Nathan Berger, M.D.
Reproductive Endocrinology Physician · Baltimore, MD
Nathan Berger, M.D. is a reproductive endocrinology physician with a practice address in Baltimore, Maryland, and NPI 1639148851, issued on Mar 17, 2006. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Nathan Berger
- Credential
- M.D.
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- Practice location
- 200 E 33RD St Ste 486, Baltimore, MD 21218
- Phone
- (410) 554-2683
- Enumerated
- Mar 17, 2006
- Entity
- Type 1 · individual
Verify Nathan Berger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
20% more Medicare Part D claims than the average reproductive endocrinology physician in 2024
142 Medicare Part D claims for 48 beneficiaries, against an average of 118 among the 270 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Fluconazole20 claims
- Estradiol14 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 Medicare quality score for 2023: 75.9 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).
Industry payments in 2024: $98.98
6 payments, mostly food and beverage; the largest payer was Astellas Pharma US Inc. The 844 providers of this specialty with any payment received $1,322.91 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.
One hospital or facility affiliation
- Seton Medical Group IncCatonsville, MD
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Reproductive Endocrinology Physician providers in Maryland
There are 36 reproductive endocrinology physician records in Maryland.
Other reproductive endocrinology physician records in Maryland
- Selma Amrane, M.D.Towson, MD1508109372
- Emily BarnardBaltimore, MD1396181046
- Jason Bromer, M.D.Frederick, MD1619997491
- Billy Catherino, M.D., PH.D.Bethesda, MD1134261985
- Alicia Christy, M.D.Bethesda, MD1972665453
- Joseph Doyle, M.D.Rockville, MD1871650929
- Oluyemisi Famuyiwa, M.D.Rockville, MD1710090394
- Lisa Halvorson, MDRockville, MD1568412088
- Mae Healy, D.O,Annapolis, MD1053628941
- Pardis Hosseinzadeh, M.D.Baltimore, MD1669829487
Common questions
What is Nathan Berger, M.D.'s NPI number?
Nathan Berger, M.D.'s National Provider Identifier (NPI) is 1639148851, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Berger, M.D. located?
The NPPES record lists a practice address at 200 E 33RD St Ste 486, Baltimore, MD, 21218. Phone: (410) 554-2683. Providers update this record themselves, so call before visiting.
How can I verify Nathan Berger, M.D.'s license?
Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan Berger, M.D. prescribe under Medicare Part D?
In 2024, Nathan Berger, M.D. had 142 Medicare Part D claims for 48 beneficiaries; the average among reproductive endocrinology physician prescribers was 118. Part D covers Medicare prescriptions only.
What is Nathan Berger, M.D.'s Medicare quality score?
The 2023 MIPS final score is 75.9 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.