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JONATHAN DAY OAKES MD
NPI 1861700668
Obstetrics & Gynecology in Baltimore, MD

Active since September 15, 2010PECOS Enrolled
7141 SECURITY BLVD, BALTIMORE, MD 21244(800) 777-7904 Get Directions Write a Review

NPPES record last updated: June 8, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Jonathan Day Oakes Md NPPES

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

JONATHAN DAY OAKES MD (NPI 1861700668) is an individual obstetrics & gynecology provider in Baltimore, Maryland, licensed in Michigan (5315046314) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861700668
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameJONATHAN DAY OAKESCredential: MD
Location Address7141 SECURITY BLVDBaltimore, MD 21244-1800
Mailing Address2101 E Jefferson StRockville, MD 20852-4908 · (301) 816-2424
Phone(800) 777-7904
Sole ProprietorNo
Enumeration DateSeptember 15, 2010
Last NPPES UpdateJune 8, 2021
NPPES CertifiedJune 8, 2021
✔ NPI 1861700668 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MI · 5315046314
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.
7141 SECURITY BLVD, Baltimore, MD 21244
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jonathan Day Oakes 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 Jonathan Oakes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
5.9 mi
Ambulatory Surgical
1701 TWIN SPRINGS RD
Halethorpe, MD 21227
NPI 1942546486 (301) 816-2424

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21244 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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.

KAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES, INC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
7141 SECURITY BLVD
BALTIMORE, MD 21244
Baltimore County (443) 663-6000
DR. NKIRUKA UZOAMAKA OBIOHA M.D
Family Medicine
7141 SECURITY BLVD, KAISER PERMANENTE WOODLAWN MEDICAL CENTER
BALTIMORE, MD 21244
Baltimore County (443) 663-6000
LYTIA FISHER
Obstetrics & Gynecology
7141 SECURITY BLVD
WINDSOR MILL, MD 21244
Baltimore County (443) 663-6000
AMANDA BAUER D.O.
Emergency Medicine
7141 SECURITY BLVD, KAISER PERMANENTE WOODLAWN MEDICAL CENTER
BALTIMORE, MD 21244
Baltimore County (443) 663-6000
KISHA MARY SELBY
Registered Nurse (Oncology)
7141 SECURITY BLVD
BALTIMORE, MD 21244
Baltimore County (443) 663-6420
NKECHINYEREM OLUTOBI ESEONU-EWOH MD
Family Medicine
7141 SECURITY BLVD
BALTIMORE, MD 21244
Baltimore County (443) 663-6000
DR. LAURA EMMANUEL-ALLEN MD
Internal Medicine
7141 SECURITY BLVD
WINDSOR MILL, MD 21244
Baltimore County (443) 663-6000
DR. SINDHU THOPPIL JAMES MD
Internal Medicine
7141 SECURITY BLVD
BALTIMORE, MD 21244
Baltimore County (443) 663-6000

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 Jonathan Oakes's NPI number?

The NPI number for Jonathan Oakes is 1861700668. It was assigned to this individual provider in the NPPES registry on September 15, 2010.

Where is Jonathan Oakes located?

Jonathan Oakes practices at 7141 Security Blvd, Baltimore, MD 21244. The listed phone number is (800) 777-7904.

What is Jonathan Oakes's specialty?

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

Is Jonathan Oakes enrolled in Medicare?

Yes. Jonathan Oakes is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jonathan Oakes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Oakes reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Halethorpe, MD). 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 Jonathan Oakes'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 Jonathan Oakes was last updated on June 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.