CAROLYN M. MARTIN M.D.
NPI 1669465134
Obstetrics & Gynecology in Saint Louis, MO

Q: What is Carolyn Martin's NPI number?

The NPI number for Carolyn Martin is 1669465134. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Q: What is Carolyn Martin's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Carolyn Martin was last updated on October 9, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since August 30, 2005PECOS EnrolledAccepts Medicare Assignment

621 S NEW BALLAS RD STE 2007B, SAINT LOUIS, MO 63141(314) 991-5000(314) 991-5035 Get Directions Write a Review

NPPES record last updated: October 9, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Carolyn M. Martin M.d. NPPES

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

CAROLYN M. MARTIN M.D. (NPI 1669465134) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (R7824) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Washington University School Of Medicine (1976).

NPPES Registry Identity

NPI1669465134

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameCAROLYN M. MARTINCredential: M.D.

Location Address621 S NEW BALLAS RD STE 2007BSaint Louis, MO 63141-8265

Mailing Address621 S New Ballas Rd, Suite 2007bSaint Louis, MO 63141-8232 · (314) 991-5000 · Fax (314) 991-5035

Phone(314) 991-5000

Fax(314) 991-5035

Sole ProprietorNo

Medical School CMSWashington University School Of MedicineGraduated 1976

Enumeration DateAugust 30, 2005

Last NPPES UpdateOctober 9, 2018

✔ NPI 1669465134 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 · R7824

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 STE 2007B, Saint Louis, MO 63141

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Other Identifiers 1

Medicaid200990844MO

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

Carolyn M. Martin 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 ID8325080880

PECOS Enrollment IDI20050525000030

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

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

Mercy East Support Services, LLC

1.5 mi

Internal Medicine

615 S NEW BALLAS RD, ADMIN BUILDING 5TH FLOOR
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
28 clinicians in this Medicare group

NPI 1225382013 (314) 251-6000

Mercy Clinic Maternal Fetal Medicine LLC

1.5 mi

Maternal & Fetal Medicine

621 S NEW BALLAS RD STE 2007B
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
20 clinicians in this Medicare group

NPI 1952810129 (314) 991-1000

Mercy Clinic Springfield Communities

66 mi

Rural Health

114 DOWNEY PL
Cuba, MO 65453

Reassigned Medicare billing, Missouri enrollment
Also billed through NPI 1245277631 (Missouri)
1,487 clinicians in this Medicare group

NPI 1063541704 (573) 885-3358

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 2

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.

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

32 services30 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

31 services30 patients

Hospital Affiliations CMS Care Compare

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

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 18

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

MRS. MELISSA A PORTELL WHNP

Nurse Practitioner (Women's Health)