MARK LORING HARMAN MD
NPI 1811967276
Obstetrics & Gynecology - Maternal & Fetal Medicine in Tulsa, OK

Active since January 26, 2006PECOS Enrolled
4444 E. 41ST ST, 3RD FLOOR, STE B, TULSA, OK 74135(918) 582-0721(918) 582-4751 Get Directions Write a Review

NPPES record last updated: October 27, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark Loring Harman Md NPPES

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

MARK LORING HARMAN MD (NPI 1811967276) is an individual maternal & fetal medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (19591) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811967276
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameMARK LORING HARMANCredential: MD
Location Address4444 E. 41ST ST, 3RD FLOOR, STE BTulsa, OK 74135-2527
Mailing AddressPo Box 268838Oklahoma City, OK 73126-8838 · (918) 660-3632 · Fax (918) 660-3631
Fax(918) 582-4751
Sole ProprietorNo
Enumeration DateJanuary 26, 2006
Last NPPES UpdateOctober 27, 2007
✔ NPI 1811967276 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 · 19591
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.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 19591 (OK)
4444 E. 41ST ST, Tulsa, OK 74135

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Loring Harman 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 Mark Harman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
4502 E 41ST ST
Tulsa, OK 74135
  • Reassigned Medicare billing, Oklahoma enrollment
  • 124 clinicians in this Medicare group

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 74135 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 13

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

Nurse Practitioner (Pediatrics)
4444 E. 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135
Pediatrics
4444 E. 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135
Psychiatry & Neurology (Psychiatry)
4444 E. 41ST ST, 3RD FLOOR, STE C
TULSA, OK 74135
Psychiatry & Neurology (Psychiatry)
4444 E. 41ST ST, 3RD FLOOR, STE C
TULSA, OK 74135
Internal Medicine (Hospice and Palliative Medicine)
4444 E. 41ST ST, 3RD FLOOR, STE A
TULSA, OK 74135
Nurse Practitioner
4444 E. 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135
Internal Medicine
4444 E. 41ST ST, 3RD FLOOR, STE A
TULSA, OK 74135
Pediatrics
4444 E. 41ST ST, 2ND FLOOR, STE A
TULSA, OK 74135

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 Mark Harman's NPI number?

The NPI number for Mark Harman is 1811967276. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Where is Mark Harman located?

Mark Harman practices at 4444 E. 41st St 3rd Floor, Ste B, Tulsa, OK 74135. The listed phone number is (918) 582-0721.

What is Mark Harman's specialty?

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

Is Mark Harman enrolled in Medicare?

Yes. Mark Harman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Harman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Harman reassigns Medicare benefits to Board Of Regents Of The University Of Oklahoma Ou Physicians Tulsa (Tulsa, OK). 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 Mark Harman'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 Mark Harman was last updated on October 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.