Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MICHAEL DRYDEN MD
NPI 1861953267
Psychiatry & Neurology - Neurology in Saint Louis, MO

Active since March 27, 2019PECOS EnrolledAccepts Medicare Assignment
621 S NEW BALLAS RD STE 5003B, SAINT LOUIS, MO 63141(314) 251-8892 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Michael Dryden Md NPPES

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

DR. MICHAEL DRYDEN MD (NPI 1861953267) is an individual neurology provider in Saint Louis, Missouri, licensed in Missouri (2026039490) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1861953267
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. MICHAEL DRYDENCredential: MD
Location Address621 S NEW BALLAS RD STE 5003BSaint Louis, MO 63141-8270
Mailing Address621 S New Ballas Rd Ste 5003bSaint Louis, MO 63141-8270 · (314) 251-8892
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 27, 2019
Last NPPES UpdateSeptember 28, 2026
NPPES CertifiedSeptember 28, 2026
✔ NPI 1861953267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses✔ Licensed in MO · 2026039490✔ Licensed in WI · 75932-20
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
621 S NEW BALLAS RD STE 5003B, Saint Louis, MO 63141

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

Dr. Michael Dryden Md 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 ID5991130205
PECOS Enrollment IDI20240923002803
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 Dryden reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,294 clinicians in this Medicare group

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.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
24 services24 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Froedtert Memorial Lutheran Hospital

Acute Care Hospitals · Milwaukee, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520177
Location9200 W Wisconsin AveMilwaukee, WI 53226 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

Other Providers at the Same Location NPPES 8

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

Nurse Practitioner (Family)
621 S NEW BALLAS RD STE 5003B
SAINT LOUIS, MO 63141
Pharmacist
621 S NEW BALLAS RD STE 5003B
SAINT LOUIS, MO 63141
Psychiatry & Neurology (Neurology)
621 S NEW BALLAS RD STE 5003B
SAINT LOUIS, MO 63141
Social Worker (Clinical)
621 S NEW BALLAS RD STE 5003B
SAINT LOUIS, MO 63141
Nurse Practitioner (Family)
621 S NEW BALLAS RD STE 5003B
SAINT LOUIS, MO 63141
Psychiatry & Neurology (Neurology)
621 S NEW BALLAS RD STE 5003B
SAINT LOUIS, MO 63141
Psychiatry & Neurology (Neurology)
621 S NEW BALLAS RD STE 5003B
SAINT LOUIS, MO 63141
Nurse Practitioner (Adult Health)
621 S NEW BALLAS RD STE 5003B
SAINT LOUIS, MO 63141

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 Dryden's NPI number?

The NPI number for Michael Dryden is 1861953267. It was assigned to this individual provider in the NPPES registry on March 27, 2019.

Where is Michael Dryden located?

Michael Dryden practices at 621 S New Ballas Rd Ste 5003B, Saint Louis, MO 63141. The listed phone number is (314) 251-8892.

What is Michael Dryden's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Michael Dryden enrolled in Medicare?

Yes. Michael Dryden 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.

Which organization bills Medicare for Michael Dryden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Dryden reassigns Medicare benefits to Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI). 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 Dryden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michael Dryden affiliated with any hospitals?

According to CMS data, Michael Dryden is affiliated with Froedtert Memorial Lutheran Hospital.

When was this NPI record last updated?

The NPPES record for Michael Dryden was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.