NPPES file of Aug 9, 2026

Zachary Nayak

Internal Medicine Physician · Lutherville, MD

Zachary Nayak is an internal medicine physician with a practice address in Lutherville, Maryland, and NPI 1861782187, issued on Apr 8, 2011. Check the license (Maryland D7984, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861782187
Name
Zachary Nayak
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
D7984 MD
D0079487 MD
Self-reported in NPPES; status is on the state search
Practice location
2360 W Joppa RD Ste 210, Lutherville, MD 21093
Phone
(410) 583-2890
Enumerated
Apr 8, 2011
Record last updated
May 19, 2023
Medicaid ID
100558800 MD
Medicare enrollment
Enrolled (PECOS I20160222000462); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Zachary Nayak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D7984
    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
Open the Maryland license search

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68% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,009 Medicare Part D claims for 163 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Zachary Nayak1,009
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate69 claims
  2. Atorvastatin Calcium38 claims
  3. Escitalopram Oxalate35 claims
  4. Levothyroxine Sodium28 claims
  5. Losartan Potassium27 claims
  6. Rosuvastatin Calcium27 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.

Bills Medicare through one group practice

  1. Green Spring Internal Medicine LLCLutherville, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zachary Nayak among 3,904 internal medicine physician records in Maryland

Zachary Nayak is one of 3,904 internal 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 2011, is newer than 67% of them.

  • NPI issued2011 · 67% of these records are older, 31% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2015 · median 2003 among the 2,445 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

65 internal medicine physician records list a practice address in Lutherville

They are 65 of the 952 NPPES records with a practice address in Lutherville, and 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. John Aucott, M.D.Lutherville, MD 210931578564233
  2. Christine Bell Lafferman, M.D.Lutherville, MD 210931992771653
  3. Holly Dahlman, M.D.Lutherville, MD 210931962464552
  4. Norman Dy, MDLutherville Timonium, MD 210931215997275
  5. Melissa Fox, M.D.Lutherville, MD 210931700843273
  6. Tammy Hadley, M.D.Lutherville, MD 210931598766958
  7. Nicholas Mellis, M.D.Timonium, MD 210931588663108
  8. Susan Molinaro, M.D.Lutherville, MD 210931518968874

Common questions

What is Zachary Nayak's NPI number?

Zachary Nayak's National Provider Identifier (NPI) is 1861782187, issued on Apr 8, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Nayak located?

The NPPES record lists a practice address at 2360 W Joppa RD Ste 210, Lutherville, MD, 21093. Phone: (410) 583-2890. Providers update this record themselves, so call before visiting.

How can I verify Zachary Nayak's license?

NPPES lists Maryland license number D7984, 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 Zachary Nayak prescribe under Medicare Part D?

In 2024, Zachary Nayak had 1,009 Medicare Part D claims for 163 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.