Registry data as of Aug 27, 2026

Katherine Jantac, GNP-BC

Gerontology Nurse Practitioner · Columbia, MD

Katherine Jantac, GNP-BC is a gerontology nurse practitioner with a practice address in Columbia, Maryland, and NPI 1770635187, issued on Jan 17, 2007. Check the license (Maryland R121680, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1770635187
Name
Katherine Jantac
Credential
GNP-BC
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
R121680 MD
Self-reported in NPPES; status is on the state search
Practice location
6334 Cedar LN, Columbia, MD 21044
Phone
(410) 531-2355
Enumerated
Jan 17, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6334 Cedar LN

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

  1. Lytton BaguioPhysical Therapist1780846642
  2. Lauren Cano, CRNPFamily Nurse Practitioner1912395310
  3. Allison Carew, MS, CRNPAdult Health Nurse Practitioner1811317555
  4. Mohina Chhabra, M.D.Family Medicine Physician1427261171
  5. Iasia HenrySpeech-Language Pathologist1881385698
  6. Alyson Holt, LPTAPhysical Therapy Assistant1457131997

Verify Katherine Jantac in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R121680
    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
Find the Maryland 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.

54% more Medicare Part D claims than the average gerontology nurse practitioner in 2024

2,080 Medicare Part D claims for 186 beneficiaries, against an average of 1,350 among the 5,732 providers of this specialty who prescribed in Part D. 222 claims were for opioids.

  1. Katherine Jantac2,080
  2. Specialty average1,350

Most prescribed

  1. Tramadol Hcl143 claims
  2. Levothyroxine Sodium113 claims
  3. Gabapentin68 claims
  4. Atorvastatin Calcium67 claims
  5. Metoprolol Succinate65 claims
  6. Eliquis63 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: 92 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.

  1. Qualityout of 100 · 30% of the final score97.1
  2. Costout of 100 · 30%67.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Personal Physician Care, LLCColumbia, 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.

Gerontology Nurse Practitioner providers in Maryland

There are 230 gerontology nurse practitioner records in Maryland.

Other gerontology nurse practitioner records in Maryland

  1. Aderonke AbatanCrofton, MD1174197040
  2. Emily AckissEaston, MD1821507849
  3. Laraba AdejoWindsor Mill, MD1225762990
  4. Eric Anapolsky, CRNPElkridge, MD1790832301
  5. Suzette Anderson, CRNPPrince Frederick, MD1386258929
  6. Susan Anthony, CRNP, MSBaltimore, MD1346271657
  7. Iris Arana Alonzo, APRNSilver Spring, MD1619630969
  8. Samson Arigbamu, CRNPOwings Mills, MD1033620398
  9. Janet Ascione, NP-CAnnapolis, MD1811427099
  10. Brittney Barnes-Blount, CRNPFrederick, MD1366028813

Common questions

What is Katherine Jantac, GNP-BC's NPI number?

Katherine Jantac, GNP-BC's National Provider Identifier (NPI) is 1770635187, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Jantac, GNP-BC located?

The NPPES record lists a practice address at 6334 Cedar LN, Columbia, MD, 21044. Phone: (410) 531-2355. Providers update this record themselves, so call before visiting.

How can I verify Katherine Jantac, GNP-BC's license?

NPPES lists Maryland license number R121680, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Jantac, GNP-BC prescribe under Medicare Part D?

In 2024, Katherine Jantac, GNP-BC had 2,080 Medicare Part D claims for 186 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,350. Part D covers Medicare prescriptions only.

What is Katherine Jantac, GNP-BC's Medicare quality score?

The 2023 MIPS final score is 92 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.