Doctor profile · Federal record

Dr. Cynthia Shaffer, NP-C

Adult Medicine Physician (CMS: Nurse Practitioner) · Ooltewah, TN

  • NPI 1891798047
  • MIPS 94.7 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9309 Apison Pike
Ooltewah, TN 373634340
(423) 778-9701
fax (423) 778-9713
Mailing address
Po Box 891
Collegedale, TN 373150891

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
February 20, 2014
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207QA0505X — NUCC code
State license (1)
Tennessee #APN5567

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891798047. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,289
Distinct HCPCS
10
Medicare allowed
$150,374
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 714 346 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 669 405 $71
J1100 Injection, dexamethasone sodium phosphate, 1 mg 543 116 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 527 317 $101
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 510 304 $8
96372 Injection of drug or substance under skin or into muscle 280 167 $11
81003 Automated urinalysis test 217 125 $2
99442 Telephone medical discussion with physician, 11-20 minutes 180 132 $72
J1030 Injection, methylprednisolone acetate, 40 mg 124 103 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 107 107 $103

In context: peer comparison

Among 1 peers in this city , average services per provider: 178. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$616
Transactions
42
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 26 $298.27
ABBVIE INC. 3 $68.98
GlaxoSmithKline, LLC. 3 $55.07
PFIZER INC. 3 $49.97
Astellas Pharma US Inc 1 $29.23
Medtronic, Inc. 1 $22.38
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $20.90
Xeris Pharmaceuticals, Inc. 1 $20.21
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $17.86
AstraZeneca Pharmaceuticals LP 1 $16.96
Bayer Healthcare Pharmaceuticals Inc. 1 $15.95

By nature of payment

Food and Beverage
$616

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,118
Patients
1,422
Total drug cost
$33,757
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 341 115 $5,030
Doxycycline Hyclate Generic 314 239 $2,799
Azithromycin Generic 298 236 $1,978
Lisinopril Generic 234 73 $1,588
Losartan Potassium Generic 216 78 $4,247
Omeprazole Generic 216 73 $4,179
Atorvastatin Calcium Generic 205 62 $3,933
Amlodipine Besylate Generic 203 77 $1,248
Metformin Hcl Generic 195 59 $1,776
Gabapentin Generic 187 40 $2,030

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Shaffer's medical specialty?
Dr. Cynthia Shaffer practices Adult Medicine Physician in Ooltewah, TN.
Where does Dr. Cynthia Shaffer practice?
Dr. Cynthia Shaffer practices at 9309 Apison Pike, Ooltewah, TN 373634340. Office phone: 4237789701.
What is Dr. Cynthia Shaffer's NPI?
Dr. Cynthia Shaffer's National Provider Identifier (NPI) is 1891798047, issued by NPPES.
Does Dr. Cynthia Shaffer accept Medicare assignment?
Dr. Cynthia Shaffer does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Cynthia Shaffer commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.