ALFRED B JOHNSON MD
NPI 1174508865
Surgery in Merced, CA

Q: What is Alfred Johnson's NPI number?

The NPI number for Alfred Johnson is 1174508865. It was assigned to this individual provider in the NPPES registry on December 14, 2005.

Q: What is Alfred Johnson's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Alfred Johnson was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 14, 2005PECOS EnrolledAccepts Medicare Assignment

96.5/100

CMS Quality Rating

240 E 13TH ST STE C, MERCED, CA 95341(209) 723-2799(209) 723-2984 Get Directions Write a Review

NPPES record last updated: July 21, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 23, 2021, Jun 27, 2017, Dec 21, 2015 (3 updates tracked since 2015).

On this page

About Alfred B Johnson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALFRED B JOHNSON MD (NPI 1174508865) is an individual surgery provider in Merced, California, licensed in California (G88950) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1987).

NPPES Registry Identity

NPI1174508865

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameALFRED B JOHNSONCredential: MD

Location Address240 E 13TH ST STE CMerced, CA 95341-6234

Mailing Address240 E 13th St Ste CMerced, CA 95341-6234 · (209) 723-2799 · Fax (209) 723-2984

Phone(209) 723-2799

Fax(209) 723-2984

Sole ProprietorYes

Medical School CMSGeorgetown University School Of MedicineGraduated 1987

Enumeration DateDecember 14, 2005

Last NPPES UpdateJuly 21, 20253 updates tracked since enumeration

NPPES CertifiedJuly 21, 2025

✔ NPI 1174508865 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Licenses✔ Licensed in CA · G88950✔ Licensed in NY · 184876✔ Licensed in GA · 42860✔ Licensed in MS · 19035

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

240 E 13TH ST STE C, Merced, CA 95341

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alfred B Johnson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072575125

PECOS Enrollment IDI20130207000182

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

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.

29 services15 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95341 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.32 typical visit price

range $58.87 – $176.60

Typical copayment $22.58 (range $14.71 – $44.15)

Most-billed visit code 99203

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

80.34

Promoting Interoperability

100

Improvement Activities

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alfred Johnson's NPI number?

The NPI number for Alfred Johnson is 1174508865. It was assigned to this individual provider in the NPPES registry on December 14, 2005.

Where is Alfred Johnson located?

Alfred Johnson practices at 240 E 13th St Ste C, Merced, CA 95341. The listed phone number is (209) 723-2799.

What is Alfred Johnson's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Alfred Johnson enrolled in Medicare?

Yes. Alfred Johnson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Alfred Johnson was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.