AS0400X with license number PA2873 (FL). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1891789889
Provider Name
DEMETRIUS S STELMASHENKO PA-C
Gender
Male
Entity Type
Individual
Location Address
92 W MILLER ST ORLANDO, FL 32806
Location Phone
(407) 649-6907
Location Fax
(321) 841-5245
Mailing Address
92 W MILLER ST ORLANDO, FL 32806
Mailing Phone
(407) 649-6907
Mailing Fax
(321) 841-5245
Medical School Name
UNIVERSITY OF FLORIDA COLLEGE OF MEDICINE
Graduation Year
1993
Is Sole Proprietor?
No
Enumeration Date
09-06-2005
Last Update Date
06-20-2024
Code Navigator

Location Map

Secondary Locations

  • 4215 Edgewater Dr
    Orlando, FL 32804
    (407) 539-2000

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

Physician Assistant Surgical

Taxonomy Code
363AS0400X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
PA2873
License State
FL

Insurance Plans Accepted

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

  • AmeriHealth Caritas Next Bronze Essential + No Referrals - HMO
  • AmeriHealth Caritas Next Bronze Premier + No Referrals - HMO
  • AmeriHealth Caritas Next Bronze Signature + No Referrals - HMO
  • AmeriHealth Caritas Next Gold Premier + No Referrals - HMO
  • AmeriHealth Caritas Next Gold Signature + No Referrals - HMO
  • AmeriHealth Caritas Next Silver Essential + No Referrals - HMO
  • AmeriHealth Caritas Next Silver Premier + No Referrals - HMO
  • AmeriHealth Caritas Next Silver Signature + No Referrals - HMO
  • AvMed Entrust Bronze 600 (2026) - HMO
  • AvMed Entrust Bronze 650 (2026) - HMO
  • AvMed Entrust Expanded Bronze Standard (2026) - HMO
  • AvMed Entrust Gold 125 (2026) - HMO
  • AvMed Entrust Gold 125 Dental+Vision (2026) - HMO
  • AvMed Entrust Gold Standard (2026) - HMO
  • AvMed Entrust Platinum 25 (2026) - HMO
  • AvMed Entrust Platinum 25 Dental+Vision (2026) - HMO
  • AvMed Entrust Platinum Standard (2026) - HMO
  • AvMed Entrust Silver 350 (2026) - HMO
  • AvMed Entrust Silver 350 Dental+Vision (2026) - HMO
  • AvMed Entrust Silver 550 (2026) - HMO
  • AvMed Entrust Silver 550 Dental+Vision (2026) - HMO
  • AvMed Entrust Silver Standard (2026) - HMO
  • Molina Bronze Enhanced 3500 - HMO
  • Molina Bronze Enhanced 3500 Plus with Adult Dental and Vision - HMO
  • Molina Bronze Enhanced 3500 Plus with Adult Vision - HMO
  • Molina Bronze Premier with $0 Medical Deductible - HMO
  • Molina Bronze Premier with $0 Medical Deductible Plus with Adult Dental and Vision - HMO
  • Molina Bronze Premier with $0 Medical Deductible Plus with Adult Vision - HMO
  • Molina Bronze Standard - HMO
  • Molina Gold Core 1640 - HMO
  • Molina Gold Core 1640 Plus with Adult Dental and Vision - HMO
  • Molina Gold Core 1640 Plus with Adult Vision - HMO
  • Molina Gold Enhanced 895 - HMO
  • Molina Gold Enhanced 895 Plus with Adult Dental and Vision - HMO
  • Molina Gold Enhanced 895 Plus with Adult Vision - HMO
  • Molina Gold Standard - HMO
  • Molina Silver Access - HMO
  • Molina Silver Access Plus with Adult Dental and Vision - HMO
  • Molina Silver Access Plus with Adult Vision - HMO
  • Molina Silver Core - HMO
  • Molina Silver Core Plus with Adult Dental and Vision - HMO
  • Molina Silver Core Plus with Adult Vision - HMO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

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

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
120943700MEDICAID (05)FL 

Medicare Participation & PECOS Enrollment Status

Demetrius Stelmashenko 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.

Demetrius Stelmashenko 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: 1759285315

    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: I20101007000233

    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

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. Demetrius Stelmashenko is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
ORLANDO HEALTH52 W UNDERWOOD ST
ORLANDO, FL 32806
(321) 841-5111Acute Care Hospitals

Reviews for DEMETRIUS S STELMASHENKO PA-C

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 1891789889, we treat the final digit (9) 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 81. The final step is to find the difference between that total and the next multiple of ten (90 - 81 = 9).

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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
9
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 9 → 18 → 9 7 → 14 → 5 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 4 + 8 + 1 + 8 + 8 + 1 + 6 + 24 = 81

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

The next multiple of ten after 81 is 90. The difference is the calculated check digit.

90 - 81 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1891789889.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
92 W MILLER ST
ORLANDO, FL 32806
Anesthesiology (Pediatric Anesthesiology)
92 W MILLER ST
ORLANDO, FL 32806
Surgery (Vascular Surgery)
92 W MILLER ST
ORLANDO, FL 32806
Social Worker (Clinical)
92 W MILLER ST
ORLANDO, FL 32806
Audiologist
92 W MILLER ST
ORLANDO, FL 32806
General Acute Care Hospital (Children)
92 W MILLER ST, ATTN: PICU
ORLANDO, FL 32806
Physician Assistant (Medical)
92 W MILLER ST
ORLANDO, FL 32806
Hospitalist
92 W MILLER ST
ORLANDO, FL 32806
Pharmacist
92 W MILLER ST, MP 374
ORLANDO, FL 32806
Hospitalist
92 W MILLER ST
ORLANDO, FL 32806
Pediatrics
92 W MILLER ST
ORLANDO, FL 32806
Hospitalist
92 W MILLER ST, MAILPOINT 356
ORLANDO, FL 32806
Pharmacy (Home Infusion Therapy Pharmacy)
92 W MILLER ST
ORLANDO, FL 32806
Nurse Practitioner
92 W MILLER ST
ORLANDO, FL 32806
Anesthesiology (Pediatric Anesthesiology)
92 W MILLER ST
ORLANDO, FL 32806
Pediatrics (Pediatric Hematology-Oncology)
92 W MILLER ST
ORLANDO, FL 32806
Nurse Anesthetist, Certified Registered
92 W MILLER ST
ORLANDO, FL 32806
Pediatrics (Pediatric Critical Care Medicine)
92 W MILLER ST
ORLANDO, FL 32806
Pediatrics (Pediatric Emergency Medicine)
92 W MILLER ST
ORLANDO, FL 32806
Hospitalist
92 W MILLER ST, MAIL POINT 356
ORLANDO, FL 32806

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891789889, enumerated as an "individual" on September 06, 2005.

The provider is located at 92 W MILLER ST ORLANDO, FL 32806 and the phone number is (407) 649-6907.

Physician Assistant with taxonomy code 363AS0400X and a focus in Surgical.

The provider might be accepting Accepts: AmeriHealth Caritas Next, AvMed, Molina. Please consult your insurance carrier or call the provider to verify.

Demetrius Stelmashenko is affiliated with: ORLANDO HEALTH.