Fredrick Arthur Isaacs, M.D., P.C., F.A.C.S.
Specialist · Silver Spring, MD
Fredrick Arthur Isaacs, M.D., P.C., F.A.C.S. is a specialist with a practice address in Silver Spring, Maryland, and NPI 1588772594, issued on Aug 29, 2006. Check the license (Maryland D0054918, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Fredrick Arthur Isaacs
- Credential
- M.D., P.C., F.A.C.S.
- Primary taxonomy
- Specialist 174400000X
- License number
- D0054918 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3801 International Dr, Silver Spring, MD 20906
- Phone
- (301) 598-8500
- Enumerated
- Aug 29, 2006
- Record last updated
- Mar 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (301) 598-1787
- Medicaid ID
- 5974020 MD
- Medicare enrollment
- Enrolled (PECOS I20110531000040); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1976
- Entity
- Type 1 · individual
8 nearest specialist records → All 938 in Maryland → Look up another NPI →
Also registered at 3801 International Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Fredrick Arthur Isaacs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license D0054918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average specialist in 2024
1,399 Medicare Part D claims for 294 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Latanoprost338 claims
- Timolol Maleate167 claims
- Dorzolamide-Timolol149 claims
- Erythromycin102 claims
- Brimonidine Tartrate93 claims
- Doxycycline Monohydrate77 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 MIPS final score for 2023 (Medicare payment program): 98.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Fredrick Arthur Isaacs among 938 specialist records in Maryland
Fredrick Arthur Isaacs, M.D., P.C., F.A.C.S. is one of 938 specialist records with a practice address in Maryland. 36% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 39% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated1976 · median 1989 among the 220 with a school on file
- Record last updated2008 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Maryland
There are 938 specialist records in Maryland.
All 938 in Maryland → Every provider in Silver Spring → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Stephen Cunnion, M.D.Silver Spring, MD 209061689000978
- Katalin Korossy, M.D.Silver Spring, MD 209061700841392
- Teddy LubegaSilver Spring, MD 209061013238880
- Kathleen Rodriguez, P.T.Silver Spring, MD 209061548313661
- Margaret Wills, IBCLC, RLCSilver Spring, MD 209051619187374
- Valerie Asher, M.D.Silver Spring, MD 209041306876347
- David Bianchi, M.D.Silver Spring, MD 209041821022690
- Brian Driscoll, M.D.Silver Spring, MD 209041376573329
Common questions
What is Fredrick Arthur Isaacs, M.D., P.C., F.A.C.S.'s NPI number?
Fredrick Arthur Isaacs, M.D., P.C., F.A.C.S.'s National Provider Identifier (NPI) is 1588772594, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Fredrick Arthur Isaacs, M.D., P.C., F.A.C.S. located?
The NPPES record lists a practice address at 3801 International Dr, Silver Spring, MD, 20906. Phone: (301) 598-8500. Providers update this record themselves, so call before visiting.
How can I verify Fredrick Arthur Isaacs, M.D., P.C., F.A.C.S.'s license?
NPPES lists Maryland license number D0054918, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Fredrick Arthur Isaacs, M.D., P.C., F.A.C.S. prescribe under Medicare Part D?
In 2024, Fredrick Arthur Isaacs, M.D., P.C., F.A.C.S. had 1,399 Medicare Part D claims for 294 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Fredrick Arthur Isaacs, M.D., P.C., F.A.C.S.'s MIPS final score?
The 2023 MIPS final score is 98.4 of 100. 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.