Lynn R. Mack, MD
Endocrinology, Diabetes & Metabolism Physician · Omaha, NE
Lynn R. Mack, MD is an endocrinology, diabetes & metabolism physician with a practice address in Omaha, Nebraska, and NPI 1326097213, issued on May 8, 2006. Check the license (Nebraska 18863, as entered in NPPES) on the Nebraska Board of Medicine and Surgery; the Medicare figures below come from public CMS files.
- Name
- Lynn R. Mack
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 18863 NE
Self-reported in NPPES; status is on the state search - Practice location
- 988102 Nebraska Medical Ctr, Omaha, NE 68198
- Phone
- (402) 559-8700
- Enumerated
- May 8, 2006
- Record last updated
- Jun 23, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (402) 559-5080
- Medicaid ID
- 47078557522 NE
- Medicare enrollment
- Enrolled (PECOS I20100111000730); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 44 in Nebraska → Look up another NPI →
Also registered at 988102 Nebraska Medical Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lynn R. Mack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNebraska Board of Medicine and Surgery
Search for license 18863Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,674 Medicare Part D claims for 236 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Levothyroxine Sodium247 claims
- Synthroid68 claims
- Rosuvastatin Calcium60 claims
- Alendronate Sodium59 claims
- Glimepiride52 claims
- Lantus Solostar52 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: $56.56
2 payments; by number, the most common kind was food and beverage; the largest payer was Ascensia Diabetes Care Us Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Unmc PhysiciansOmaha, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lynn R. Mack among 44 endocrinology, diabetes & metabolism physician records in Nebraska
Lynn R. Mack, MD is one of 44 endocrinology, diabetes & metabolism physician records with a practice address in Nebraska. 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 64% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1991 · median 2005 among the 32 with a school on file
- Record last updated2011 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Nebraska
There are 44 endocrinology, diabetes & metabolism physician records in Nebraska.
All 44 in Nebraska → Every provider in Omaha → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Padmaja Akkireddy, M.D.Omaha, NE 681981801113618
- Brian Boerner, M.D.Omaha, NE 681981184834392
- Cyrus Desouza, MDOmaha, NE 681981346298148
- Leslie Eiland, M.D.Omaha, NE 681981366678922
- Jennifer Gibert, M.D.Omaha, NE 681981699909259
- Laura Graeff-Armas, M.D.Omaha, NE 681981750470118
- Brianna Johnson-Rabbett, M.D.Omaha, NE 681981598151243
- Anupam Kotwal, M.B.B.S.Omaha, NE 681981093156069
Common questions
What is Lynn R. Mack, MD's NPI number?
Lynn R. Mack, MD's National Provider Identifier (NPI) is 1326097213, issued on May 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lynn R. Mack, MD located?
The NPPES record lists a practice address at 988102 Nebraska Medical Ctr, Omaha, NE, 68198. Phone: (402) 559-8700. Providers update this record themselves, so call before visiting.
How can I verify Lynn R. Mack, MD's license?
NPPES lists Nebraska license number 18863, as entered by the provider. Search the Nebraska Board of Medicine and Surgery at https://www.nebraska.gov/LISSearch/search.cgi. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lynn R. Mack, MD prescribe under Medicare Part D?
In 2024, Lynn R. Mack, MD had 1,674 Medicare Part D claims for 236 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.