NATHAN KLAMMER MD
NPI 1104405869
Emergency Medicine in Tulsa, OK

Q: What is Nathan Klammer's NPI number?

The NPI number for Nathan Klammer is 1104405869. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Q: What is Nathan Klammer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Nathan Klammer was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since April 07, 2021PECOS EnrolledAccepts Medicare Assignment

1145 S UTICA AVE STE 365, TULSA, OK 74104(918) 728-3354 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 9, 2025, Apr 7, 2021 (2 updates tracked since 2021).

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About Nathan Klammer Md NPPES

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

NATHAN KLAMMER MD (NPI 1104405869) is an individual emergency medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (42931) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Hillcrest Hospital Pryor, and is a graduate of University Of Arkansas College Of Medicine (2021).

NPPES Registry Identity

NPI1104405869

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameNATHAN KLAMMERCredential: MD

Location Address1145 S UTICA AVE STE 365Tulsa, OK 74104-4004

Mailing Address1145 S Utica Ave Ste 365Tulsa, OK 74104-4004

Phone(918) 728-3354

Sole ProprietorYes

Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 2021

Enumeration DateApril 7, 2021

Last NPPES UpdateApril 9, 20252 updates tracked since enumeration

NPPES CertifiedApril 9, 2025

✔ NPI 1104405869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in OK · 42931

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1145 S UTICA AVE STE 365, Tulsa, OK 74104

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Arkansas Blue Cross and Blue Shield, Health Advantage, Octave.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nathan Klammer 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 ID2668820614

PECOS Enrollment IDI20240705000904, I20240705001021

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.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

83 services83 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

77 services74 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

49 services48 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

16 services15 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hillcrest Hospital Pryor

Acute Care Hospitals · Pryor, OK

OwnershipGovernment - Hospital District or Authority

CMS Certification Number370015

Location111 North Bailey StreetPryor, OK 74361 · Mayes County

Emergency services

Hillcrest Hospital Claremore

Acute Care Hospitals · Claremore, OK

2/5 CMS rating

OwnershipProprietary

CMS Certification Number370039

Location1202 N Muskogee PlaceClaremore, OK 74017 · Rogers County

Emergency services Birthing friendly

Hillcrest Hospital South

Acute Care Hospitals · Tulsa, OK

4/5 CMS rating

OwnershipProprietary

CMS Certification Number370202

Location8801 South 101st East AvenueTulsa, OK 74133 · Tulsa County

Emergency services Birthing friendly

Bailey Medical Center, LLC

Acute Care Hospitals · Owasso, OK

OwnershipProprietary

CMS Certification Number370228

Location10502 North 110th East AvenueOwasso, OK 74055 · Tulsa County

Emergency services Birthing friendly

Eastern Oklahoma Medical Center

Critical Access Hospitals · Poteau, OK

OwnershipGovernment - Local

CMS Certification Number371337

Location105 Wall StreetPoteau, OK 74953 · Le Flore County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74104 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

$82.46 typical visit price

range $53.00 – $162.61

Typical copayment $20.61 (range $13.25 – $40.65)

Most-billed visit code 99203

Established Patient

$94.27 typical visit price

range $16.68 – $132.40

Typical copayment $23.56 (range $4.17 – $33.10)

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.

Other Providers at the Same Location NPPES 10

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

YEGANEH AZIMI PAC

Emergency Medicine (Emergency Medical Services)