Gregory J. Hattan, MD
Obstetrics & Gynecology Physician · Lincoln, NE
Gregory J. Hattan, MD is an obstetrics & gynecology physician with a practice address in Lincoln, Nebraska, and NPI 1396854204, issued on Aug 30, 2006. Check the license (Nebraska 18886, as entered in NPPES) on the Nebraska Board of Medicine and Surgery; the Medicare figures below come from public CMS files.
- Name
- Gregory J. Hattan
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 18886 NE
Self-reported in NPPES; status is on the state search - Practice location
- 1600 S 48TH St, Lincoln, NE 68506
- Phone
- (402) 475-8877
- Enumerated
- Aug 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (402) 475-8941
- Medicaid ID
- 470352176-13 NE
- Medicare enrollment
- Enrolled (PECOS I20100916001145); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 284 in Nebraska → Look up another NPI →
Also registered at 1600 S 48TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- April Allen, APRNFamily Nurse Practitioner1083702864
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- Christopher Balwanz, MDCardiovascular Disease Physician1164666095
- Nicole Behring, APRNCritical Care Neonatal Nurse Practitioner1780042218
- Jenna Beideck, APRNNurse Practitioner1366899684
- Morgan Braden, ARNPFamily Nurse Practitioner1558833277
Verify Gregory J. Hattan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNebraska Board of Medicine and Surgery
Search for license 18886Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
43 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol22 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 MIPS final score for 2023 (Medicare payment program): 92.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $500.71
22 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Bryan Physician NetworkLincoln, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory J. Hattan among 284 obstetrics & gynecology physician records in Nebraska
Gregory J. Hattan, MD is one of 284 obstetrics & gynecology physician records with a practice address in Nebraska. 77% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 61% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1991 · median 2007 among the 180 with a school on file
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Nebraska
There are 284 obstetrics & gynecology physician records in Nebraska.
All 284 in Nebraska → Every provider in Lincoln → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Robert Byington, MD OBGYNLincoln, NE 685061225190226
- Darla Eisenhauer, MDLincoln, NE 685061669420774
- Katie Fossen, M.D.Lincoln, NE 685061376741264
- Corwin Friesen, MDLincoln, NE 685061558470799
- Gary Milius, MDLincoln, NE 685061740393610
- Alyssa Rutan, M.D.Lincoln, NE 685061790948446
- Anthony Brignoni, MDLincoln, NE 685101598756918
- Douglas Deboise, MDLincoln, NE 685101851408637
Common questions
What is Gregory J. Hattan, MD's NPI number?
Gregory J. Hattan, MD's National Provider Identifier (NPI) is 1396854204, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory J. Hattan, MD located?
The NPPES record lists a practice address at 1600 S 48TH St, Lincoln, NE, 68506. Phone: (402) 475-8877. Providers update this record themselves, so call before visiting.
How can I verify Gregory J. Hattan, MD's license?
NPPES lists Nebraska license number 18886, 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 Gregory J. Hattan, MD prescribe under Medicare Part D?
In 2024, Gregory J. Hattan, MD had 43 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Gregory J. Hattan, MD's MIPS final score?
The 2023 MIPS final score is 92.4 of 100. 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.