Katherine Laughon Grantz, M.D.
Maternal & Fetal Medicine Physician · Washington, DC
Katherine Laughon Grantz, M.D. is a maternal & fetal medicine physician with a practice address in Washington, District of Columbia, and NPI 1235123662, issued on Aug 31, 2005. Check the license (District of Columbia 038060, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Katherine Laughon Grantz
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- 038060 DC
Self-reported in NPPES; status is on the state search - Practice location
- 106 Irving St NW, Washington, DC 20010
- Phone
- (202) 877-6093
- Enumerated
- Aug 31, 2005
- Record last updated
- Apr 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 062043800 DC
- Medicare enrollment
- Enrolled (PECOS I20100113000714); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 22 in District of Columbia → Look up another NPI →
Also registered at 106 Irving St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sahla Abdullah, M.DPediatrics Physician1730225079
- Steven Abramowitz, M.D.Vascular Surgery Physician1821222001
- Joanne AdelbergGenetic Counselor (M.S.)1821748633
- Felton Anderson, M.D.Cardiovascular Disease Physician1588655914
- Eric Antwi-Donkor, MDNephrology Physician1629053848
- Evan Argintar, MDSports Medicine (Orthopaedic Surgery) Physician1417108457
Verify Katherine Laughon Grantz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license 038060Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 80.2 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).
Bills Medicare through one group practice
- Medstar Medical Group II LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Laughon Grantz among 22 maternal & fetal medicine physician records in District of Columbia
Katherine Laughon Grantz, M.D. is one of 22 maternal & fetal medicine physician records with a practice address in District of Columbia. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 77% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2000 · median 1996 among the 14 with a school on file
- Record last updated2015 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in District of Columbia
There are 22 maternal & fetal medicine physician records in District of Columbia.
All 22 in District of Columbia → Every provider in Washington → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Sara Iqbal, M.D., F.A.C.O.G.Washington, DC 200101205050457
- Oscar Mims, MDWashington, DC 200101326019589
- Neggin MokhtariWashington, DC 200101629497375
- Julia Timofeev, MDWashington, DC 200091780898973
- Jean BolanWashington, DC 200071265430318
- Helain LandyWashington, DC 200071588663744
- Rita Driggers, MDWashington, DC 200161376519082
- Sarah Poggi, MDWashington, DC 200161417945585
Common questions
What is Katherine Laughon Grantz, M.D.'s NPI number?
Katherine Laughon Grantz, M.D.'s National Provider Identifier (NPI) is 1235123662, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Laughon Grantz, M.D. located?
The NPPES record lists a practice address at 106 Irving St NW, Washington, DC, 20010. Phone: (202) 877-6093. Providers update this record themselves, so call before visiting.
How can I verify Katherine Laughon Grantz, M.D.'s license?
NPPES lists District of Columbia license number 038060, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Katherine Laughon Grantz, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.2 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), 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.