David J. Lang, MD
Internal Medicine Physician · Tuba City, AZ
David J. Lang, MD is an internal medicine physician with a practice address in Tuba City, Arizona, and NPI 1932142189, issued on Jun 14, 2006. Check the license (Arizona 23604, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- David J. Lang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 23604 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 167 North Main Street, Tuba City, AZ 86045
- Phone
- (928) 283-2501
- Enumerated
- Jun 14, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (928) 283-2677
- Medicaid ID
- 425654 AZ
- Medicare enrollment
- Enrolled (PECOS I20051114000630); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 167 North Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monique Gia Abad, RNRegistered Nurse1114330883
- Dustin Abaonza, PHARM DPharmacist1063774057
- Kristin AbaonzaPharmacist1255643458
- Linda Abernathy, MDEmergency Medicine Physician1386687093
- Charles Adams, RNRegistered Nurse1821423021
- Abebe AdunaRegistered Nurse1417312794
Verify David J. Lang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 23604Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,650 Medicare Part D claims for 86 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Rosuvastatin Calcium179 claims
- Losartan Potassium114 claims
- Lisinopril111 claims
- Amlodipine Besylate86 claims
- Metformin Hcl Er66 claims
- Omeprazole54 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): 70.6 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).
One hospital affiliation
- Tuba City Regional Health Care CorporationTuba City, AZ · Acute Care Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
David J. Lang among 2,853 internal medicine physician records in Arizona
David J. Lang, MD is one of 2,853 internal 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1982 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 internal medicine physician records list a practice address in Tuba City
They are 13 of the 1,011 NPPES records with a practice address in Tuba City, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Tuba City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Teresa Caya, MDTuba City, AZ 860451104358076
- Frank Dalichow, MDTuba City, AZ 860451194769315
- Peter Kim, MDTuba City, AZ 860451770510984
- Srinija Konduru, M.D.Tuba City, AZ 860451548671191
- Gary Lake, MDTuba City, AZ 860451679518708
- Bernice Ly, MDTuba City, AZ 860451326082462
- Joseph Magee, MDTuba City, AZ 860451811931033
- Trung Pham, M.D.Tuba City, AZ 860451689743346
Common questions
What is David J. Lang, MD's NPI number?
David J. Lang, MD's National Provider Identifier (NPI) is 1932142189, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David J. Lang, MD located?
The NPPES record lists a practice address at 167 North Main Street, Tuba City, AZ, 86045. Phone: (928) 283-2501. Providers update this record themselves, so call before visiting.
How can I verify David J. Lang, MD's license?
NPPES lists Arizona license number 23604, 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 David J. Lang, MD prescribe under Medicare Part D?
In 2024, David J. Lang, MD had 1,650 Medicare Part D claims for 86 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is David J. Lang, MD's MIPS final score?
The 2023 MIPS final score is 70.6 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.