JOHN C FRIEND MSN, FNP
NPI 1780890954
Nurse Practitioner - Family in San Francisco, CA

NPI Status: Active since May 15, 2007

Contact Information

995 POTRERO AVE
WARD 86
SAN FRANCISCO, CA
ZIP 94110
Phone: (415) 206-2400
Fax: (415) 502-9566

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  • Individual
  • Male
  • Nurse Practitioner
  • Family
  • PECOS Enrolled

About JOHN FRIEND

This page provides the complete NPI Profile along with additional information for John Friend, a provider established in San Francisco, California with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1780890954 assigned on May 2007. The practitioner's primary taxonomy code is 363LF0000X with license number 595780 (CA). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1780890954
Provider Name
JOHN C FRIEND MSN, FNP
Gender
Male
Entity Type
Individual
Location Address
995 POTRERO AVE WARD 86 SAN FRANCISCO, CA 94110
Location Phone
(415) 206-2400
Location Fax
(415) 502-9566
Mailing Address
62 INA CT SAN FRANCISCO, CA 94112
Mailing Phone
(415) 282-2450
Mailing Fax
(415) 502-9566
Is Sole Proprietor?
Yes
Enumeration Date
05-15-2007
Last Update Date
03-07-2023
Code Navigator

A nurse practitioner (NP) like John Friend 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 Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
595780
License State
CA

Medicare Participation & PECOS Enrollment Status

John Friend 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

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.

Durable Medical Equipment

  • DME-Medical/Surgical Supplies (DA000N)

    Lancets, per box of 100 (HCPCS:A4259)

    4 DME suppliers used 11 Medicare Claims 14 Services Paid

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 94110 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $104.51
  • Minimum New Patient Price $69
  • Maximum New Patient Price $202.35
  • Average New Patient Copayment $26.12
  • Minimum New Patient Copayment $17.25
  • Maximum New Patient Copayment $50.58

Established Patients Visit Costs *

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

  • Average Established Patient Price $119.48
  • Minimum Established Patient Price $23.44
  • Maximum Established Patient Price $166.46
  • Average Established Patient Copayment $29.87
  • Minimum Established Patient Copayment $5.86
  • Maximum Established Patient Copayment $41.61

* 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.

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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 1780890954, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
4
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 8 → 16 → 7 8 → 16 → 7 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 + 1 + 6 + 0 + 1 + 6 + 9 + 0 + 9 + 1 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1780890954.

Other Providers at the Same Location


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

Internal Medicine
995 POTRERO AVE, WARD 84
SAN FRANCISCO, CA 94110
Pharmacist (Pharmacotherapy)
995 POTRERO AVE, UCSF POSITIVE HEALTH PRACTICE, BLDG 80, WARD 86
SAN FRANCISCO, CA 94110
Nurse Practitioner (Family)
995 POTRERO AVE, FAMILY HEALTH CENTER, WARD 83
SAN FRANCISCO, CA 94110
Family Medicine
995 POTRERO AVE, WARD 83
SAN FRANCISCO, CA 94110
Internal Medicine
995 POTRERO AVE, BLDG 80 WARD 84
SAN FRANCISCO, CA 94110
Internal Medicine
995 POTRERO AVE, BLDG 80 WARD 84
SAN FRANCISCO, CA 94110
Internal Medicine
995 POTRERO AVE, BLDG 80 WARD 84
SAN FRANCISCO, CA 94110
Internal Medicine
995 POTRERO AVE, SFGH BUILDING 80, WARD 84
SAN FRANCISCO, CA 94110
Nurse Practitioner
995 POTRERO AVE, WARD 86
SAN FRANCISCO, CA 94110
Nurse Practitioner (Pediatrics)
995 POTRERO AVE, BUILDING 80, RM 239
SAN FRANCISCO, CA 94110
Social Worker (Clinical)
995 POTRERO AVE, SFGH/CASARC WARD 82
SAN FRANCISCO, CA 94110
Internal Medicine (Infectious Disease)
995 POTRERO AVE, BOX 0874
SAN FRANCISCO, CA 94110
Nurse Practitioner (Adult Health)
995 POTRERO AVE, BLDG 80, 6TH FLOOR
SAN FRANCISCO, CA 94110
Nurse Practitioner (Adult Health)
995 POTRERO AVE, SAN FRANCISCO GENERAL HOSPITAL BUILDING 80, WARD 86
SAN FRANCISCO, CA 94110
Psychologist (Clinical)
995 POTRERO AVE, BLDG 80 WARD 82 RM 239 CASARC
SAN FRANCISCO, CA 94110
Internal Medicine
995 POTRERO AVE, URGENT CARE CENTER - BUILDING 80, WARD 81
SAN FRANCISCO, CA 94110
Counselor (Addiction (Substance Use Disorder))
995 POTRERO AVE, WARD 93
SAN FRANCISCO, CA 94110
Internal Medicine
995 POTRERO AVE, BUILDING 80, 6TH FLOOD
SAN FRANCISCO, CA 94110
Pharmacist
995 POTRERO AVE, BUILDING 80- MAILSTOP 0874
SAN FRANCISCO, CA 94110
Registered Nurse (Continuing Education/Staff Development)
995 POTRERO AVE, BUILDING 80, WARD 86
SAN FRANCISCO, CA 94110

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780890954, enumerated as an "individual" on May 15, 2007.

The provider is located at 995 POTRERO AVE WARD 86 SAN FRANCISCO, CA 94110 and the phone number is (415) 206-2400.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.