Heather Hollowell Davis, MD
Emergency Medicine Physician · Largo, MD
Heather Hollowell Davis, MD is an emergency medicine physician with a practice address in Largo, Maryland, and NPI 1477594059, issued on Jun 8, 2006. Check the license (Maryland D0061131, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Heather Hollowell Davis
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- D0061131 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Mercantile LN, Largo, MD 20774
- Phone
- (301) 938-3488
- Enumerated
- Jun 8, 2006
- Record last updated
- Jun 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 405521700 MD
- Medicare enrollment
- Enrolled (PECOS I20040923000341); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 1221 Mercantile LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl Abbott, RN,BSN,CM-CCase Management Registered Nurse1366743122
- Grace AdumanisaResearch Study Specialist1104663145
- Cielito Aguinaldo, MDInternal Medicine Physician1063585347
- Elma Alston, LCSW-CClinical Social Worker1629300488
- Bridget AnyiwoPharmacist1326228529
- Brian Armstrong, MDOphthalmology Physician1285781179
Verify Heather Hollowell Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0061131Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average emergency medicine physician in 2024
566 Medicare Part D claims for 436 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin Mono-Macro54 claims
- Paxlovid39 claims
- Prednisone39 claims
- Amoxicillin-Clavulanate Potass38 claims
- Ibuprofen34 claims
- Methylprednisolone31 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: $92.26
1 payment: food and beverage; the largest payer was Janssen Biotech, Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Hollowell Davis among 1,190 emergency medicine physician records in Maryland
Heather Hollowell Davis, MD is one of 1,190 emergency medicine physician records with a practice address in Maryland. 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 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2001 · median 2010 among the 571 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 emergency medicine physician records list a practice address in Largo
They are 9 of the 651 NPPES records with a practice address in Largo, and 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Largo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Karen Dixon, MDLargo, MD 207741932135761
- Shana Durant, M.D.Upper Marlboro, MD 207741689936239
- Abhinav Gupta, MDLargo, MD 207741407316904
- Bridget Ivery, MDUpper Marlboro, MD 207741639295876
- Melat Lemma, M.D.Upper Marlboro, MD 207741891955217
- Amber Marshall, MDUpper Marlboro, MD 207741992840714
- Karen Mason, MDUpper Marlboro, MD 207741598858086
- Michelle Mead, M.D.Upper Marlboro, MD 207741689650780
Common questions
What is Heather Hollowell Davis, MD's NPI number?
Heather Hollowell Davis, MD's National Provider Identifier (NPI) is 1477594059, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Heather Hollowell Davis, MD located?
The NPPES record lists a practice address at 1221 Mercantile LN, Largo, MD, 20774. Phone: (301) 938-3488. Providers update this record themselves, so call before visiting.
How can I verify Heather Hollowell Davis, MD's license?
NPPES lists Maryland license number D0061131, as entered by the provider. 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 Heather Hollowell Davis, MD prescribe under Medicare Part D?
In 2024, Heather Hollowell Davis, MD had 566 Medicare Part D claims for 436 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.