Doctor profile · Federal record

Dr. Glen Jacob, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Geriatric Medicine (Internal Medicine) Physician · Largo, MD

  • NPI 1780757062
  • Accepts Medicare
  • 37 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1221 Mercantile Lane
Largo, MD 207745374
(301) 618-5578
fax (301) 618-5673
Mailing address
2101 East Jefferson Street, Ppqa Medicare Compliance Unit 6 West Attn Theresa Brook
Rockville, MD 208524908

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
February 23, 2022
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
Maryland #D59633 · District of Columbia #MD034269 · New Mexico #9880

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780757062. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
159
Distinct HCPCS
5
Medicare allowed
$14,946
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 64 45 $134
G0008 Administration of influenza virus vaccine 27 27 $35
90480 Admn sarscov2 vacc 1 dose 24 24 $43
90662 Influenza vaccine split virus, preservative free 22 22 $72
91320 Sarscv2 vac 30mcg trs-suc im 22 22 $128

In context: peer comparison

Among 9 peers in Largo Internal Medicine Physician, average services per provider: 105. This provider delivers 1.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,225
Patients
1,817
Total drug cost
$70,108
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 970 338 $15,446
Amlodipine Besylate Generic 795 265 $9,303
Losartan Potassium Generic 511 160 $6,121
Lisinopril Generic 391 140 $4,769
Metformin Hcl Generic 347 115 $4,099
Gabapentin Generic 320 117 $5,164
Hydrochlorothiazide Generic 275 98 $2,956
Glipizide Generic 254 87 $2,930
Metoprolol Tartrate Generic 245 81 $2,566
Atenolol Generic 231 75 $2,812

Frequently asked questions

Auto-generated from federal data
What is Dr. Glen Jacob's medical specialty?
Dr. Glen Jacob practices Internal Medicine Physician in Largo, MD.
Where does Dr. Glen Jacob practice?
Dr. Glen Jacob practices at 1221 Mercantile Lane, Largo, MD 207745374. Office phone: 3016185578.
What is Dr. Glen Jacob's NPI?
Dr. Glen Jacob's National Provider Identifier (NPI) is 1780757062, issued by NPPES.
Does Dr. Glen Jacob accept Medicare assignment?
Yes. Dr. Glen Jacob accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Glen Jacob commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration of influenza virus vaccine (HCPCS G0008); Admn sarscov2 vacc 1 dose (HCPCS 90480). Source: CMS Medicare Physician & Other Practitioners file.