Mark Ralph Lonquist, MD
Family Medicine Physician · Goodyear, AZ
Mark Ralph Lonquist, MD is a family medicine physician with a practice address in Goodyear, Arizona, and NPI 1629064613, issued on Sep 23, 2005. Check the license (Arizona 22778, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Ralph Lonquist
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 22778 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 13555 W Mcdowell RD, Goodyear, AZ 85395
- Phone
- (623) 925-1157
- Enumerated
- Sep 23, 2005
- Record last updated
- Apr 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (623) 932-1045
- Medicare enrollment
- Enrolled (PECOS I20060321000324); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 13555 W Mcdowell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paige Daniels, PA-CPhysician Assistant1811133960
- Beth Dean, PA-CMedical Physician Assistant1285802363
Verify Mark Ralph Lonquist in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 22778Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average family medicine physician in 2024
14,009 Medicare Part D claims for 979 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 724 claims were for opioids.
Most prescribed
- Levothyroxine Sodium819 claims
- Atorvastatin Calcium803 claims
- Lisinopril502 claims
- Amlodipine Besylate458 claims
- Pantoprazole Sodium360 claims
- Gabapentin352 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.
Industry payments in 2024: $1,320.25
68 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Privia Medical Group Arizona, LLCGoodyear, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Ralph Lonquist among 3,119 family medicine physician records in Arizona
Mark Ralph Lonquist, MD is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1992 · median 2006 among the 1,775 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 family medicine physician records list a practice address in Goodyear
They are 27 of the 1,619 NPPES records with a practice address in Goodyear, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Goodyear → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Melia Cox, DOGoodyear, AZ 853951093789661
- Steven Cox, DOGoodyear, AZ 853951255305835
- Robyn Fossey, MDGoodyear, AZ 853951053831172
- Hui GaoGoodyear, AZ 853951093158933
- Bonte Gbemudu, M.D.Goodyear, AZ 853951104137256
- David Jensen, D.O.Goodyear, AZ 853951174855159
- Daniel Macleod, DOGoodyear, AZ 853951427022953
- Tushar Menon, MDGoodyear, AZ 853951689293862
Common questions
What is Mark Ralph Lonquist, MD's NPI number?
Mark Ralph Lonquist, MD's National Provider Identifier (NPI) is 1629064613, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Ralph Lonquist, MD located?
The NPPES record lists a practice address at 13555 W Mcdowell RD, Goodyear, AZ, 85395. Phone: (623) 925-1157. Providers update this record themselves, so call before visiting.
How can I verify Mark Ralph Lonquist, MD's license?
NPPES lists Arizona license number 22778, 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 Mark Ralph Lonquist, MD prescribe under Medicare Part D?
In 2024, Mark Ralph Lonquist, MD had 14,009 Medicare Part D claims for 979 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.