Natalie M. Ertz-Archambault, MD
Hematology & Oncology Physician · Phoenix, AZ
Natalie M. Ertz-Archambault, MD is a hematology & oncology physician with a practice address in Phoenix, Arizona, and NPI 1992060040, issued on Jul 5, 2012. Check the license (Arizona 49550, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Natalie M. Ertz-Archambault
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 49550 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9250 N 3RD St Ste 3010, Phoenix, AZ 85020
- Phone
- (623) 238-7750
- Enumerated
- Jul 5, 2012
- Record last updated
- Feb 25, 2026
- Fax
- (480) 882-5018
- Medicare enrollment
- Enrolled (PECOS I20160715000761); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 285 in Arizona → Look up another NPI →
Also registered at 9250 N 3RD St Ste 3010
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mukundkumar Patel, MDHematology & Oncology Physician1164411724
- Janhvi Sookram, D.O.Obstetrics & Gynecology Physician1891035325
- Anthony Wood, M.D.Hematology & Oncology Physician1558710475
Verify Natalie M. Ertz-Archambault in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 49550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
215 Medicare Part D claims for 44 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims. 18 claims were for opioids.
Most prescribed
- Eliquis22 claims
- Dexamethasone13 claims
- Hydroxyurea13 claims
- Exemestane12 claims
- Tagrisso11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 93.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,703.64
112 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Honorhealth AmbulatoryPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natalie M. Ertz-Archambault among 285 hematology & oncology physician records in Arizona
Natalie M. Ertz-Archambault, MD is one of 285 hematology & oncology physician records with a practice address in Arizona. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.
- NPI issued2012 · 72% of these records are older, 24% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2012 · median 2003 among the 229 with a school on file
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Arizona
There are 285 hematology & oncology physician records in Arizona.
All 285 in Arizona → Every provider in Phoenix → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mukundkumar Patel, MDPhoenix, AZ 850201164411724
- Anthony Wood, M.D.Phoenix, AZ 850201558710475
- Teresita Barnett, M.D.Phoenix, AZ 850231740392893
- Charles Andrew Chacko, MDPhoenix, AZ 850161518301019
- Carlo Guerrero, MDPhoenix, AZ 850161083979132
- Zoey Harris, MDPhoenix, AZ 850161821656851
- Michael Roberts, M.D.Phoenix, AZ 850161932159357
- Ram Chillar, M.D.Phoenix, AZ 850131881702645
Common questions
What is Natalie M. Ertz-Archambault, MD's NPI number?
Natalie M. Ertz-Archambault, MD's National Provider Identifier (NPI) is 1992060040, issued on Jul 5, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Natalie M. Ertz-Archambault, MD located?
The NPPES record lists a practice address at 9250 N 3RD St Ste 3010, Phoenix, AZ, 85020. Phone: (623) 238-7750. Providers update this record themselves, so call before visiting.
How can I verify Natalie M. Ertz-Archambault, MD's license?
NPPES lists Arizona license number 49550, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Natalie M. Ertz-Archambault, MD prescribe under Medicare Part D?
In 2024, Natalie M. Ertz-Archambault, MD had 215 Medicare Part D claims for 44 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Natalie M. Ertz-Archambault, MD's MIPS final score?
The 2023 MIPS final score is 93.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.