ANDREW NIMMICH M.D.
NPI 1396238945
Surgery - Vascular Surgery in Napa, CA

Q: What is Andrew Nimmich's NPI number?

The NPI number for Andrew Nimmich is 1396238945. It was assigned to this individual provider in the NPPES registry on June 8, 2018.

Q: What is Andrew Nimmich's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Andrew Nimmich was last updated on February 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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 June 08, 2018PECOS EnrolledAccepts Medicare Assignment

4 FINANCIAL PLZ, NAPA, CA 94558(843) 469-9196 Get Directions Write a Review

NPPES record last updated: February 28, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 28, 2025, Sep 27, 2024, Jul 17, 2023 and 1 more (4 updates tracked since 2023).

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About Andrew Nimmich M.d. NPPES

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

ANDREW NIMMICH M.D. (NPI 1396238945) is an individual vascular surgery provider in Napa, California, licensed in California (A198961) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, maintains a secondary practice location in Galveston, and is a graduate of Boston University School Of Medicine (2018).

NPPES Registry Identity

NPI1396238945

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameANDREW NIMMICHCredential: M.D.

Location Address4 FINANCIAL PLZNapa, CA 94558-3043

Mailing Address4 Financial PlzNapa, CA 94558-3043 · (707) 266-7051 · Fax (707) 266-7052

Phone(843) 469-9196

Sole ProprietorNo

Medical School CMSBoston University School Of MedicineGraduated 2018

Enumeration DateJune 8, 2018

Last NPPES UpdateFebruary 28, 20254 updates tracked since enumeration

NPPES CertifiedFebruary 28, 2025

✔ NPI 1396238945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

Licenses✔ Licensed in CA · A198961✔ Licensed in TX · U0818

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

4 FINANCIAL PLZ, Napa, CA 94558

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Secondary Practice Location 1

Location 1301 University BlvdGalveston, TX 77555-0534 · Phone (409) 772-0531 · Fax (409) 772-0557

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Andrew Nimmich M.d. 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 ID6103294764

PECOS Enrollment IDI20241028001924

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.

Medicare Billing Reassignment

Medicare enrollment records show Andrew Nimmich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Bay Area Surgical Specialists Inc A Medical Corporation

31 mi

Magnetic Resonance Imaging (MRI)

2637 SHADELANDS DR
Walnut Creek, CA 94598

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Bass Medical Group
347 clinicians in this Medicare group

NPI 1023501905 (925) 329-3710

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

12,382 services98 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

120 services98 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

82 services71 patients

Ultrasound evaluation of blood vessel with review by radiologist, initial vessel 37252

This procedure involves using ultrasound, a safe imaging technique, to examine your blood vessels. The images are then reviewed by a radiologist, a doctor specialized in medical imaging. The process helps identify any abnormalities in your initial vessel.

63 services53 patients

Removal of plaque in artery of leg, initial vessel 37229

This procedure involves removing plaque from the initial vessel in your leg. Plaque, a build-up of fat, cholesterol, and other substances, can block blood flow. The removal process, known as an angioplasty, restores healthy blood circulation in your leg.

56 services50 patients

Removal of plaque in arteries of leg 37225

This procedure, known as atherectomy, involves clearing out plaque buildup in the leg arteries. Plaque can restrict blood flow, causing discomfort and potential health issues. A special device is inserted into the artery to carefully remove the plaque, improving blood circulation.

40 services32 patients

Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel 37253

An ultrasound evaluation of a blood vessel is a non-invasive procedure that uses sound waves to create images of your blood vessels. A radiologist reviews these images to check for any abnormalities. If additional vessels need reviewing, the process is repeated.

39 services33 patients

Review by radiologist of both arms or legs arteries image 75716

This procedure involves a radiologist examining images of your arm or leg arteries. These images help identify any blockages or abnormalities in the blood vessels that could affect circulation. It's a vital step in diagnosing conditions related to blood flow.

28 services28 patients

Insertion of needle or tube into artery of arm or leg 36140

This procedure involves inserting a needle or a small tube into an artery in your arm or leg. It's typically done to monitor blood pressure, take blood samples, or administer medication. You may feel a small prick or pressure. It's generally safe with minimal discomfort.

24 services22 patients

Balloon dilation of artery of leg 37224

Balloon dilation of the leg artery is a procedure to improve blood flow. A tiny balloon is inserted into a narrowed artery, then inflated to widen the artery. This helps increase blood circulation to the leg. It's usually done under local anesthesia.

17 services17 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

12 services12 patients

Balloon dilation of artery of leg, each additional vessel 37232

Balloon dilation of the artery of the leg, for each additional vessel, is a procedure to open up blocked arteries. A small balloon is inserted and inflated to widen the artery, improving blood flow to the leg.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94558 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

$98.97 typical visit price

range $65.08 – $192.16

Typical copayment $24.74 (range $16.27 – $48.04)

Most-billed visit code 99203

Established Patient

$80.32 typical visit price

range $21.86 – $157.83

Typical copayment $20.08 (range $5.46 – $39.45)

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.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NICOLAS A WOZMAK MD A PROFESSIONAL CORPORATION

Anesthesiology