MICHAEL HUYNH M.D.
NPI 1588096317
Hospitalist in Oakland, CA

Q: What is Michael Huynh's NPI number?

The NPI number for Michael Huynh is 1588096317. It was assigned to this individual provider in the NPPES registry on August 2, 2013.

Q: What is Michael Huynh's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Huynh was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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 August 02, 2013PECOS EnrolledAccepts Medicare Assignment

350 HAWTHORNE AVE, ROOM 2346, OAKLAND, CA 94609(510) 869-6883(510) 869-6888 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, May 16, 2017, Jul 1, 2016 (3 updates tracked since 2016).

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About Michael Huynh M.d. NPPES

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

MICHAEL HUYNH M.D. (NPI 1588096317) is an individual hospitalist provider in Oakland, California, licensed in California (A140664) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1588096317

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameMICHAEL HUYNHCredential: M.D.

Location Address350 HAWTHORNE AVE, ROOM 2346Oakland, CA 94609-3108

Mailing Address3687 Mt Diablo Blvd Ste 200Lafayette, CA 94549-3746 · (916) 854-6975

Phone(510) 869-6883

Fax(510) 869-6888

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateAugust 2, 2013

Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration

✔ NPI 1588096317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CA · A140664

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License A140664 (CA)

350 HAWTHORNE AVE, Oakland, CA 94609

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Other Identifiers 1

OtherA140664CA · State License

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

Michael Huynh 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 ID9739471764

PECOS Enrollment IDI20160712000513

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 Reassignments

Medicare enrollment records show Michael Huynh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sutter Bay Medical Foundation

6.0 mi

Multi-Specialty

12 CAMINO ENCINAS
Orinda, CA 94563

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1366898538 (510) 204-8180

Solomon Medical Inc

40 mi

Internal Medicine

1990 FRUITDALE AVE
San Jose, CA 95128

Reassigned Medicare billing, California enrollment
32 clinicians in this Medicare group

NPI 1043928724 (408) 998-8447

Solomon Physicians Group PC

87 mi

Internal Medicine

1501 SKYLINE DR
Monterey, CA 93940

Reassigned Medicare billing, California enrollment
22 clinicians in this Medicare group

NPI 1114809423 (831) 200-9651

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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

565 services222 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

214 services204 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.

130 services81 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

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.

26 services26 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94609 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

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

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

1 supplier20 claims20 services$43.37 avg. paid by Medicare

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

1 supplier12 claims12 services$21.01 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

2 suppliers22 claims22 services$12.67 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

JEEVEN BRAH M.D.

Hospitalist

350 HAWTHORNE AVE, ROOM 2346
OAKLAND, CA 94609

Alameda County (510) 869-6883

BARBARA CHAN PT

Physical Therapist