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MICHAEL JOSEPH MCGLYNN JR. MD
NPI 1730255332
Obstetrics & Gynecology in Castro Valley, CA

Active since November 27, 2006PECOS Enrolled
20032 LAKE CHABOT RD, CASTRO VALLEY, CA 94546(510) 538-8681 Get Directions Write a Review

NPPES record last updated: February 26, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 26, 2025, Feb 4, 2022 (2 updates tracked since 2022).

About Michael Joseph Mcglynn Jr. Md NPPES

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

MICHAEL JOSEPH MCGLYNN JR. MD (NPI 1730255332) is an individual obstetrics & gynecology provider in Castro Valley, California, licensed in California (A040361) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Castro Valley.

NPPES Registry Identity

NPI1730255332
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameMICHAEL JOSEPH MCGLYNN JR.Credential: MD
Location Address20032 LAKE CHABOT RDCastro Valley, CA 94546-5304
Mailing Address20032 Lake Chabot RdCastro Valley, CA 94546-5304 · (510) 538-8681
Phone(510) 538-8681
Sole ProprietorYes
Enumeration DateNovember 27, 2006
Last NPPES UpdateFebruary 26, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2025
✔ NPI 1730255332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A040361
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
20032 LAKE CHABOT RD, Castro Valley, CA 94546
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Secondary Practice Location 1

Location 120642 John DrCastro Valley, CA 94546-5103 · Phone (510) 785-5000

Other Identifiers 1

MedicaidOOA403610CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael Joseph Mcglynn Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Michael Mcglynn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Healthcare Alliance
11 mi
Internal Medicine
7999 GATEWAY BLVD STE 200
Newark, CA 94560
  • Reassigned Medicare billing, California enrollment
  • 435 clinicians in this Medicare group
NPI 1760531198 (888) 924-1036

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

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.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 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
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

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 Michael Mcglynn's NPI number?

The NPI number for Michael Mcglynn is 1730255332. It was assigned to this individual provider in the NPPES registry on November 27, 2006.

Where is Michael Mcglynn located?

Michael Mcglynn practices at 20032 Lake Chabot Rd, Castro Valley, CA 94546. The listed phone number is (510) 538-8681.

What is Michael Mcglynn's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Michael Mcglynn enrolled in Medicare?

Yes. Michael Mcglynn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Mcglynn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Mcglynn reassigns Medicare benefits to University Healthcare Alliance (Newark, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Mcglynn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Mcglynn was last updated on February 26, 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.