DR. JOHN F. ROSER JR. D.O.
NPI 1730170853
Family Medicine in Fairfax, VA

NPI Status: Active since October 31, 2005

Contact Information

4375 FAIR LAKES CT
FAIRFAX, VA
ZIP 22033
Phone: (571) 432-2600
Fax: (571) 432-2795

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  • Individual
  • Male
  • Family Medicine
  • PECOS Enrolled

About JOHN ROSER

This page provides the complete NPI Profile along with additional information for John Roser, a primary care provider established in Fairfax, Virginia with a medical specialization in Family Medicine. The healthcare provider is registered in the NPI registry with number 1730170853 assigned on October 2005. The practitioner's primary taxonomy code is 207Q00000X with license number 0102201281 (VA). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1730170853
Provider Name
DR. JOHN F. ROSER JR. D.O.
Gender
Male
Entity Type
Individual
Location Address
4375 FAIR LAKES CT FAIRFAX, VA 22033
Location Phone
(571) 432-2600
Location Fax
(571) 432-2795
Mailing Address
4375 FAIR LAKES CT FAIRFAX, VA 22033
Mailing Phone
(571) 432-2600
Mailing Fax
(571) 432-2795
Is Sole Proprietor?
No
Enumeration Date
10-31-2005
Last Update Date
04-14-2022
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A primary care provider (PCP) like John Roser sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

Location Map

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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
License No.
0102201281
License State
VA
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Medicare Participation & PECOS Enrollment Status

John Roser 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

  • 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

Physician Visit Costs

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 22033 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $100.31
  • Minimum New Patient Price $65.18
  • Maximum New Patient Price $194.86
  • Average New Patient Copayment $25.07
  • Minimum New Patient Copayment $16.29
  • Maximum New Patient Copayment $48.71

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $113.72
  • Minimum Established Patient Price $21.4
  • Maximum Established Patient Price $158.88
  • Average Established Patient Copayment $28.43
  • Minimum Established Patient Copayment $5.35
  • Maximum Established Patient Copayment $39.72

* 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.

Reviews for DR. JOHN F. ROSER JR. D.O.

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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 1730170853, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 2 + 7 + 0 + 8 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1730170853.

Other Providers at the Same Location


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

Dietitian, Registered
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Pharmacist
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Physician Assistant
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Physical Therapist
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Pharmacist
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Family Medicine
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Family Medicine
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Physician Assistant (Medical)
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Registered Nurse
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Registered Nurse (Case Management)
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Registered Nurse
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Psychologist (Clinical)
4375 FAIR LAKES CT, 3RD FLOOR BEHAVIORAL HEALTH DEPT
FAIRFAX, VA 22033
Nurse Practitioner (Family)
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Nurse Practitioner (Family)
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Family Medicine (Sports Medicine)
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Nurse Practitioner (Family)
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Internal Medicine
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Internal Medicine
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Nurse Practitioner (Women's Health)
4375 FAIR LAKES CT
FAIRFAX, VA 22033
Family Medicine
4375 FAIR LAKES CT
FAIRFAX, VA 22033

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730170853, enumerated as an "individual" on October 31, 2005.

The provider is located at 4375 FAIR LAKES CT FAIRFAX, VA 22033 and the phone number is (571) 432-2600.

Family Medicine with taxonomy code 207Q00000X.