NPPES file of Aug 9, 2026

Douglas C. Altenbern, MD

Urology Physician · Nashville, TN

Douglas C. Altenbern, MD is a urology physician with a practice address in Nashville, Tennessee, and NPI 1124005145, issued on Dec 30, 2005. Check the license (Tennessee MD21659, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124005145
Name
Douglas C. Altenbern
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License number
MD21659 TN
Self-reported in NPPES; status is on the state search
Practice location
395 Wallace RD, Nashville, TN 37211
Phone
(615) 331-8281
Enumerated
Dec 30, 2005
Record last updated
Jul 13, 2026
Fax
(615) 331-3043
Medicaid IDs
64799521 KY
3060807 TN
Medicare enrollment
Enrolled (PECOS I20100520000123); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 395 Wallace RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Enoch Hartman, PHARM.D.Pharmacist1346445103
  2. Melvin Law, MDOrthopaedic Surgery of the Spine Physician1922099340
  3. Phillip Porch, MDUrology Physician1609846393
  4. Jeff Whitfield, MDUrology Physician1780662221

Verify Douglas C. Altenbern in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license MD21659
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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60% fewer Medicare Part D claims than the average urology physician in 2024

531 Medicare Part D claims for 136 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Douglas Altenbern531
  2. Specialty average1,340

Most prescribed

  1. Oxybutynin Chloride Er106 claims
  2. Tamsulosin Hcl85 claims
  3. Sulfamethoxazole-Trimethoprim55 claims
  4. Doxycycline Hyclate35 claims
  5. Myrbetriq32 claims
  6. Testosterone Cypionate29 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: $206.31

9 payments; by number, the most common kind was food and beverage; the largest payer was Urogen Pharma, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Douglas Altenbern$206.31
  2. Specialty average$3,800.04

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

  1. Metropolitan Hospital AuthorityNashville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Douglas C. Altenbern among 289 urology physician records in Tennessee

Douglas C. Altenbern, MD is one of 289 urology physician records with a practice address in Tennessee. 80% 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, 78% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1986 · median 2003 among the 185 with a school on file
  • Record last updated2026 · 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 208800000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Tennessee

There are 289 urology physician records in Tennessee.

The 8 urology physician records with the nearest ZIP codes

  1. Phillip Porch, MDNashville, TN 372111609846393
  2. Scott Wendland, D.O.Nashville, TN 372111376538843
  3. Jeff Whitfield, MDNashville, TN 372111780662221
  4. Kenya Kimber, LPNNashville, TN 372121003551870
  5. David Bilhartz, MDNashville, TN 372091952380875
  6. Joshua Calvert, MD,MPHNashville, TN 372091629424585
  7. Adnan Dervishi, M.D.Nashville, TN 372091932528692
  8. David Duong, M.D., PH.D.Nashville, TN 372091356538904

Common questions

What is Douglas C. Altenbern, MD's NPI number?

Douglas C. Altenbern, MD's National Provider Identifier (NPI) is 1124005145, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Douglas C. Altenbern, MD located?

The NPPES record lists a practice address at 395 Wallace RD, Nashville, TN, 37211. Phone: (615) 331-8281. Providers update this record themselves, so call before visiting.

How can I verify Douglas C. Altenbern, MD's license?

NPPES lists Tennessee license number MD21659, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Douglas C. Altenbern, MD prescribe under Medicare Part D?

In 2024, Douglas C. Altenbern, MD had 531 Medicare Part D claims for 136 beneficiaries; the average among urology physician prescribers was 1,340. 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.