1. Home
  2. Directory
  3. Missouri
  4. Saint Louis
  5. Obstetrics Gynecology
  6. NPI Profile

DR. JOSEPH GERARD HERRMANN M.D.
NPI 1437171998
Obstetrics & Gynecology in Saint Louis, MO

Active since July 24, 2006PECOS EnrolledAccepts Medicare Assignment
621 S NEW BALLAS RD, SUITE 101A, SAINT LOUIS, MO 63141(314) 569-2751(314) 569-2986 Get Directions Write a Review

NPPES record last updated: July 17, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 17, 2019, Jan 10, 2019 (2 updates tracked since 2019).

About Dr. Joseph Gerard Herrmann M.d. NPPES

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

DR. JOSEPH GERARD HERRMANN M.D. (NPI 1437171998) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (103604) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Saint Louis University School Of Medicine (1993).

NPPES Registry Identity

NPI1437171998
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. JOSEPH GERARD HERRMANNCredential: M.D.
Location Address621 S NEW BALLAS RD, SUITE 101ASaint Louis, MO 63141-8232
Mailing Address12639 Old Tesson RdSaint Louis, MO 63128-2786 · (314) 849-0311 · Fax (314) 849-4423
Phone(314) 569-2751
Fax(314) 569-2986
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 1993
Enumeration DateJuly 24, 2006
Last NPPES UpdateJuly 17, 20192 updates tracked since enumeration
✔ NPI 1437171998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MO · 103604
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.
621 S NEW BALLAS RD, Saint Louis, MO 63141
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Medica, Oscar Insurance Company.Insurance ›

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. Joseph Gerard Herrmann 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 ID7416918834
PECOS Enrollment IDI20041020000129
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

3

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

Mercy Womens Services LLC
Same address
Obstetrics & Gynecology
621 S NEW BALLAS RD
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 64 clinicians in this Medicare group
NPI 1629327788 (314) 251-6462
Mercy Clinic East Communities
Same address
Family Medicine
615 S NEW BALLAS RD, ADMINISTRATION BUILDING, 5TH FLOOR
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 744 clinicians in this Medicare group
NPI 1043574940 (314) 251-6000
Ssm Health Care St. Louis
5.8 mi
Cardiovascular Disease
12303 DE PAUL DR
Bridgeton, MO 63044
  • Reassigned Medicare billing, Missouri enrollment
  • 741 clinicians in this Medicare group
NPI 1376598599 (314) 344-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Ssm Health Depaul Hospital St Louis

Acute Care Hospitals · Bridgeton, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260104
Location12303 Depaul DriveBridgeton, MO 63044 · St. Louis 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
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
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.

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.

STEPHANIE LYNN SHOREY WHNP-BC
Nurse Practitioner (Women's Health)
621 S NEW BALLAS RD, SUITE 2007B
SAINT LOUIS, MO 63141
St. Louis County (314) 991-5000
DR. KATHRYN BOTNEY M.D.
Obstetrics & Gynecology
621 S NEW BALLAS RD, SUITE 4005
SAINT LOUIS, MO 63141
St. Louis County (314) 567-5016
HUILIN LI M.D.
Internal Medicine
621 S NEW BALLAS RD, SUITE 3016B
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6339
LUIS A GIUFFRA LLC
Psychiatry & Neurology (Psychiatry)
621 S NEW BALLAS RD, SUITE 398A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-7720
JOSEPH G HERRMANN MD LLC
Specialist
621 S NEW BALLAS RD, SUITE 419A
SAINT LOUIS, MO 63141
St. Louis County (314) 432-0056
KAREN KILO RN, CDE, RD
Nutritionist (Nutrition, Education)
621 S NEW BALLAS RD, SUITE 460A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-4330
KATINA M CANDEE PA-C
Physician Assistant
621 S NEW BALLAS RD, SUITE 483A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-2095
DR. PETER KONG-WOO YOON M.D.
Specialist
621 S NEW BALLAS RD, STE 297A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6364

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 Joseph Herrmann's NPI number?

The NPI number for Joseph Herrmann is 1437171998. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Joseph Herrmann located?

Joseph Herrmann practices at 621 S New Ballas Rd Suite 101A, Saint Louis, MO 63141. The listed phone number is (314) 569-2751.

What is Joseph Herrmann's specialty?

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

Is Joseph Herrmann enrolled in Medicare?

Yes. Joseph Herrmann 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 organizations bill Medicare for Joseph Herrmann's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Herrmann reassigns Medicare benefits to 3 organizations: Mercy Womens Services LLC (Saint Louis, MO), Mercy Clinic East Communities (Saint Louis, MO) and Ssm Health Care St. Louis (Bridgeton, MO). Each 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 Joseph Herrmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joseph Herrmann accept?

Health plans from Anthem Blue Cross and Blue Shield, Medica and Oscar Insurance Company list Joseph Herrmann as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Joseph Herrmann affiliated with any hospitals?

According to CMS data, Joseph Herrmann is affiliated with Mercy Hospital St Louis and Ssm Health Depaul Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Joseph Herrmann was last updated on July 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.