Doctor profile · Federal record

Dr. Mary Grace Tanguilan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Abingdon, MD

  • NPI 1164853560
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3401 Box Hill Corporate Center Dr Ste 100
Abingdon, MD 210091251
(410) 671-0017
fax (410) 671-7072

Credentials & registration

NPPES · NUCC
NPI registered
December 2013 — 13 yrs on file
Profile last updated
January 22, 2015
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D00077329

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164853560. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,946
Distinct HCPCS
10
Medicare allowed
$287,179
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,609 583 $105
80053 Blood test, comprehensive group of blood chemicals 630 400 $11
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 623 408 $8
80061 Blood test, lipids (cholesterol and triglycerides) 526 366 $13
84443 Blood test, thyroid stimulating hormone (tsh) 445 352 $16
83036 Hemoglobin a1c level 352 209 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 299 299 $135
84439 Thyroxine (thyroid chemical), free 289 229 $9
36415 Insertion of needle into vein for collection of blood sample 176 164 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 128 103 $77

In context: peer comparison

Among 2 peers in this city , average services per provider: 236. This provider delivers 25× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,466
Transactions
69
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 20 $263.70
AstraZeneca Pharmaceuticals LP 6 $232.16
GlaxoSmithKline, LLC. 8 $193.22
Astellas Pharma US Inc 4 $142.01
PFIZER INC. 6 $137.04
Abbott Laboratories 4 $85.99
Lilly USA, LLC 5 $83.42
Exact Sciences Corporation 3 $83.33
ABBVIE INC. 4 $58.55
Amgen Inc. 3 $57.91
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $41.51
Merck Sharp & Dohme LLC 1 $26.53
Sumitomo Pharma America, Inc. 1 $24.87
Phathom Pharmaceuticals, Inc. 1 $18.95
E.R. Squibb & Sons, L.L.C. 1 $16.42

By nature of payment

Food and Beverage
$1,386
Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,416
Patients
1,175
Total drug cost
$57,971
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 664 213 $10,388
Amlodipine Besylate Generic 360 117 $3,287
Lisinopril Generic 294 98 $2,998
Levothyroxine Sodium Generic 279 94 $4,395
Losartan Potassium Generic 254 79 $3,545
Rosuvastatin Calcium Generic 190 62 $6,170
Pantoprazole Sodium Generic 184 72 $3,758
Metoprolol Succinate Generic 180 64 $4,379
Trazodone Hcl Generic 170 71 $2,400
Hydrochlorothiazide Generic 162 61 $1,110

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Grace Tanguilan's medical specialty?
Dr. Mary Grace Tanguilan practices Internal Medicine Physician in Abingdon, MD.
Where does Dr. Mary Grace Tanguilan practice?
Dr. Mary Grace Tanguilan practices at 3401 Box Hill Corporate Center Dr Ste 100, Abingdon, MD 210091251. Office phone: 4106710017.
What is Dr. Mary Grace Tanguilan's NPI?
Dr. Mary Grace Tanguilan's National Provider Identifier (NPI) is 1164853560, issued by NPPES.
Does Dr. Mary Grace Tanguilan accept Medicare assignment?
Yes. Dr. Mary Grace Tanguilan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Grace Tanguilan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood test, comprehensive group of blood chemicals (HCPCS 80053); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.