DR. C. MICHAEL NEUWELT M.D.
NPI 1598786790
Internal Medicine - Rheumatology in San Leandro, CA

Q: What is C. Michael Neuwelt's NPI number?

The NPI number for C. Michael Neuwelt is 1598786790. It was assigned to this individual provider in the NPPES registry on July 22, 2006.

Q: What is C. Michael Neuwelt's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Active since July 22, 2006PECOS EnrolledAccepts Medicare Assignment

93.27/100

CMS Quality Rating

13851 E 14TH ST, STE 301, SAN LEANDRO, CA 94578(510) 357-1303(510) 357-5463 Get Directions Write a Review

NPPES record last updated: December 10, 2008. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Dr. C. Michael Neuwelt M.d. NPPES

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

DR. C. MICHAEL NEUWELT M.D. (NPI 1598786790) is an individual rheumatology provider in San Leandro, California, licensed in California (G38264) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1975).

NPPES Registry Identity

NPI1598786790

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. C. MICHAEL NEUWELTCredential: M.D.

Location Address13851 E 14TH ST, STE 301San Leandro, CA 94578-2631

Mailing Address13851 E 14th St, Ste 301San Leandro, CA 94578-2631 · (510) 357-1303 · Fax (510) 357-5463

Phone(510) 357-1303

Fax(510) 357-5463

Sole ProprietorYes

Medical School CMSGeorge Washington University School Of MedicineGraduated 1975

Enumeration DateJuly 22, 2006

Last NPPES UpdateDecember 10, 2008

✔ NPI 1598786790 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in CA · G38264

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

13851 E 14TH ST, San Leandro, CA 94578

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Other Identifiers 2

Medicare PIN00G382640CA

Medicare UPINA47417CA

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. C. Michael Neuwelt 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 ID5890867865

PECOS Enrollment IDI20080708000482

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 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.

Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0717

Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.

59,200 services18 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.

446 services271 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

298 services19 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

263 services52 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.

91 services71 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

66 services11 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

65 services29 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.

47 services45 patients

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.

39 services39 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

25 services25 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

14 services13 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.

13 services13 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

$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.

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.

93.27/100

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

Scored as part of a group practice

Quality

65.25

Promoting Interoperability

100

Improvement Activities

Cost

87.35

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. DOUGLAS D ZHANG M.D.

Family Medicine (Geriatric Medicine)

13851 E 14TH ST
SAN LEANDRO, CA 94578

Alameda County (510) 351-2100

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

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 C. Michael Neuwelt's NPI number?

The NPI number for C. Michael Neuwelt is 1598786790. It was assigned to this individual provider in the NPPES registry on July 22, 2006.

Where is C. Michael Neuwelt located?

C. Michael Neuwelt practices at 13851 E 14th St Ste 301, San Leandro, CA 94578. The listed phone number is (510) 357-1303.

What is C. Michael Neuwelt's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is C. Michael Neuwelt enrolled in Medicare?

Yes. C. Michael Neuwelt 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 C. Michael Neuwelt was last updated on December 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.