ALYSSA MARIE STIFF MD
NPI 1154958726
Obstetrics & Gynecology - Maternal & Fetal Medicine in Oklahoma City, OK

Active since March 24, 2020PECOS Enrolled
800 STANTON L YOUNG BLVD STE 2000, OKLAHOMA CITY, OK 73104(405) 271-8469 Get Directions Write a Review

NPPES record last updated: October 28, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 23, 2024, May 12, 2024, Mar 24, 2020 (3 updates tracked since 2020).

About Alyssa Marie Stiff Md NPPES

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

ALYSSA MARIE STIFF MD (NPI 1154958726) is an individual maternal & fetal medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (43719) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in Las Vegas.

NPPES Registry Identity

NPI1154958726
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameALYSSA MARIE STIFFCredential: MD
Location Address800 STANTON L YOUNG BLVD STE 2000Oklahoma City, OK 73104-5018
Mailing Address800 Stanton L Young Blvd Ste 2000Oklahoma City, OK 73104-5018 · (405) 271-8469 · Fax (702) 671-2333
Sole ProprietorNo
Enumeration DateMarch 24, 2020
Last NPPES UpdateOctober 28, 20253 updates tracked since enumeration
NPPES CertifiedOctober 28, 2025
NPI 1154958726 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License Licensed in OK · 43719
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
800 STANTON L YOUNG BLVD STE 2000, Oklahoma City, OK 73104

Secondary Practice Location 1

Location 11701 W Charleston Blvd Ste 290Las Vegas, NV 89102-2302 · Phone (702) 671-2385 · Fax (702) 671-2333

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Alyssa Marie Stiff 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73104 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
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.68 – $132.40
Typical copayment $16.62 (range $4.17 – $33.10)
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

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

Obstetrics & Gynecology (Reproductive Endocrinology)
800 STANTON L YOUNG BLVD STE 2000
OKLAHOMA CITY, OK 73104

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 Alyssa Stiff's NPI number?

The NPI number for Alyssa Stiff is 1154958726. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Alyssa Stiff located?

Alyssa Stiff practices at 800 Stanton L Young Blvd Ste 2000, Oklahoma City, OK 73104. The listed phone number is (405) 271-8469.

What is Alyssa Stiff's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Alyssa Stiff enrolled in Medicare?

Yes. Alyssa Stiff is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alyssa Stiff was last updated on October 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.