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DR. NNENNA IHUOMA OKIGBO MD
NPI 1538167028
Internal Medicine in Silver Spring, MD

Active since July 08, 2005PECOS EnrolledAccepts Medicare Assignment
11161 NEW HAMPSHIRE AVE STE 305, SILVER SPRING, MD 20904(301) 592-0062(301) 592-0300 Get Directions Write a Review

NPPES record last updated: October 3, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Nnenna Ihuoma Okigbo Md NPPES

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

DR. NNENNA IHUOMA OKIGBO MD (NPI 1538167028) is an individual internal medicine provider in Silver Spring, Maryland, licensed in Maryland (D0060824) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1538167028
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. NNENNA IHUOMA OKIGBOCredential: MD
Location Address11161 NEW HAMPSHIRE AVE STE 305Silver Spring, MD 20904-2606
Mailing Address11161 New Hampshire Ave Ste 305Silver Spring, MD 20904-2606 · (301) 592-0062 · Fax (301) 592-0300
Phone(301) 592-0062
Fax(301) 592-0300
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateJuly 8, 2005
Last NPPES UpdateOctober 3, 2023
NPPES CertifiedOctober 3, 2023
✔ NPI 1538167028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D0060824
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
11161 NEW HAMPSHIRE AVE STE 305, Silver Spring, MD 20904
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Other Identifiers 1

Medicaid405078900MD

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. Nnenna Ihuoma Okigbo 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 ID7911972542
PECOS Enrollment IDI20050404000995
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

2

Medicare enrollment records show Nnenna Okigbo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Primecare Med Center LLC
Same address
Internal Medicine
11161 NEW HAMPSHIRE AVE STE 305
Silver Spring, MD 20904
  • Reassigned Medicare billing, District of Columbia enrollment
NPI 1932225661 (301) 592-0062
Emergency Medicine Associates, PA
6.5 mi
Emergency Medicine
7150 CONTEE RD
Laurel, MD 20707
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
  • 1,150 clinicians in this Medicare group
NPI 1831940881 (844) 474-4019

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 9

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
190 services75 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
113 services80 patients
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.
106 services64 patients
Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
92 services92 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
91 services91 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
86 services86 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20904 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
97%77 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
11 suppliers25 claims58 services$5.44 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers14 claims18 services$1.00 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

PRIMECARE MED CENTER LLC
Internal Medicine
11161 NEW HAMPSHIRE AVE STE 305
SILVER SPRING, MD 20904
Montgomery County (301) 592-0062

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 Nnenna Okigbo's NPI number?

The NPI number for Nnenna Okigbo is 1538167028. It was assigned to this individual provider in the NPPES registry on July 8, 2005.

Where is Nnenna Okigbo located?

Nnenna Okigbo practices at 11161 New Hampshire Ave Ste 305, Silver Spring, MD 20904. The listed phone number is (301) 592-0062.

What is Nnenna Okigbo's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nnenna Okigbo enrolled in Medicare?

Yes. Nnenna Okigbo 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 Nnenna Okigbo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nnenna Okigbo reassigns Medicare benefits to 2 organizations: Primecare Med Center LLC (Silver Spring, MD) and Emergency Medicine Associates, PA (Laurel, MD). 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 Nnenna Okigbo'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 Nnenna Okigbo was last updated on October 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.