ROBERT H. DUNHAM M.D.
NPI 1700851870
Surgery in Napa, CA

Q: What is Robert Dunham's NPI number?

The NPI number for Robert Dunham is 1700851870. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Q: What is Robert Dunham'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 Robert Dunham was last updated on October 21, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since February 21, 2006PECOS EnrolledAccepts Medicare Assignment

3434 VILLA LN, SUITE 260, NAPA, CA 94558(707) 224-7757(707) 224-5870 Get Directions Write a Review

NPPES record last updated: October 21, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 21, 2021, Mar 29, 2021 (2 updates tracked since 2021).

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About Robert H. Dunham M.d. NPPES

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

ROBERT H. DUNHAM M.D. (NPI 1700851870) is an individual surgery provider in Napa, California, licensed in California (G74484) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1990).

NPPES Registry Identity

NPI1700851870

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameROBERT H. DUNHAMCredential: M.D.

Location Address3434 VILLA LN, SUITE 260Napa, CA 94558-6405

Mailing Address3434 Villa Ln, Suite 260Napa, CA 94558-6405 · (707) 224-7757 · Fax (707) 224-5870

Phone(707) 224-7757

Fax(707) 224-5870

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 1990

Enumeration DateFebruary 21, 2006

Last NPPES UpdateOctober 21, 20212 updates tracked since enumeration

NPPES CertifiedOctober 21, 2021

✔ NPI 1700851870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in CA · G74484

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.

3434 VILLA LN, Napa, CA 94558

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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

Robert H. Dunham 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 ID2062310964

PECOS Enrollment IDI20031230000387

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 11

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

83 services83 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

51 services43 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

24 services23 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

20 services19 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

19 services13 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

18 services18 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.

16 services15 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

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.

16 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

14 services14 patients

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.

11 services11 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

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.

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Other Providers at the Same Location NPPES 18

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

KIM BELLOWS PA

Physician Assistant (Medical)

3434 VILLA LN, SUITE 150
NAPA, CA 94558

Napa County (707) 252-9660

DR. KEN SHANAHAN D.D.S., M.S.

Dentist (Orthodontics and Dentofacial Orthopedics)

3434 VILLA LN, SUITE 110
NAPA, CA 94558

Napa County (707) 255-0555

DR. JACOB E. GOLDENBERG D.D.S.

Dentist (Periodontics)

3434 VILLA LN, SUITE 160
NAPA, CA 94558

Napa County (707) 252-4144

DO-EUN LEE MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

3434 VILLA LN, STE 280
NAPA, CA 94558

Napa County (707) 259-6767

THOMAS C JOHNSON DMD, INC APC

Dentist (General Practice)

3434 VILLA LN, SUITE 100
NAPA, CA 94558

Napa County (707) 255-3007

SPECTRUMCARE REHABILITATION MEDICAL CENTER

Pain Medicine (Pain Medicine)

3434 VILLA LN, SUITE 150
NAPA, CA 94558

Napa County (707) 252-9666

DR. JOSEPH KIRKWOOD REID JR. M.D.

Family Medicine

3434 VILLA LN, SUITE #380
NAPA, CA 94558

Napa County (707) 224-3102

DR. CECIL DEE LAMBERTON D.D.S.

Dentist (General Practice)

3434 VILLA LN, SUITE #120
NAPA, CA 94558

Napa County (707) 257-7771

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 Robert Dunham's NPI number?

The NPI number for Robert Dunham is 1700851870. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Where is Robert Dunham located?

Robert Dunham practices at 3434 Villa Ln Suite 260, Napa, CA 94558. The listed phone number is (707) 224-7757.

What is Robert Dunham's specialty?

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

Is Robert Dunham enrolled in Medicare?

Yes. Robert Dunham 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 Robert Dunham was last updated on October 21, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.