DR. DOUGLAS D ZHANG M.D.
NPI 1023074341
Family Medicine - Geriatric Medicine in San Leandro, CA

Q: What is Douglas Zhang's NPI number?

The NPI number for Douglas Zhang is 1023074341. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Q: What is Douglas Zhang's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Q: When was this NPI record last updated?

The NPPES record for Douglas Zhang was last updated on March 23, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 25, 2006PECOS EnrolledAccepts Medicare Assignment

20.48/100

CMS Quality Rating

13851 E 14TH ST, SAN LEANDRO, CA 94578(510) 351-2100(510) 357-3389 Get Directions Write a Review

NPPES record last updated: March 23, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Douglas D Zhang M.d. NPPES

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

DR. DOUGLAS D ZHANG M.D. (NPI 1023074341) is an individual geriatric medicine provider in San Leandro, California, licensed in California (A63200) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Texas Tech University Health Science Center School Of Medicine (1994).

NPPES Registry Identity

NPI1023074341

Entity TypeIndividualMale

Primary Taxonomy207QG0300X

Provider Legal NameDR. DOUGLAS D ZHANGCredential: M.D.

Location Address13851 E 14TH STSan Leandro, CA 94578-2628

Mailing Address13851 E 14th StSan Leandro, CA 94578-2628 · (510) 351-2100 · Fax (510) 357-3389

Phone(510) 351-2100

Fax(510) 357-3389

Sole ProprietorYes

Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 1994

Enumeration DateApril 25, 2006

Last NPPES UpdateMarch 23, 2011

✔ NPI 1023074341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207QG0300X

License✔ Licensed in CA · A63200

Definition

A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.

13851 E 14TH ST, San Leandro, CA 94578

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Other Identifiers 1

Medicare UPING86907CA

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

Dr. Douglas D Zhang 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 ID4183626625

PECOS Enrollment IDI20070212000640

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 19

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 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.

1,575 services650 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

870 services365 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

778 services192 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

679 services141 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.

543 services284 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

193 services193 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

178 services105 patients

Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 99487

Complex chronic care management is a service for patients with two or more long-term health conditions. It involves a healthcare professional directing clinical staff in providing care for the first 60 minutes each month. This helps manage your health conditions effectively.

137 services79 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

87 services42 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.

83 services83 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

75 services75 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

75 services75 patients

Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 99489

Complex chronic care management is a service for patients with multiple chronic conditions. It involves an additional 60 minutes per month of clinical staff time directed by a healthcare professional. This service assists in managing your health conditions effectively.

62 services26 patients

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

56 services26 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

53 services51 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

27 services17 patients

Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes 99421

This service involves a week-long digital assessment of your health status. It's conducted online by your healthcare provider, focusing on managing your existing health condition. The process takes 5-10 minutes of your time daily, ensuring optimal health management.

24 services12 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

17 services15 patients

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453

Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94578 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

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.

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.

20.48/100

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

Individually scored

Quality

Improvement Activities

Cost

68.27

Referred Medical Equipment & Supplies CMS DME claims 19

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

17 suppliers60 claims112 services$6.20 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

11 suppliers26 claims33 services$1.13 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

2 suppliers11 claims22 services$1.14 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

3 suppliers13 claims73 services$1.68 avg. paid by Medicare

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

DME-Hospital Beds · category DB000N

2 suppliers20 claims20 services$38.08 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), without side rails, without mattress E0295

DME-Hospital Beds · category DB000N

2 suppliers11 claims11 services$46.85 avg. paid by Medicare

Bed side rails, half length E0305

DME-Hospital Beds · category DB000N

1 supplier12 claims12 services$6.71 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier27 claims27 services$12.73 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier20 claims20 services$2.75 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

2 suppliers19 claims19 services$30.25 avg. paid by Medicare

Heel loop/holder, any type, with or without ankle strap, each E0951

DME-Wheelchairs · category DD000N

1 supplier14 claims15 services$0.84 avg. paid by Medicare

Manual wheelchair accessory, anti-tipping device, each E0971

DME-Wheelchairs · category DD021N

1 supplier14 claims15 services$1.87 avg. paid by Medicare

Wheelchair accessory, adjustable height, detachable armrest, complete assembly, each E0973

DME-Wheelchairs · category DD021N

1 supplier14 claims15 services$3.64 avg. paid by Medicare

Transport chair, adult size, patient weight capacity up to and including 300 pounds E1038

DME-Other DME · category DE000N

3 suppliers22 claims22 services$6.07 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers54 claims54 services$60.69 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

3 suppliers15 claims3,949 services$0.02 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

5 suppliers44 claims45 services$14.71 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

5 suppliers61 claims61 services$195.30 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

4 suppliers23 claims23 services$18.63 avg. paid by Medicare

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

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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.

DR. LAMONT D PAXTON M.D.

Surgery (Vascular Surgery)

13851 E 14TH ST, SUITE 202
SAN LEANDRO, CA 94578

Alameda County (510) 347-4700

DR. JAMIE STONICK OD

Optometrist

13851 E 14TH ST
SAN LEANDRO, CA 94578

Alameda County (510) 357-1211

DR. JAMES W. KURKJIAN PH.D.

Psychologist (Clinical)

13851 E 14TH ST, STE. 203
SAN LEANDRO, CA 94578

Alameda County (510) 351-4311

WILLIS L GELSTON M.D.

Family Medicine (Geriatric Medicine)

13851 E 14TH ST, SUITE 102
SAN LEANDRO, CA 94578

Alameda County (510) 351-2100

DR. HERBERT B WEINGARD M.D.

Family Medicine

13851 E 14TH ST, SUITE 200
SAN LEANDRO, CA 94578

Alameda County (510) 351-2100

GENERAL VASCULAR SURGERY MEDICAL GROUP, INC.

Surgery (Vascular Surgery)

13851 E 14TH ST, SUITE 202
SAN LEANDRO, CA 94578

Alameda County (510) 347-4700

DR. HAMOUDI AL-BANDER M.D.

Specialist

13851 E 14TH ST
SAN LEANDRO, CA 94578

Alameda County (510) 351-9373

DR. ROBERT O. GINGERY M.D.

Surgery (Vascular Surgery)

13851 E 14TH ST, SUITE 202
SAN LEANDRO, CA 94578

Alameda County (510) 347-4700

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 Douglas Zhang's NPI number?

The NPI number for Douglas Zhang is 1023074341. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Where is Douglas Zhang located?

Douglas Zhang practices at 13851 E 14th St, San Leandro, CA 94578. The listed phone number is (510) 351-2100.

What is Douglas Zhang's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Is Douglas Zhang enrolled in Medicare?

Yes. Douglas Zhang 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 Douglas Zhang was last updated on March 23, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.