GREGORY FREDERICK PARR CRNP
NPI 1366403131
Nurse Practitioner - Adult Health in Baltimore, MD

NPI Status: Active since March 31, 2006

Contact Information

10 N GREENE ST
VAMC BALTIMORE, DIVISION OF INFECTIOUS DISEASES
BALTIMORE, MD
ZIP 21201
Phone: (410) 605-7000
Fax: (410) 605-7709

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  • Individual
  • Male
  • Nurse Practitioner
  • Adult Health
  • Accepts Insurance
  • PECOS Enrolled

About GREGORY PARR

This page provides the complete NPI Profile along with additional information for Gregory Parr, a provider established in Baltimore, Maryland with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1366403131 assigned on March 2006. The practitioner's primary taxonomy code is 363LA2200X with license number R075508 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1366403131
Provider Name
GREGORY FREDERICK PARR CRNP
Gender
Male
Entity Type
Individual
Location Address
10 N GREENE ST VAMC BALTIMORE, DIVISION OF INFECTIOUS DISEASES BALTIMORE, MD 21201
Location Phone
(410) 605-7000
Location Fax
(410) 605-7709
Mailing Address
406 ROSEBANK AVE BALTIMORE, MD 21212
Mailing Phone
(410) 433-6754
Is Sole Proprietor?
Yes
Enumeration Date
03-31-2006
Last Update Date
07-08-2007
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A nurse practitioner (NP) like Gregory Parr is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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

Nurse Practitioner Adult Health

Taxonomy Code
363LA2200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
R075508
License State
MD

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
  • my Blue Access Major Events Select PPO Catastrophic 10600 - 3 Free PCP Visits - PPO
  • my Blue Access Select PPO Bronze 3800 - PPO
  • my Blue Access Select PPO Bronze 3800 + Adult Dental and Vision - PPO
  • my Blue Access Select PPO Bronze 9200 - PPO
  • my Blue Access Select PPO Gold 0 - PPO
  • my Blue Access Select PPO Gold 0 + Adult Dental and Vision - PPO
  • my Blue Access Select PPO Gold 1700 HSA - PPO
  • my Blue Access Select PPO Premier Gold 0 + Adult Dental and Vision - PPO
  • my Blue Access Select PPO Premier Platinum 0 + Adult Dental and Vision - PPO
  • my Blue Access Select PPO Premier Silver 0 + Adult Dental and Vision - PPO
  • my Blue Access Select PPO Standard Bronze 7500 - PPO
  • my Blue Access Select PPO Standard Gold 2000 - PPO
  • my Blue Access Select PPO Standard Gold 2000 + Adult Dental and Vision - PPO
  • my Blue Access Select PPO Standard Platinum 0 - PPO
  • my Blue Access Select PPO Standard Silver 6000 - PPO

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

Medicare Participation & PECOS Enrollment Status

Gregory Parr 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

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.

Initial hospital inpatient care per day, typically 30 minutes

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

This service was performed 14 times for 14 patients

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 27 times for 26 patients

Initial hospital inpatient care per day, typically 70 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 58 times for 58 patients

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 21201 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $94.08
  • Minimum New Patient Price $60.73
  • Maximum New Patient Price $183.44
  • Average New Patient Copayment $23.52
  • Minimum New Patient Copayment $15.18
  • Maximum New Patient Copayment $45.86

Established Patients Visit Costs *

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

  • Average Established Patient Price $106.59
  • Minimum Established Patient Price $19.6
  • Maximum Established Patient Price $149.17
  • Average Established Patient Copayment $26.64
  • Minimum Established Patient Copayment $4.9
  • Maximum Established Patient Copayment $37.29

* 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 GREGORY FREDERICK PARR CRNP

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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 1366403131, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
4
Doubled → 8
Pos 6
0
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
1
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 6 → 12 → 3 4 → 8 3 → 6 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 8 + 0 + 6 + 1 + 6 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1366403131.

Other Providers at the Same Location


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

Nurse Anesthetist, Certified Registered
10 N GREENE ST
BALTIMORE, MD 21201
Nurse Anesthetist, Certified Registered
10 N GREENE ST, BT-115
BALTIMORE, MD 21201
Nurse Practitioner (Family)
10 N GREENE ST
BALTIMORE, MD 21201
Surgery
10 N GREENE ST
BALTIMORE, MD 21201
Family Medicine
10 N GREENE ST
BALTIMORE, MD 21201
Social Worker (Clinical)
10 N GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Geriatric Medicine)
10 N GREENE ST, BALTIMORE VA MEDICAL CENTER
BALTIMORE, MD 21201
Internal Medicine (Geriatric Medicine)
10 N GREENE ST, GRECC (BT/18/GR)
BALTIMORE, MD 21201
Psychologist (Clinical)
10 N GREENE ST, BALTIMORE VAMC BT-116-MH
BALTIMORE, MD 21201
Urology
10 N GREENE ST
BALTIMORE, MD 21201
Optometrist
10 N GREENE ST, RM 2D-168
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
10 N GREENE ST
BALTIMORE, MD 21201
Specialist
10 N GREENE ST, BALTIMORE VA DEPARTMENT OF PATHOLOGY 4D-140
BALTIMORE, MD 21201
Internal Medicine
10 N GREENE ST
BALTIMORE, MD 21201
Psychiatry & Neurology (Psychiatry)
10 N GREENE ST, 116A
BALTIMORE, MD 21201
Clinical Neuropsychologist
10 N GREENE ST, BT 116 MH
BALTIMORE, MD 21201
Nurse Practitioner (Adult Health)
10 N GREENE ST
BALTIMORE, MD 21201
Dentist (General Practice)
10 N GREENE ST, VA DENTAL CLINIC
BALTIMORE, MD 21201
Physician Assistant
10 N GREENE ST
BALTIMORE, MD 21201
Psychologist (Clinical)
10 N GREENE ST
BALTIMORE, MD 21201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366403131, enumerated as an "individual" on March 31, 2006.

The provider is located at 10 N GREENE ST VAMC BALTIMORE, DIVISION OF INFECTIOUS DISEASES BALTIMORE, MD 21201 and the phone number is (410) 605-7000.

Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.

The provider might be accepting Accepts: AmeriHealth Caritas Next and Highmark Blue Cross. Please consult your insurance carrier or call the provider to verify.